├── .gitignore ├── CameraFramework ├── Info.plist └── Sources │ ├── AVCaptureDeviceBuilder.swift │ ├── AVCaptureVideoDataOutputBuilder.swift │ ├── CameraFramework.h │ ├── VideoAccess.swift │ ├── VideoDataCaptureBuilder.swift │ └── VideoImageCapture.swift ├── CameraFrameworkTests ├── CameraFrameworkTests.swift └── Info.plist ├── Cartfile.resolved ├── ImageProcessingSample.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ └── IDEWorkspaceChecks.plist └── xcshareddata │ └── xcschemes │ └── ImageProcessingSample.xcscheme ├── ImageProcessingSample ├── Assets.xcassets │ ├── AppIcon.appiconset │ │ └── Contents.json │ └── Contents.json ├── Info.plist ├── Sources │ ├── AppDelegate.swift │ ├── CIImageDrawable.swift │ ├── GLVideoPreview.swift │ ├── MetalVideoPreview.swift │ ├── Presenter.swift │ ├── Utilities │ │ ├── CIImage+Resize.swift │ │ └── UIImage+Resize.swift │ └── ViewController.swift └── Storyboards │ └── Base.lproj │ ├── LaunchScreen.storyboard │ └── Main.storyboard ├── ImageProcessingSampleTests ├── ImageProcessingSampleTests.swift └── Info.plist ├── ImageProcessingSampleUITests ├── ImageProcessingSampleUITests.swift └── Info.plist ├── LICENSE ├── OpneCVImageProcessingFramework ├── Info.plist └── Sources │ ├── Driver │ ├── CircleDetectionResult.h │ ├── CircleDetectionResult.m │ ├── OpenCVDriver.h │ └── OpenCVDriver.mm │ ├── OpenCVImageProcessor.swift │ └── OpneCVImageProcessingFramework.h ├── OpneCVImageProcessingFrameworkTests ├── Info.plist └── OpneCVImageProcessingFrameworkTests.swift ├── README.md ├── Scripts └── Bootstrap.sh └── cartfile /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 4 | 5 | ## Build generated 6 | build/ 7 | DerivedData/ 8 | 9 | ## Various settings 10 | *.pbxuser 11 | !default.pbxuser 12 | *.mode1v3 13 | !default.mode1v3 14 | *.mode2v3 15 | !default.mode2v3 16 | *.perspectivev3 17 | !default.perspectivev3 18 | xcuserdata/ 19 | 20 | ## Other 21 | *.moved-aside 22 | *.xccheckout 23 | *.xcscmblueprint 24 | 25 | ## Obj-C/Swift specific 26 | *.hmap 27 | *.ipa 28 | *.dSYM.zip 29 | *.dSYM 30 | 31 | ## Playgrounds 32 | timeline.xctimeline 33 | playground.xcworkspace 34 | 35 | # Swift Package Manager 36 | # 37 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies. 38 | # Packages/ 39 | # Package.pins 40 | # Package.resolved 41 | .build/ 42 | 43 | # CocoaPods 44 | # 45 | # We recommend against adding the Pods directory to your .gitignore. However 46 | # you should judge for yourself, the pros and cons are mentioned at: 47 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 48 | # 49 | 50 | Pods/ 51 | 52 | # Carthage 53 | # 54 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 55 | 56 | Carthage/Checkouts 57 | Carthage/Build 58 | 59 | # fastlane 60 | # 61 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 62 | # screenshots whenever they are needed. 63 | # For more information about the recommended setup visit: 64 | # https://docs.fastlane.tools/best-practices/source-control/#source-control 65 | 66 | fastlane/report.xml 67 | fastlane/Preview.html 68 | fastlane/screenshots/**/*.png 69 | fastlane/test_output 70 | 71 | ## OpenCV 72 | 73 | OpenCV/ 74 | -------------------------------------------------------------------------------- /CameraFramework/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | $(CURRENT_PROJECT_VERSION) 21 | 22 | 23 | -------------------------------------------------------------------------------- /CameraFramework/Sources/AVCaptureDeviceBuilder.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AVCaptureDeviceBuilder.swift 3 | // CameraFramework 4 | // 5 | // Created by kotetu on 2019/08/10. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import AVFoundation 10 | 11 | public protocol AVCaptureDeviceBuilder { 12 | func build() -> AVCaptureDevice? 13 | } 14 | 15 | public final class DefaultBackVideoDeviceBuilder: AVCaptureDeviceBuilder { 16 | public init() {} 17 | 18 | public func build() -> AVCaptureDevice? { 19 | return AVCaptureDevice.default(.builtInDualCamera, for: .video, position: .back) 20 | } 21 | } 22 | 23 | public final class BackTrueDepthVideoDeviceBuilder: AVCaptureDeviceBuilder { 24 | public init() {} 25 | 26 | public func build() -> AVCaptureDevice? { 27 | return AVCaptureDevice.default(.builtInTrueDepthCamera, for: .video, position: .back) 28 | } 29 | } 30 | 31 | public final class BestBackVideoDeviceBuilder: AVCaptureDeviceBuilder { 32 | public init() {} 33 | 34 | public func build() -> AVCaptureDevice? { 35 | let deviceTypes: [AVCaptureDevice.DeviceType] = [.builtInTrueDepthCamera, .builtInDualCamera, .builtInWideAngleCamera] 36 | let discoverySession = AVCaptureDevice.DiscoverySession(deviceTypes: deviceTypes, 37 | mediaType: .video, 38 | position: .back) 39 | return discoverySession.devices.first 40 | } 41 | } 42 | 43 | public final class BestFrontVideoDeviceBuilder: AVCaptureDeviceBuilder { 44 | public init() {} 45 | 46 | public func build() -> AVCaptureDevice? { 47 | let deviceTypes: [AVCaptureDevice.DeviceType] = [.builtInWideAngleCamera] 48 | let discoverySession = AVCaptureDevice.DiscoverySession(deviceTypes: deviceTypes, 49 | mediaType: .video, 50 | position: .front) 51 | return discoverySession.devices.first 52 | } 53 | } 54 | -------------------------------------------------------------------------------- /CameraFramework/Sources/AVCaptureVideoDataOutputBuilder.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AVCaptureVideoDataOutputBuilder.swift 3 | // CameraFramework 4 | // 5 | // Created by kotetu on 2019/08/10. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import AVFoundation 10 | 11 | public protocol AVCaptureVideoDataOutputBuilder { 12 | func build() -> AVCaptureVideoDataOutput 13 | } 14 | 15 | public final class DefaultBGRAVideoDataOutputBuilder: AVCaptureVideoDataOutputBuilder { 16 | public init() {} 17 | 18 | public func build() -> AVCaptureVideoDataOutput { 19 | let videoDataOutput = AVCaptureVideoDataOutput() 20 | // UIImageへの変換を想定しBGRAで取るようにする 21 | videoDataOutput.videoSettings = [kCVPixelBufferPixelFormatTypeKey as String: kCVPixelFormatType_32BGRA] 22 | // キューをブロック中にキャプチャしたフレームは破棄 23 | videoDataOutput.alwaysDiscardsLateVideoFrames = true 24 | return videoDataOutput 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /CameraFramework/Sources/CameraFramework.h: -------------------------------------------------------------------------------- 1 | // 2 | // CameraFramework.h 3 | // CameraFramework 4 | // 5 | // Created by kotetu on 2019/07/30. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | //! Project version number for CameraFramework. 12 | FOUNDATION_EXPORT double CameraFrameworkVersionNumber; 13 | 14 | //! Project version string for CameraFramework. 15 | FOUNDATION_EXPORT const unsigned char CameraFrameworkVersionString[]; 16 | 17 | // In this header, you should import all the public headers of your framework using statements like #import 18 | 19 | 20 | -------------------------------------------------------------------------------- /CameraFramework/Sources/VideoAccess.swift: -------------------------------------------------------------------------------- 1 | // 2 | // VideoAccess.swift 3 | // CameraFramework 4 | // 5 | // Created by kotetu on 2019/08/07. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import AVFoundation 10 | import RxSwift 11 | 12 | public final class VideoAccess { 13 | public enum VideoAccessError: Error { 14 | case denied 15 | case general 16 | } 17 | 18 | public init() {} 19 | 20 | public func requestVideoAccess() -> Completable { 21 | return Completable.create { completable in 22 | let status = AVCaptureDevice.authorizationStatus(for: .video) 23 | switch status { 24 | case .authorized: 25 | completable(.completed) 26 | case .notDetermined: 27 | AVCaptureDevice.requestAccess(for: .video, completionHandler: { (authorized) in 28 | if authorized { 29 | completable(.completed) 30 | } else { 31 | completable(.error(VideoAccessError.denied)) 32 | } 33 | }) 34 | case .denied, .restricted: 35 | completable(.error(VideoAccessError.denied)) 36 | @unknown default: 37 | completable(.error(VideoAccessError.general)) 38 | } 39 | return Disposables.create {} 40 | } 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /CameraFramework/Sources/VideoDataCaptureBuilder.swift: -------------------------------------------------------------------------------- 1 | // 2 | // VideoDataCaptureBuilder.swift 3 | // CameraFramework 4 | // 5 | // Created by kotetu on 2019/08/10. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import AVFoundation 10 | 11 | public protocol VideoDataCaptureBuilder { 12 | func build() -> VideoImageCapture? 13 | } 14 | 15 | public final class BasicVideoDataCaptureBuilder: VideoDataCaptureBuilder { 16 | private let deviceBuilder: AVCaptureDeviceBuilder 17 | private let videoDataOutputBuilder: AVCaptureVideoDataOutputBuilder 18 | 19 | public init(deviceBuilder: AVCaptureDeviceBuilder = BestBackVideoDeviceBuilder(), 20 | videoDataOutputBuilder: AVCaptureVideoDataOutputBuilder = DefaultBGRAVideoDataOutputBuilder()) { 21 | self.deviceBuilder = deviceBuilder 22 | self.videoDataOutputBuilder = videoDataOutputBuilder 23 | } 24 | 25 | public func build() -> VideoImageCapture? { 26 | let captureSession = AVCaptureSession() 27 | 28 | // 29 | // AVCaptureDevice 30 | // 31 | guard let device = deviceBuilder.build() else { 32 | return nil 33 | } 34 | 35 | do { 36 | try device.lockForConfiguration() 37 | } catch { 38 | return nil 39 | } 40 | 41 | // 撮影対象までの距離が近い場合はautoFocusRangeRestrictionの設定を行うことで最適化できる場合がある 42 | if device.isAutoFocusRangeRestrictionSupported { 43 | device.autoFocusRangeRestriction = .near 44 | } 45 | 46 | device.unlockForConfiguration() 47 | 48 | // 49 | // AVCaptureDeviceInput 50 | // 51 | guard 52 | let deviceInput = try? AVCaptureDeviceInput(device: device), 53 | captureSession.canAddInput(deviceInput) else { 54 | return nil 55 | } 56 | 57 | captureSession.addInput(deviceInput) 58 | 59 | // 60 | // AVCaptureVideoDataOutput 61 | // 62 | let videoDataOutput = videoDataOutputBuilder.build() 63 | guard captureSession.canAddOutput(videoDataOutput) else { return nil } 64 | captureSession.addOutput(videoDataOutput) 65 | 66 | // 67 | // AVCaptureConnection 68 | // 69 | if let connection = videoDataOutput.connection(with: .video) { 70 | // フロントカメラの場合に左右反転させる 71 | switch device.position { 72 | case .front: 73 | connection.isVideoMirrored = true 74 | case .back: 75 | connection.videoOrientation = .portrait 76 | case .unspecified: 77 | break 78 | @unknown default: 79 | break 80 | } 81 | 82 | // 手ブレ補正 (設定するとGLKView, MTKViewを使ったCIImageの表示が遅くなる) 83 | if connection.isVideoStabilizationSupported { 84 | connection.preferredVideoStabilizationMode = .auto 85 | } 86 | } 87 | 88 | // 89 | // AVCaptureSession 90 | // 91 | captureSession.beginConfiguration() 92 | 93 | // ビデオ解像度(できる限り高解像度を設定する) 94 | if captureSession.canSetSessionPreset(.hd4K3840x2160) { 95 | captureSession.sessionPreset = .hd4K3840x2160 96 | } else if captureSession.canSetSessionPreset(.hd1920x1080) { 97 | captureSession.sessionPreset = .hd1920x1080 98 | } else { 99 | captureSession.sessionPreset = .high 100 | } 101 | 102 | captureSession.commitConfiguration() 103 | 104 | let videoDataCapture = VideoImageCapture(captureSession: captureSession, 105 | videoDataOutput: videoDataOutput) 106 | 107 | return videoDataCapture 108 | } 109 | } 110 | -------------------------------------------------------------------------------- /CameraFramework/Sources/VideoImageCapture.swift: -------------------------------------------------------------------------------- 1 | // 2 | // VideoImageCapture.swift 3 | // CameraFramework 4 | // 5 | // Created by kotetu on 2019/08/06. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import AVFoundation 10 | 11 | public protocol VideoImageCaptureDelegate: AnyObject { 12 | func didOutput(ciImage: CIImage) 13 | } 14 | 15 | public final class VideoImageCapture: NSObject { 16 | private let captureSession: AVCaptureSession 17 | private let videoDataOutput: AVCaptureVideoDataOutput 18 | private let bufferQueue = DispatchQueue(label: "co.kotetu.buffer.queue") 19 | 20 | private weak var videoImageCaptureDelegate: VideoImageCaptureDelegate? 21 | 22 | init(captureSession: AVCaptureSession, 23 | videoDataOutput: AVCaptureVideoDataOutput) { 24 | self.captureSession = captureSession 25 | self.videoDataOutput = videoDataOutput 26 | super.init() 27 | 28 | self.videoDataOutput.setSampleBufferDelegate(self, queue: bufferQueue) 29 | } 30 | 31 | public func setPreviewLayer(_ layer: CALayer) { 32 | let videoPreviewLayer = AVCaptureVideoPreviewLayer(session: captureSession) 33 | // アスペクト比に合わせて左右を切り取る(上下は切り取らない) 34 | videoPreviewLayer.videoGravity = .resizeAspectFill 35 | videoPreviewLayer.frame = layer.bounds 36 | layer.insertSublayer(videoPreviewLayer, at: 0) 37 | } 38 | 39 | public func setVideoImageCaptureDelegate(_ delegate: VideoImageCaptureDelegate) { 40 | videoImageCaptureDelegate = delegate 41 | } 42 | 43 | public func start() { 44 | guard !captureSession.isRunning else { return } 45 | captureSession.startRunning() 46 | } 47 | 48 | public func stop() { 49 | guard captureSession.isRunning else { return } 50 | captureSession.stopRunning() 51 | } 52 | } 53 | 54 | extension VideoImageCapture: AVCaptureVideoDataOutputSampleBufferDelegate { 55 | public func captureOutput(_ output: AVCaptureOutput, didOutput sampleBuffer: CMSampleBuffer, from connection: AVCaptureConnection) { 56 | guard let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) else { return } 57 | let ciImage = CIImage(cvImageBuffer: imageBuffer) 58 | videoImageCaptureDelegate?.didOutput(ciImage: ciImage) 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /CameraFrameworkTests/CameraFrameworkTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CameraFrameworkTests.swift 3 | // CameraFrameworkTests 4 | // 5 | // Created by kotetu on 2019/07/30. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import CameraFramework 11 | 12 | class CameraFrameworkTests: XCTestCase { 13 | 14 | override func setUp() { 15 | // Put setup code here. This method is called before the invocation of each test method in the class. 16 | } 17 | 18 | override func tearDown() { 19 | // Put teardown code here. This method is called after the invocation of each test method in the class. 20 | } 21 | 22 | func testExample() { 23 | // This is an example of a functional test case. 24 | // Use XCTAssert and related functions to verify your tests produce the correct results. 25 | } 26 | 27 | func testPerformanceExample() { 28 | // This is an example of a performance test case. 29 | self.measure { 30 | // Put the code you want to measure the time of here. 31 | } 32 | } 33 | 34 | } 35 | -------------------------------------------------------------------------------- /CameraFrameworkTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 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-------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 43 | 49 | 50 | 51 | 53 | 59 | 60 | 61 | 63 | 69 | 70 | 71 | 72 | 73 | 79 | 80 | 81 | 82 | 83 | 84 | 94 | 96 | 102 | 103 | 104 | 105 | 106 | 107 | 113 | 115 | 121 | 122 | 123 | 124 | 126 | 127 | 130 | 131 | 132 | -------------------------------------------------------------------------------- /ImageProcessingSample/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "20x20", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "20x20", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "29x29", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "29x29", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "40x40", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "40x40", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "size" : "60x60", 36 | "scale" : "2x" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "size" : "60x60", 41 | "scale" : "3x" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "size" : "20x20", 46 | "scale" : "1x" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "size" : "20x20", 51 | "scale" : "2x" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "size" : "29x29", 56 | "scale" : "1x" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "size" : "29x29", 61 | "scale" : "2x" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "size" : "40x40", 66 | "scale" : "1x" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "size" : "40x40", 71 | "scale" : "2x" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "size" : "76x76", 76 | "scale" : "1x" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "size" : "76x76", 81 | "scale" : "2x" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "size" : "83.5x83.5", 86 | "scale" : "2x" 87 | }, 88 | { 89 | "idiom" : "ios-marketing", 90 | "size" : "1024x1024", 91 | "scale" : "1x" 92 | } 93 | ], 94 | "info" : { 95 | "version" : 1, 96 | "author" : "xcode" 97 | } 98 | } -------------------------------------------------------------------------------- /ImageProcessingSample/Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "version" : 1, 4 | "author" : "xcode" 5 | } 6 | } -------------------------------------------------------------------------------- /ImageProcessingSample/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleDisplayName 8 | ImgProcess 9 | CFBundleExecutable 10 | $(EXECUTABLE_NAME) 11 | CFBundleIdentifier 12 | $(PRODUCT_BUNDLE_IDENTIFIER) 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | $(PRODUCT_NAME) 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | 1.0 21 | CFBundleVersion 22 | 1 23 | LSRequiresIPhoneOS 24 | 25 | NSCameraUsageDescription 26 | カメラ画像を使ったリアルタイム画像処理デモのために使用します。 27 | UILaunchStoryboardName 28 | LaunchScreen 29 | UIMainStoryboardFile 30 | Main 31 | UIRequiredDeviceCapabilities 32 | 33 | armv7 34 | 35 | UISupportedInterfaceOrientations 36 | 37 | UIInterfaceOrientationPortrait 38 | 39 | UISupportedInterfaceOrientations~ipad 40 | 41 | UIInterfaceOrientationPortrait 42 | UIInterfaceOrientationPortraitUpsideDown 43 | UIInterfaceOrientationLandscapeLeft 44 | UIInterfaceOrientationLandscapeRight 45 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /ImageProcessingSample/Sources/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.swift 3 | // ImageProcessingSample 4 | // 5 | // Created by kotetu on 2019/07/30. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @UIApplicationMain 12 | class AppDelegate: UIResponder, UIApplicationDelegate { 13 | 14 | var window: UIWindow? 15 | 16 | 17 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { 18 | // Override point for customization after application launch. 19 | return true 20 | } 21 | 22 | func applicationWillResignActive(_ application: UIApplication) { 23 | // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. 24 | // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game. 25 | } 26 | 27 | func applicationDidEnterBackground(_ application: UIApplication) { 28 | // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 29 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 30 | } 31 | 32 | func applicationWillEnterForeground(_ application: UIApplication) { 33 | // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background. 34 | } 35 | 36 | func applicationDidBecomeActive(_ application: UIApplication) { 37 | // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. 38 | } 39 | 40 | func applicationWillTerminate(_ application: UIApplication) { 41 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 42 | } 43 | 44 | 45 | } 46 | 47 | -------------------------------------------------------------------------------- /ImageProcessingSample/Sources/CIImageDrawable.swift: -------------------------------------------------------------------------------- 1 | // 2 | // CIImageDrawable.swift 3 | // ImageProcessingSample 4 | // 5 | // Created by kotetu on 2019/08/31. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import CoreImage 10 | 11 | protocol CIImageDrawable { 12 | var isHidden: Bool { get set } 13 | 14 | func draw(image: CIImage) 15 | } 16 | -------------------------------------------------------------------------------- /ImageProcessingSample/Sources/GLVideoPreview.swift: -------------------------------------------------------------------------------- 1 | // 2 | // GLVideoPreview.swift 3 | // ImageProcessingSample 4 | // 5 | // Created by kotetu on 2019/08/29. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import GLKit 10 | 11 | /// GLKViewを使ったプレビュー表示用クラス 12 | /// (GLKViewはiOS12でdeprecatedになったので、検証目的以外では使用しないでください。) 13 | final class GLVideoPreview: GLKView { 14 | private let ciContext: CIContext? 15 | 16 | required init?(coder aDecoder: NSCoder) { 17 | if let eaglContext = EAGLContext(api: .openGLES3) { 18 | ciContext = CIContext(eaglContext: eaglContext) 19 | super.init(coder: aDecoder) 20 | self.context = eaglContext 21 | } else { 22 | ciContext = nil 23 | super.init(coder: aDecoder) 24 | } 25 | 26 | EAGLContext.setCurrent(self.context) 27 | enableSetNeedsDisplay = false 28 | contentScaleFactor = UIScreen.main.scale 29 | bindDrawable() 30 | } 31 | } 32 | 33 | extension GLVideoPreview: CIImageDrawable { 34 | /// CIImageの描画(別スレッドから呼び出してもクラッシュしない) 35 | func draw(image: CIImage) { 36 | guard let ciContext = ciContext else { return } 37 | let videoDisplayViewBounds 38 | = CGRect(x: 0, y: 0, width: CGFloat(drawableWidth), height: CGFloat(drawableHeight)) 39 | 40 | // 描画領域と同じサイズの画像を用意する(はみ出た分は切り取る) 41 | let aspectRatio: CGFloat = CGFloat(drawableWidth) / CGFloat(drawableHeight) 42 | let imageWidthAspectFit = image.extent.height * aspectRatio 43 | let scale: CGFloat = (CGFloat(drawableHeight) / image.extent.height) 44 | let displayImage = image 45 | .cropped(to: CGRect(origin: CGPoint(x: (image.extent.width - imageWidthAspectFit) / 2, y: 0), 46 | size: CGSize(width: imageWidthAspectFit, height: image.extent.height))) 47 | .transformed(by: CGAffineTransform(scaleX: scale, y: scale)) 48 | 49 | bindDrawable() 50 | ciContext.draw(displayImage, in: videoDisplayViewBounds, from: displayImage.extent) 51 | context.presentRenderbuffer(Int(GL_RENDERBUFFER)) 52 | } 53 | } 54 | -------------------------------------------------------------------------------- /ImageProcessingSample/Sources/MetalVideoPreview.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MetalVideoPreview.swift 3 | // ImageProcessingSample 4 | // 5 | // Created by kotetu on 2019/08/29. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import MetalKit 10 | 11 | final class MetalVideoPreview: MTKView { 12 | private let ciContext: CIContext? 13 | private let commandQueue: MTLCommandQueue? 14 | 15 | required init(coder: NSCoder) { 16 | if let mtlDevice = MTLCreateSystemDefaultDevice() { 17 | ciContext = CIContext(mtlDevice: mtlDevice) 18 | commandQueue = mtlDevice.makeCommandQueue() 19 | super.init(coder: coder) 20 | self.device = mtlDevice 21 | } else { 22 | ciContext = nil 23 | commandQueue = nil 24 | super.init(coder: coder) 25 | } 26 | } 27 | } 28 | 29 | extension MetalVideoPreview: CIImageDrawable { 30 | /// CIImageの描画(別スレッドから呼び出してもクラッシュしない) 31 | func draw(image: CIImage) { 32 | guard let ciContext = ciContext, 33 | let commandQueue = commandQueue, 34 | let mtlDrawable = currentDrawable, 35 | let commandBuffer = commandQueue.makeCommandBuffer() else { return } 36 | 37 | let colorSpace = CGColorSpaceCreateDeviceRGB() 38 | 39 | // 描画領域と同じサイズの画像を用意する(はみ出た分は切り取る) 40 | let aspectRatio = drawableSize.width / drawableSize.height 41 | let imageWidthAspectFit = image.extent.height * aspectRatio 42 | let scale = (drawableSize.height / image.extent.height) 43 | let displayImage = image 44 | .cropped(to: CGRect(origin: CGPoint(x: (image.extent.width - imageWidthAspectFit) / 2, y: 0), 45 | size: CGSize(width: imageWidthAspectFit, height: image.extent.height))) 46 | .transformed(by: CGAffineTransform(scaleX: scale, y: scale)) 47 | 48 | ciContext.render(displayImage, 49 | to: mtlDrawable.texture, 50 | commandBuffer: commandBuffer, 51 | bounds: displayImage.extent, 52 | colorSpace: colorSpace) 53 | 54 | commandBuffer.present(mtlDrawable) 55 | commandBuffer.commit() 56 | commandBuffer.waitUntilCompleted() 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /ImageProcessingSample/Sources/Presenter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Presenter.swift 3 | // ImageProcessingSample 4 | // 5 | // Created by kotetu on 2019/08/12. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import CameraFramework 10 | import OpneCVImageProcessingFramework 11 | import RxSwift 12 | 13 | protocol PresenterDelegate: AnyObject { 14 | func showAccessDeniedError() 15 | func showCameraInitializationError() 16 | func initializationDidSuccess() 17 | func draw(circles: [Circle]) 18 | func draw(ciImage: CIImage) 19 | } 20 | 21 | final class Presenter { 22 | private let processingImageHeight: CGFloat = 1000 23 | private let minimumDistance: Double = 10 24 | 25 | private let imageProcessor: ImageProcessor 26 | private let videoAccess: VideoAccess 27 | 28 | private let disposeBag = DisposeBag() 29 | private let backgroundScheduler = ConcurrentDispatchQueueScheduler(qos: .background) 30 | private let circleDetectionQueue = DispatchQueue(label: "co.kotetu.circle.detection.queue", qos: .utility) 31 | private var videoCapture: VideoImageCapture? 32 | private var previewSize: CGSize? 33 | private let context = CIContext() 34 | private var isProcessing: Bool = false 35 | 36 | weak var delegate: PresenterDelegate? 37 | 38 | init(imageProcessor: ImageProcessor, videoAccess: VideoAccess) { 39 | self.imageProcessor = imageProcessor 40 | self.videoAccess = videoAccess 41 | } 42 | 43 | func initializePreview() { 44 | requestVideoAccess() 45 | } 46 | 47 | func startPreview(with previewLayer: CALayer?) { 48 | guard let videoCapture = BasicVideoDataCaptureBuilder().build() else { 49 | delegate?.showCameraInitializationError() 50 | return 51 | } 52 | if let previewLayer = previewLayer { 53 | videoCapture.setPreviewLayer(previewLayer) 54 | self.previewSize = previewLayer.bounds.size 55 | } 56 | videoCapture.setVideoImageCaptureDelegate(self) 57 | videoCapture.start() 58 | self.videoCapture = videoCapture 59 | } 60 | 61 | func terminate() { 62 | stopVideoCapture() 63 | } 64 | 65 | private func requestVideoAccess() { 66 | videoAccess 67 | .requestVideoAccess() 68 | .subscribeOn(backgroundScheduler) 69 | .observeOn(MainScheduler.instance) 70 | .subscribe { [weak self] completable in 71 | guard let self = self else { return } 72 | switch completable { 73 | case .completed: 74 | self.delegate?.initializationDidSuccess() 75 | case .error(_): 76 | self.delegate?.showAccessDeniedError() 77 | } 78 | } 79 | .disposed(by: disposeBag) 80 | } 81 | 82 | private func startVideoCapture() { 83 | guard let videoCapture = videoCapture else { return } 84 | videoCapture.start() 85 | } 86 | 87 | private func stopVideoCapture() { 88 | guard let videoCapture = videoCapture else { return } 89 | videoCapture.stop() 90 | } 91 | } 92 | 93 | extension Presenter: VideoImageCaptureDelegate { 94 | func didOutput(ciImage: CIImage) { 95 | delegate?.draw(ciImage: ciImage) 96 | if !isProcessing { 97 | circleDetectionQueue.async { [weak self] in 98 | #if DEBUG 99 | let start = Date() 100 | #endif 101 | // self?.circleDetectionResizeUIImage(by: ciImage) 102 | self?.circleDetectionResizeCIImage(by: ciImage) 103 | #if DEBUG 104 | let interval = Date().timeIntervalSince(start) 105 | NSLog("Processing Time : %.5f (Presenter#didOutput)", interval) 106 | #endif 107 | } 108 | } 109 | } 110 | } 111 | 112 | private extension Presenter { 113 | func circleDetectionResizeUIImage(by ciImage: CIImage) { 114 | isProcessing = true 115 | guard let previewSize = previewSize, let uiImage = convert(from: ciImage) else { return } 116 | 117 | let aspectRatioForPreview = (previewSize.width / previewSize.height) 118 | let processingScale = processingImageHeight / ciImage.extent.height 119 | 120 | // プレビュー表示されない領域幅の片側オフセット値(原寸大画像ベースで算出) 121 | // AVCaptureVideoPreviewLayerでvideoGravityをresizeAspectFillにした場合、縦については全て表示され 122 | // 左右は切り取られるように表示調整されることから、非表示領域内にある原点を考慮しこのような実装となっている 123 | let offsetX: CGFloat = (uiImage.size.width - (uiImage.size.height * aspectRatioForPreview)) / 2 124 | let drawScale: CGFloat = previewSize.height / uiImage.size.height 125 | // offsetXを表示スクリーン換算で算出 126 | let offsetForDrawScaleX = offsetX * drawScale 127 | 128 | let resizedImage = uiImage.resize(to: processingScale) 129 | // let resizedImage = uiImage.resizeForOLD(to: processingScale)! 130 | let drawableCircles = imageProcessor.circleDetection(from: resizedImage, minimumDistance: minimumDistance).compactMap { circle -> Circle in 131 | let center = CGPoint(x: ((circle.center.x / processingScale) * drawScale) - offsetForDrawScaleX, 132 | y: ((circle.center.y / processingScale) * drawScale)) 133 | return Circle(center: center, radius: (circle.radius / processingScale) * drawScale) 134 | } 135 | 136 | delegate?.draw(circles: drawableCircles) 137 | isProcessing = false 138 | } 139 | 140 | func circleDetectionResizeCIImage(by ciImage: CIImage) { 141 | isProcessing = true 142 | let processingScale = processingImageHeight / ciImage.extent.height 143 | // guard let previewSize = previewSize, let resizedImage = convert(from: ciImage, affine: processingScale) else { return } 144 | // guard let previewSize = previewSize, let resizedImage = convert(from: ciImage, lanczos: processingScale) else { return } 145 | guard let previewSize = previewSize, let resizedImage = convert(from: ciImage, bicubic: processingScale) else { return } 146 | 147 | let aspectRatioForPreview = (previewSize.width / previewSize.height) 148 | 149 | // プレビュー表示されない領域幅の片側オフセット値(原寸大画像ベースで算出) 150 | // AVCaptureVideoPreviewLayerでvideoGravityをresizeAspectFillにした場合、縦については全て表示され 151 | // 左右は切り取られるように表示調整されることから、非表示領域内にある原点を考慮しこのような実装となっている 152 | let offsetX: CGFloat = (ciImage.extent.width - (ciImage.extent.height * aspectRatioForPreview)) / 2 153 | let drawScale: CGFloat = previewSize.height / ciImage.extent.height 154 | 155 | // offsetXを表示スクリーン換算で算出 156 | let offsetForDrawScaleX = offsetX * drawScale 157 | 158 | let drawableCircles = imageProcessor.circleDetection(from: resizedImage, minimumDistance: minimumDistance).compactMap { circle -> Circle in 159 | let center = CGPoint(x: ((circle.center.x / processingScale) * drawScale) - offsetForDrawScaleX, 160 | y: ((circle.center.y / processingScale) * drawScale)) 161 | return Circle(center: center, radius: (circle.radius / processingScale) * drawScale) 162 | } 163 | 164 | delegate?.draw(circles: drawableCircles) 165 | isProcessing = false 166 | } 167 | } 168 | 169 | private extension Presenter { 170 | /// UIImageへのコンバートのみ行う 171 | func convert(from ciImage: CIImage) -> UIImage? { 172 | return autoreleasepool { [weak self] in 173 | // UIImage -> CGImage -> UIImage 174 | guard let self = self, 175 | let cgImage = self.context.createCGImage(ciImage, from: ciImage.extent) else { 176 | return nil 177 | } 178 | return UIImage(cgImage: cgImage) 179 | } 180 | } 181 | 182 | /// UIImageへのコンバートとリサイズを並行して行う(アフィン変換) 183 | func convert(from ciImage: CIImage, affine scale: CGFloat) -> UIImage? { 184 | return autoreleasepool { [weak self] in 185 | // UIImage -> CGImage -> UIImage 186 | guard let self = self, 187 | let outputImage = ciImage.resizeUsingAffine(to: scale), 188 | let cgImage = self.context.createCGImage(outputImage, from: outputImage.extent) else { 189 | return nil 190 | } 191 | return UIImage(cgImage: cgImage) 192 | } 193 | } 194 | 195 | /// UIImageへのコンバートとリサイズを並行して行う(lanczos法) 196 | func convert(from ciImage: CIImage, lanczos scale: CGFloat) -> UIImage? { 197 | return autoreleasepool { [weak self] in 198 | // UIImage -> CGImage -> UIImage 199 | guard let self = self, 200 | let outputImage = ciImage.resizeUsingLanczos(to: scale), 201 | let cgImage = self.context.createCGImage(outputImage, from: outputImage.extent) else { 202 | return nil 203 | } 204 | return UIImage(cgImage: cgImage) 205 | } 206 | } 207 | 208 | /// UIImageへのコンバートとリサイズを並行して行う(bicubic法) 209 | func convert(from ciImage: CIImage, bicubic scale: CGFloat) -> UIImage? { 210 | return autoreleasepool { [weak self] in 211 | // UIImage -> CGImage -> UIImage 212 | guard let self = self, 213 | let outputImage = ciImage.resizeUsingBicubic(to: scale), 214 | let cgImage = self.context.createCGImage(outputImage, from: outputImage.extent) else { 215 | return nil 216 | } 217 | return UIImage(cgImage: cgImage) 218 | } 219 | } 220 | } 221 | -------------------------------------------------------------------------------- /ImageProcessingSample/Sources/Utilities/CIImage+Resize.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ScaleFilter.swift 3 | // ImageProcessingSample 4 | // 5 | // Created by kotetu on 2019/08/13. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import CoreImage 10 | 11 | extension CIImage { 12 | func resizeUsingAffine(to scale: CGFloat) -> CIImage? { 13 | return self.transformed(by: CGAffineTransform(scaleX: scale, y: scale)) 14 | } 15 | 16 | func resizeUsingLanczos(to scale: CGFloat) -> CIImage? { 17 | guard let filter = CIFilter(name: "CILanczosScaleTransform") else { 18 | return nil 19 | } 20 | filter.setDefaults() 21 | filter.setValue(self, forKey: kCIInputImageKey) 22 | filter.setValue(scale, forKey: kCIInputScaleKey) 23 | return filter.outputImage 24 | } 25 | 26 | func resizeUsingBicubic(to scale: CGFloat) -> CIImage? { 27 | guard let filter = CIFilter(name: "CIBicubicScaleTransform") else { 28 | return nil 29 | } 30 | filter.setDefaults() 31 | filter.setValue(self, forKey: kCIInputImageKey) 32 | filter.setValue(scale, forKey: kCIInputScaleKey) 33 | return filter.outputImage 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /ImageProcessingSample/Sources/Utilities/UIImage+Resize.swift: -------------------------------------------------------------------------------- 1 | // 2 | // UIImage+Resize.swift 3 | // ImageProcessingSample 4 | // 5 | // Created by kotetu on 2019/08/31. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | extension UIImage { 12 | func resize(to scale: CGFloat) -> UIImage { 13 | let newSize = CGSize(width: size.width * scale, 14 | height: size.height * scale) 15 | return resize(to: newSize) 16 | } 17 | 18 | func resize(to size: CGSize) -> UIImage { 19 | // UIGraphicsImageRendererデバイスのスクリーンスケールに合わせて画像をリサイズするようになっている。 20 | // ただ、ここでは画像処理用のリサイズを行いたいので、UIGraphicsImageRendererFormat.scaleを1に設定する必要がある。 21 | // ※ UI表示用にリサイズする場合は逆にscale設定しない方が良い 22 | let format = UIGraphicsImageRendererFormat() 23 | format.scale = 1 24 | let renderer = UIGraphicsImageRenderer(size: size, format: format) 25 | return renderer.image(actions: { context in 26 | let newRect = CGRect(origin: .zero, size: size) 27 | self.draw(in: newRect) 28 | }) 29 | } 30 | 31 | func resizeForOLD(to scale: CGFloat) -> UIImage? { 32 | let newSize = CGSize(width: size.width * scale, 33 | height: size.height * scale) 34 | return resizeForOLD(to: newSize) 35 | } 36 | 37 | func resizeForOLD(to size: CGSize) -> UIImage? { 38 | UIGraphicsBeginImageContext(size) 39 | defer { 40 | UIGraphicsEndImageContext() 41 | } 42 | let newRect = CGRect(origin: .zero, size: size) 43 | draw(in: newRect) 44 | return UIGraphicsGetImageFromCurrentImageContext() 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /ImageProcessingSample/Sources/ViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // ImageProcessingSample 4 | // 5 | // Created by kotetu on 2019/07/30. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import CameraFramework 10 | import OpneCVImageProcessingFramework 11 | 12 | final class ViewController: UIViewController { 13 | @IBOutlet private weak var cameraPreview: UIView! 14 | @IBOutlet private weak var detectCirclePreview: UIView! 15 | @IBOutlet private weak var glkPreview: GLVideoPreview! 16 | @IBOutlet private weak var mtkPreview: MetalVideoPreview! 17 | 18 | /// CIImageの描画先Viewを指定する(GLVideoPreview or MetalVideoPreview) 19 | private var drawView: CIImageDrawable! 20 | 21 | private let presenter = Presenter(imageProcessor: OpenCVImageProcessor(), 22 | videoAccess: VideoAccess()) 23 | 24 | override func viewDidLoad() { 25 | super.viewDidLoad() 26 | presenter.delegate = self 27 | 28 | // CIImageの描画については下記設定を変更する 29 | drawView = mtkPreview 30 | drawView.isHidden = true 31 | } 32 | 33 | override func viewWillAppear(_ animated: Bool) { 34 | super.viewWillAppear(animated) 35 | presenter.initializePreview() 36 | } 37 | 38 | override func viewDidDisappear(_ animated: Bool) { 39 | super.viewDidDisappear(animated) 40 | presenter.terminate() 41 | } 42 | } 43 | 44 | extension ViewController: PresenterDelegate { 45 | func showAccessDeniedError() { 46 | let alert = UIAlertController(title: "エラー", 47 | message: "カメラのアクセスを許可してください。", 48 | preferredStyle: .alert) 49 | alert.addAction(UIAlertAction(title: "OK", style: .default, handler: nil)) 50 | self.present(alert, animated: true, completion: nil) 51 | } 52 | 53 | func showCameraInitializationError() { 54 | let alert = UIAlertController(title: "エラー", 55 | message: "カメラの初期化に失敗しました。", 56 | preferredStyle: .alert) 57 | alert.addAction(UIAlertAction(title: "OK", style: .default, handler: nil)) 58 | self.present(alert, animated: true, completion: nil) 59 | } 60 | 61 | func initializationDidSuccess() { 62 | presenter.startPreview(with: cameraPreview.layer) 63 | } 64 | 65 | func draw(circles: [Circle]) { 66 | DispatchQueue.main.async { [weak self] in 67 | guard let self = self else { return } 68 | self.drawShapeLayer(circles: circles) 69 | } 70 | } 71 | 72 | func draw(ciImage: CIImage) { 73 | // drawView.draw(image: ciImage) 74 | } 75 | } 76 | 77 | private extension ViewController { 78 | func drawShapeLayer(circles: [Circle]) { 79 | detectCirclePreview.layer.sublayers 80 | = circles.map({ circle -> CAShapeLayer in 81 | let shapeLayer = CAShapeLayer() 82 | let path = CGMutablePath() 83 | path.addArc(center: circle.center, 84 | radius: circle.radius, 85 | startAngle: 0, 86 | endAngle: CGFloat.pi * 2, 87 | clockwise: true) 88 | shapeLayer.path = path 89 | shapeLayer.strokeColor = UIColor.yellow.cgColor 90 | shapeLayer.fillColor = nil 91 | shapeLayer.lineWidth = 3.0 92 | return shapeLayer 93 | }) 94 | } 95 | } 96 | -------------------------------------------------------------------------------- /ImageProcessingSample/Storyboards/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /ImageProcessingSample/Storyboards/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 30 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | -------------------------------------------------------------------------------- /ImageProcessingSampleTests/ImageProcessingSampleTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ImageProcessingSampleTests.swift 3 | // ImageProcessingSampleTests 4 | // 5 | // Created by kotetu on 2019/07/30. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import ImageProcessingSample 11 | 12 | class ImageProcessingSampleTests: XCTestCase { 13 | 14 | override func setUp() { 15 | // Put setup code here. This method is called before the invocation of each test method in the class. 16 | } 17 | 18 | override func tearDown() { 19 | // Put teardown code here. This method is called after the invocation of each test method in the class. 20 | } 21 | 22 | func testExample() { 23 | // This is an example of a functional test case. 24 | // Use XCTAssert and related functions to verify your tests produce the correct results. 25 | } 26 | 27 | func testPerformanceExample() { 28 | // This is an example of a performance test case. 29 | self.measure { 30 | // Put the code you want to measure the time of here. 31 | } 32 | } 33 | 34 | } 35 | -------------------------------------------------------------------------------- /ImageProcessingSampleTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /ImageProcessingSampleUITests/ImageProcessingSampleUITests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ImageProcessingSampleUITests.swift 3 | // ImageProcessingSampleUITests 4 | // 5 | // Created by kotetu on 2019/07/30. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | 11 | class ImageProcessingSampleUITests: XCTestCase { 12 | 13 | override func setUp() { 14 | // Put setup code here. This method is called before the invocation of each test method in the class. 15 | 16 | // In UI tests it is usually best to stop immediately when a failure occurs. 17 | continueAfterFailure = false 18 | 19 | // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method. 20 | XCUIApplication().launch() 21 | 22 | // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this. 23 | } 24 | 25 | override func tearDown() { 26 | // Put teardown code here. This method is called after the invocation of each test method in the class. 27 | } 28 | 29 | func testExample() { 30 | // Use recording to get started writing UI tests. 31 | // Use XCTAssert and related functions to verify your tests produce the correct results. 32 | } 33 | 34 | } 35 | -------------------------------------------------------------------------------- /ImageProcessingSampleUITests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2019 Kuriyama 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /OpneCVImageProcessingFramework/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | $(CURRENT_PROJECT_VERSION) 21 | 22 | 23 | -------------------------------------------------------------------------------- /OpneCVImageProcessingFramework/Sources/Driver/CircleDetectionResult.h: -------------------------------------------------------------------------------- 1 | // 2 | // CircleDetectionResult.h 3 | // OpneCVImageProcessingFramework 4 | // 5 | // Created by kotetu on 2019/08/12. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | NS_ASSUME_NONNULL_BEGIN 12 | 13 | @interface CircleDetectionResult : NSObject 14 | 15 | @property (nonatomic) float centerX; 16 | @property (nonatomic) float centerY; 17 | @property (nonatomic) float radius; 18 | 19 | - (nullable instancetype)initWithCenterX:(float)centerX centerY:(float)centerY radius:(float)radius; 20 | @end 21 | 22 | NS_ASSUME_NONNULL_END 23 | -------------------------------------------------------------------------------- /OpneCVImageProcessingFramework/Sources/Driver/CircleDetectionResult.m: -------------------------------------------------------------------------------- 1 | // 2 | // CircleDetectionResult.m 3 | // OpneCVImageProcessingFramework 4 | // 5 | // Created by kotetu on 2019/08/12. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | #import "CircleDetectionResult.h" 10 | 11 | @implementation CircleDetectionResult 12 | 13 | - (nullable instancetype)initWithCenterX:(float)centerX centerY:(float)centerY radius:(float)radius 14 | { 15 | self = [super init]; 16 | if (self) { 17 | self.centerX = centerX; 18 | self.centerY = centerY; 19 | self.radius = radius; 20 | } 21 | return self; 22 | } 23 | @end 24 | -------------------------------------------------------------------------------- /OpneCVImageProcessingFramework/Sources/Driver/OpenCVDriver.h: -------------------------------------------------------------------------------- 1 | // 2 | // OpenCVDriver.h 3 | // OpneCVImageProcessingFramework 4 | // 5 | // Created by kotetu on 2019/08/12. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | #import 10 | #import 11 | #import "CircleDetectionResult.h" 12 | 13 | NS_ASSUME_NONNULL_BEGIN 14 | 15 | @interface OpenCVDriver : NSObject 16 | 17 | /// 入力画像はグレイスケールした画像を指定するようにしてください 18 | - (NSArray *)circleDetectionWithUIImage: (UIImage *)sourceImage minimumDistance:(double)minDistance; 19 | 20 | @end 21 | 22 | NS_ASSUME_NONNULL_END 23 | -------------------------------------------------------------------------------- /OpneCVImageProcessingFramework/Sources/Driver/OpenCVDriver.mm: -------------------------------------------------------------------------------- 1 | // 2 | // OpenCVImageProcessor.m 3 | // OpneCVImageProcessingFramework 4 | // 5 | // Created by kotetu on 2019/08/12. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | // OpenCV系のヘッダはApple系のヘッダよりも先にimportすること 10 | #ifdef __cplusplus 11 | #import 12 | #import 13 | #endif 14 | 15 | #import "OpenCVDriver.h" 16 | 17 | @implementation OpenCVDriver 18 | 19 | - (NSArray *)circleDetectionWithUIImage:(UIImage *)sourceImage minimumDistance:(double)minDistance 20 | { 21 | #ifdef DEBUG 22 | NSDate *startDate; 23 | NSDate *endDate; 24 | startDate = [NSDate date]; 25 | #endif 26 | 27 | cv::Mat sourceMat; 28 | cv::Mat sourceGrayScaleMat; 29 | cv::Mat gaussianBlurMat; 30 | std::vector circles; 31 | UIImageToMat(sourceImage, sourceMat, false); 32 | 33 | cv::cvtColor(sourceMat, sourceGrayScaleMat, cv::COLOR_BGR2GRAY); 34 | // そのままの画像だとノイズが多すぎて円が取れすぎるため、ブラー(ぼかし)を入れてノイズを減らす 35 | cv::GaussianBlur(sourceGrayScaleMat, gaussianBlurMat, cv::Size(9, 9), 2, 2); 36 | cv::HoughCircles(gaussianBlurMat, circles, cv::HOUGH_GRADIENT, 1, minDistance); 37 | 38 | NSMutableArray *circleDetectionResults = [[NSMutableArray alloc] init]; 39 | for(auto circle : circles) { 40 | [circleDetectionResults addObject:[[CircleDetectionResult alloc] initWithCenterX:circle[0] centerY:circle[1] radius:circle[2]]]; 41 | } 42 | 43 | #ifdef DEBUG 44 | endDate = [NSDate date]; 45 | NSTimeInterval interval = [endDate timeIntervalSinceDate:startDate]; 46 | NSLog(@"Processing Time : %.5f (circleDetection)",interval); 47 | #endif 48 | 49 | return circleDetectionResults; 50 | } 51 | @end 52 | -------------------------------------------------------------------------------- /OpneCVImageProcessingFramework/Sources/OpenCVImageProcessor.swift: -------------------------------------------------------------------------------- 1 | // 2 | // OpenCVImageProcessor.swift 3 | // OpneCVImageProcessingFramework 4 | // 5 | // Created by kotetu on 2019/08/12. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | public struct Circle { 10 | public var center: CGPoint 11 | public var radius: CGFloat 12 | 13 | public init(center: CGPoint, radius: CGFloat) { 14 | self.center = center 15 | self.radius = radius 16 | } 17 | } 18 | 19 | public protocol ImageProcessor { 20 | /// 将来的に、OpenCV以外でも使えるInterfaceにするために、UIImageではない抽象的な画像型を使うようにする 21 | func circleDetection(from image: UIImage, minimumDistance: Double) -> [Circle] 22 | } 23 | 24 | public final class OpenCVImageProcessor: ImageProcessor { 25 | let driver: OpenCVDriver 26 | 27 | public init(driver: OpenCVDriver = OpenCVDriver()) { 28 | self.driver = driver 29 | } 30 | 31 | public func circleDetection(from image: UIImage, minimumDistance: Double = 2) -> [Circle] { 32 | return driver.circleDetection(with: image, minimumDistance: minimumDistance).compactMap { 33 | Circle(center: CGPoint(x: CGFloat($0.centerX), 34 | y: CGFloat($0.centerY)), 35 | radius: CGFloat($0.radius)) } 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /OpneCVImageProcessingFramework/Sources/OpneCVImageProcessingFramework.h: -------------------------------------------------------------------------------- 1 | // 2 | // OpneCVImageProcessingFramework.h 3 | // OpneCVImageProcessingFramework 4 | // 5 | // Created by kotetu on 2019/08/11. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | #import 10 | #import 11 | 12 | //! Project version number for OpneCVImageProcessingFramework. 13 | FOUNDATION_EXPORT double OpneCVImageProcessingFrameworkVersionNumber; 14 | 15 | //! Project version string for OpneCVImageProcessingFramework. 16 | FOUNDATION_EXPORT const unsigned char OpneCVImageProcessingFrameworkVersionString[]; 17 | 18 | // In this header, you should import all the public headers of your framework using statements like #import 19 | -------------------------------------------------------------------------------- /OpneCVImageProcessingFrameworkTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | 22 | 23 | -------------------------------------------------------------------------------- /OpneCVImageProcessingFrameworkTests/OpneCVImageProcessingFrameworkTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // OpneCVImageProcessingFrameworkTests.swift 3 | // OpneCVImageProcessingFrameworkTests 4 | // 5 | // Created by kotetu on 2019/08/11. 6 | // Copyright © 2019 kotetu. All rights reserved. 7 | // 8 | 9 | import XCTest 10 | @testable import OpneCVImageProcessingFramework 11 | 12 | class OpneCVImageProcessingFrameworkTests: XCTestCase { 13 | 14 | override func setUp() { 15 | // Put setup code here. This method is called before the invocation of each test method in the class. 16 | } 17 | 18 | override func tearDown() { 19 | // Put teardown code here. This method is called after the invocation of each test method in the class. 20 | } 21 | 22 | func testExample() { 23 | // This is an example of a functional test case. 24 | // Use XCTAssert and related functions to verify your tests produce the correct results. 25 | } 26 | 27 | func testPerformanceExample() { 28 | // This is an example of a performance test case. 29 | self.measure { 30 | // Put the code you want to measure the time of here. 31 | } 32 | } 33 | 34 | } 35 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Image-Processing-Sample-iOS 2 | 3 | [![Platform](http://img.shields.io/badge/platform-ios-blue.svg?style=flat)](https://developer.apple.com/iphone/index.action) 4 | [![Language](http://img.shields.io/badge/language-swift-brightgreen.svg?style=flat)](https://developer.apple.com/swift) 5 | [![License](http://img.shields.io/badge/license-MIT-lightgrey.svg?style=flat)](http://mit-license.org) 6 | 7 | A sample of optimizing image processing in iOS 8 | 9 | # How to build 10 | 11 | Before you build this, run `Scripts/Bootstrap.sh`. 12 | 13 | ``` 14 | sh Scripts/Bootstrap.sh 15 | ``` 16 | 17 | NOTE: Because It uses **AVFoundation**, it can not run on Simulator. 18 | -------------------------------------------------------------------------------- /Scripts/Bootstrap.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | SCRIPT_DIR=$(cd $(dirname $0); pwd)/ 4 | PROJECT_DIR=$SCRIPT_DIR.. 5 | 6 | # 7 | # Carthage Build 8 | # 9 | 10 | carthage bootstrap --platform iOS 11 | 12 | # 13 | # Downloading OpenCV 14 | # 15 | 16 | OPENCV_VERISON=4.1.1 17 | OPENCV_DIR=$PROJECT_DIR/OpenCV 18 | OPENCV_ZIP_FILE=$OPENCV_DIR/opencv-$OPENCV_VERISON-ios-framework.zip 19 | OPENCV_FRAMEWORK_DIR=$OPENCV_DIR/opencv2.framework 20 | 21 | if [ ! -d $OPENCV_DIR ]; then 22 | mkdir $OPENCV_DIR 23 | fi 24 | 25 | if [ ! -f $OPENCV_ZIP_FILE ]; then 26 | curl -L -o $OPENCV_ZIP_FILE -O https://github.com/opencv/opencv/releases/download/$OPENCV_VERISON/opencv-$OPENCV_VERISON-ios-framework.zip 27 | fi 28 | 29 | if [ ! -d $OPENCV_FRAMEWORK_DIR ]; then 30 | unzip $OPENCV_ZIP_FILE -d $OPENCV_DIR 31 | fi 32 | -------------------------------------------------------------------------------- /cartfile: -------------------------------------------------------------------------------- 1 | github "ReactiveX/RxSwift" ~> 5.0.1 2 | --------------------------------------------------------------------------------