├── CoreMLDemo.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   └── xcuserdata
    │   │   └── wutian.xcuserdatad
    │   │       └── UserInterfaceState.xcuserstate
    └── xcuserdata
    │   └── wutian.xcuserdatad
    │       ├── xcdebugger
    │           └── Breakpoints_v2.xcbkptlist
    │       └── xcschemes
    │           └── xcschememanagement.plist
├── CoreMLDemo
    ├── AppDelegate.h
    ├── AppDelegate.m
    ├── Assets.xcassets
    │   └── AppIcon.appiconset
    │   │   └── Contents.json
    ├── Base.lproj
    │   ├── LaunchScreen.storyboard
    │   └── Main.storyboard
    ├── DemoPanel.h
    ├── DemoPanel.m
    ├── FaceLandmarkView.h
    ├── FaceLandmarkView.m
    ├── Info.plist
    ├── ViewController.h
    ├── ViewController.mm
    └── main.m
├── README.md
└── intro.gif


/CoreMLDemo.xcodeproj/project.pbxproj:
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355 | 			);
356 | 			defaultConfigurationIsVisible = 0;
357 | 			defaultConfigurationName = Release;
358 | 		};
359 | /* End XCConfigurationList section */
360 | 	};
361 | 	rootObject = C6337AF51F00B1130049AC8C /* Project object */;
362 | }
363 | 


--------------------------------------------------------------------------------
/CoreMLDemo.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:CoreMLDemo.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/CoreMLDemo.xcodeproj/project.xcworkspace/xcuserdata/wutian.xcuserdatad/UserInterfaceState.xcuserstate:
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/CoreMLDemo.xcodeproj/xcuserdata/wutian.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Bucket
3 |    type = "1"
4 |    version = "2.0">
5 | </Bucket>
6 | 


--------------------------------------------------------------------------------
/CoreMLDemo.xcodeproj/xcuserdata/wutian.xcuserdatad/xcschemes/xcschememanagement.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>CoreMLDemo.xcscheme</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | </dict>
14 | </plist>
15 | 


--------------------------------------------------------------------------------
/CoreMLDemo/AppDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.h
 3 | //  CoreMLDemo
 4 | //
 5 | //  Created by wutian on 2017/6/26.
 6 | //  Copyright © 2017年 Weibo. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface AppDelegate : UIResponder <UIApplicationDelegate>
12 | 
13 | @property (strong, nonatomic) UIWindow *window;
14 | 
15 | 
16 | @end
17 | 
18 | 


--------------------------------------------------------------------------------
/CoreMLDemo/AppDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.m
 3 | //  CoreMLDemo
 4 | //
 5 | //  Created by wutian on 2017/6/26.
 6 | //  Copyright © 2017年 Weibo. All rights reserved.
 7 | //
 8 | 
 9 | #import "AppDelegate.h"
10 | 
11 | @interface AppDelegate ()
12 | 
13 | @end
14 | 
15 | @implementation AppDelegate
16 | 
17 | 
18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
19 |     // Override point for customization after application launch.
20 |     return YES;
21 | }
22 | 
23 | 
24 | - (void)applicationWillResignActive:(UIApplication *)application {
25 |     // 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.
26 |     // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
27 | }
28 | 
29 | 
30 | - (void)applicationDidEnterBackground:(UIApplication *)application {
31 |     // 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.
32 |     // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
33 | }
34 | 
35 | 
36 | - (void)applicationWillEnterForeground:(UIApplication *)application {
37 |     // 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.
38 | }
39 | 
40 | 
41 | - (void)applicationDidBecomeActive:(UIApplication *)application {
42 |     // 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.
43 | }
44 | 
45 | 
46 | - (void)applicationWillTerminate:(UIApplication *)application {
47 |     // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
48 | }
49 | 
50 | 
51 | @end
52 | 


--------------------------------------------------------------------------------
/CoreMLDemo/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 |   "info" : {
90 |     "version" : 1,
91 |     "author" : "xcode"
92 |   }
93 | }


--------------------------------------------------------------------------------
/CoreMLDemo/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="EHf-IW-A2E">
10 |             <objects>
11 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
17 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |             <point key="canvasLocation" x="53" y="375"/>
25 |         </scene>
26 |     </scenes>
27 | </document>
28 | 


--------------------------------------------------------------------------------
/CoreMLDemo/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11134" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11106"/>
 5 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="tne-QT-ifu">
10 |             <objects>
11 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModuleProvider="" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
17 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |         </scene>
25 |     </scenes>
26 | </document>
27 | 


--------------------------------------------------------------------------------
/CoreMLDemo/DemoPanel.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  DemoPanel.h
 3 | //  CoreMLDemo
 4 | //
 5 | //  Created by wutian on 2017/6/26.
 6 | //  Copyright © 2017年 Weibo. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface DemoPanel : UIView
12 | 
13 | @property (nonatomic, strong) NSString * text;
14 | @property (nonatomic, strong, readonly) UISegmentedControl * segmentedControl;
15 | 
16 | @end
17 | 


--------------------------------------------------------------------------------
/CoreMLDemo/DemoPanel.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  DemoPanel.m
 3 | //  CoreMLDemo
 4 | //
 5 | //  Created by wutian on 2017/6/26.
 6 | //  Copyright © 2017年 Weibo. All rights reserved.
 7 | //
 8 | 
 9 | #import "DemoPanel.h"
10 | 
11 | @interface DemoPanel ()
12 | 
13 | @property (nonatomic, strong) UIVisualEffectView * blurView;
14 | @property (nonatomic, strong) UILabel * textLabel;
15 | @property (nonatomic, strong) UISegmentedControl * segmentedControl;
16 | 
17 | @end
18 | 
19 | @implementation DemoPanel
20 | 
21 | - (instancetype)initWithFrame:(CGRect)frame
22 | {
23 |     if (self = [super initWithFrame:frame]) {
24 |         
25 |         self.layer.cornerRadius = 6.0;
26 |         self.layer.masksToBounds = YES;
27 |         
28 |         UIBlurEffect * blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];
29 |         _blurView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
30 |         
31 |         UIVisualEffectView * vibView = [[UIVisualEffectView alloc] initWithEffect:[UIVibrancyEffect effectForBlurEffect:blurEffect]];
32 |         vibView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
33 |         [_blurView.contentView addSubview:vibView];
34 |         
35 |         [self addSubview:_blurView];
36 |         
37 |         [self addSubview:self.textLabel];
38 |         [vibView.contentView addSubview:self.segmentedControl];
39 |     }
40 |     return self;
41 | }
42 | 
43 | - (UILabel *)textLabel
44 | {
45 |     if (!_textLabel) {
46 |         _textLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 10, 10)];
47 |         _textLabel.font = [UIFont boldSystemFontOfSize:32];
48 |         _textLabel.textColor = [UIColor whiteColor];
49 |         _textLabel.textAlignment = NSTextAlignmentCenter;
50 |         _textLabel.numberOfLines = 2;
51 |     }
52 |     return _textLabel;
53 | }
54 | 
55 | - (UISegmentedControl *)segmentedControl
56 | {
57 |     if (!_segmentedControl) {
58 |         _segmentedControl = [[UISegmentedControl alloc] initWithItems:@[@"CoreML", @"Vision"]];
59 |         _segmentedControl.tintColor = [UIColor whiteColor];
60 |         _segmentedControl.selectedSegmentIndex = 0;
61 |     }
62 |     return _segmentedControl;
63 | }
64 | 
65 | - (void)setText:(NSString *)text
66 | {
67 |     _textLabel.text = text;
68 | }
69 | 
70 | - (NSString *)text
71 | {
72 |     return _textLabel.text;
73 | }
74 | 
75 | - (void)layoutSubviews
76 | {
77 |     [super layoutSubviews];
78 |     
79 |     _blurView.frame = self.bounds;
80 |     
81 |     CGRect labelFrame = self.bounds;
82 |     labelFrame.size.height = 100;
83 |     labelFrame = CGRectInset(labelFrame, 10, 10);
84 |     
85 |     _textLabel.frame = labelFrame;
86 |     
87 |     CGRect segmentFrame = self.bounds;
88 |     segmentFrame.size.height = 60;
89 |     segmentFrame.origin.y = 100;
90 |     segmentFrame = CGRectInset(segmentFrame, 10, 10);
91 |     
92 |     _segmentedControl.frame = segmentFrame;
93 | }
94 | 
95 | @end
96 | 


--------------------------------------------------------------------------------
/CoreMLDemo/FaceLandmarkView.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  FaceLandmarkView.h
 3 | //  CoreMLDemo
 4 | //
 5 | //  Created by wutian on 2017/6/26.
 6 | //  Copyright © 2017年 Weibo. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | #import <Vision/Vision.h>
11 | 
12 | @interface FaceLandmarkView : UIView
13 | 
14 | @property (nonatomic, strong) VNFaceObservation * observation;
15 | 
16 | @end
17 | 


--------------------------------------------------------------------------------
/CoreMLDemo/FaceLandmarkView.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  FaceLandmarkView.m
  3 | //  CoreMLDemo
  4 | //
  5 | //  Created by wutian on 2017/6/26.
  6 | //  Copyright © 2017年 Weibo. All rights reserved.
  7 | //
  8 | 
  9 | #import "FaceLandmarkView.h"
 10 | 
 11 | @implementation FaceLandmarkView
 12 | 
 13 | - (instancetype)initWithFrame:(CGRect)frame
 14 | {
 15 |     if (self = [super initWithFrame:frame]) {
 16 |         self.opaque = NO;
 17 |     }
 18 |     return self;
 19 | }
 20 | 
 21 | - (void)setObservation:(VNFaceObservation *)observation
 22 | {
 23 |     if (_observation != observation) {
 24 |         _observation = observation;
 25 |         
 26 |         [self setNeedsDisplay];
 27 |     }
 28 | }
 29 | 
 30 | - (void)drawFaceRegion:(VNFaceLandmarkRegion2D *)faceRegion boundingBox:(CGRect)boundingBox
 31 | {
 32 |     UIBezierPath * path = [[UIBezierPath alloc] init];
 33 |     
 34 |     const CGPoint * points = faceRegion.normalizedPoints;
 35 |     NSUInteger pointCount = faceRegion.pointCount;
 36 |     
 37 |     BOOL first = YES;
 38 |     
 39 |     for (NSUInteger i = 0; i < pointCount; i++) {
 40 |         CGPoint vector = points[i];
 41 |         CGPoint point = CGPointMake(vector.x, vector.y);
 42 |         
 43 |         point.x *= boundingBox.size.width;
 44 |         point.y *= boundingBox.size.height;
 45 |         
 46 |         point.x += boundingBox.origin.x;
 47 |         point.y += boundingBox.origin.y;
 48 |         
 49 |         if (first) {
 50 |             [path moveToPoint:point];
 51 |             first = NO;
 52 |         } else {
 53 |             [path addLineToPoint:point];
 54 |         }
 55 |     }
 56 |     
 57 |     [path closePath];
 58 |     
 59 |     [path setLineWidth:2];
 60 |     
 61 |     [path stroke];
 62 | }
 63 | 
 64 | - (void)drawRect:(CGRect)rect
 65 | {
 66 |     CGContextRef ctx = UIGraphicsGetCurrentContext();
 67 |     
 68 |     CGSize size = self.bounds.size;
 69 |     
 70 |     CGContextTranslateCTM(ctx, size.width, size.height);
 71 |     CGContextScaleCTM(ctx, -1, -1);
 72 |     
 73 |     CGRect bounding = _observation.boundingBox;
 74 |     bounding.origin.x *= size.width;
 75 |     bounding.origin.y *= size.height;
 76 |     
 77 |     bounding.size.width *= size.width;
 78 |     bounding.size.height *= size.height;
 79 |     
 80 |     UIBezierPath * path = [UIBezierPath bezierPathWithRect:bounding];
 81 |     [path setLineWidth:3];
 82 |     
 83 |     [[UIColor greenColor] setStroke];
 84 |     [path stroke];
 85 |     
 86 |     VNFaceLandmarks2D * landmarks = _observation.landmarks;
 87 |     
 88 |     [[UIColor whiteColor] setStroke];
 89 |     
 90 |     [self drawFaceRegion:landmarks.leftEyebrow boundingBox:bounding];
 91 |     [self drawFaceRegion:landmarks.rightEyebrow boundingBox:bounding];
 92 |     
 93 |     [[UIColor greenColor] setStroke];
 94 |     
 95 |     [self drawFaceRegion:landmarks.leftEye boundingBox:bounding];
 96 |     [self drawFaceRegion:landmarks.rightEye boundingBox:bounding];
 97 |     
 98 |     [[UIColor yellowColor] setStroke];
 99 |     
100 |     [self drawFaceRegion:landmarks.faceContour boundingBox:bounding];
101 |     
102 |     [self drawFaceRegion:landmarks.nose boundingBox:bounding];
103 |     [self drawFaceRegion:landmarks.noseCrest boundingBox:bounding];
104 |     [self drawFaceRegion:landmarks.medianLine boundingBox:bounding];
105 |     
106 |     [self drawFaceRegion:landmarks.leftPupil boundingBox:bounding];
107 |     [self drawFaceRegion:landmarks.rightPupil boundingBox:bounding];
108 |     
109 |     [[UIColor redColor] setStroke];
110 |     
111 |     [self drawFaceRegion:landmarks.outerLips boundingBox:bounding];
112 |     [self drawFaceRegion:landmarks.innerLips boundingBox:bounding];
113 | }
114 | 
115 | - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
116 | {
117 |     [super touchesBegan:touches withEvent:event];
118 |     self.alpha = 0.0;
119 | }
120 | 
121 | - (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
122 | {
123 |     [super touchesEnded:touches withEvent:event];
124 |     self.alpha = 1.0;
125 | }
126 | 
127 | - (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
128 | {
129 |     [super touchesCancelled:touches withEvent:event];
130 |     self.alpha = 1.0;
131 | }
132 | 
133 | @end
134 | 


--------------------------------------------------------------------------------
/CoreMLDemo/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>$(PRODUCT_NAME)</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>1.0</string>
19 | 	<key>CFBundleVersion</key>
20 | 	<string>1</string>
21 | 	<key>LSRequiresIPhoneOS</key>
22 | 	<true/>
23 | 	<key>NSCameraUsageDescription</key>
24 | 	<string>Use with CoreML</string>
25 | 	<key>UILaunchStoryboardName</key>
26 | 	<string>LaunchScreen</string>
27 | 	<key>UIMainStoryboardFile</key>
28 | 	<string>Main</string>
29 | 	<key>UIRequiredDeviceCapabilities</key>
30 | 	<array>
31 | 		<string>armv7</string>
32 | 	</array>
33 | 	<key>UISupportedInterfaceOrientations</key>
34 | 	<array>
35 | 		<string>UIInterfaceOrientationPortrait</string>
36 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
37 | 		<string>UIInterfaceOrientationLandscapeRight</string>
38 | 	</array>
39 | 	<key>UISupportedInterfaceOrientations~ipad</key>
40 | 	<array>
41 | 		<string>UIInterfaceOrientationPortrait</string>
42 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
43 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
44 | 		<string>UIInterfaceOrientationLandscapeRight</string>
45 | 	</array>
46 | </dict>
47 | </plist>
48 | 


--------------------------------------------------------------------------------
/CoreMLDemo/ViewController.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.h
 3 | //  CoreMLDemo
 4 | //
 5 | //  Created by wutian on 2017/6/26.
 6 | //  Copyright © 2017年 Weibo. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | 
11 | @interface ViewController : UIViewController
12 | 
13 | 
14 | @end
15 | 
16 | 


--------------------------------------------------------------------------------
/CoreMLDemo/ViewController.mm:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ViewController.m
  3 | //  CoreMLDemo
  4 | //
  5 | //  Created by wutian on 2017/6/26.
  6 | //  Copyright © 2017年 Weibo. All rights reserved.
  7 | //
  8 | 
  9 | #import "ViewController.h"
 10 | #import "DemoPanel.h"
 11 | #import <AVFoundation/AVFoundation.h>
 12 | #import <Vision/Vision.h>
 13 | #import "Resnet50.h"
 14 | #import "FaceLandmarkView.h"
 15 | 
 16 | #define let auto const
 17 | 
 18 | typedef NS_ENUM(NSInteger, VisionMode) {
 19 |     VisionModeCoreML = 0,
 20 |     VisionModeFaceLandmark,
 21 | };
 22 | 
 23 | @interface ViewController () <AVCaptureVideoDataOutputSampleBufferDelegate>
 24 | 
 25 | @property (nonatomic, strong) AVCaptureSession * session;
 26 | @property (nonatomic, strong) AVCaptureVideoPreviewLayer * previewLayer;
 27 | @property (nonatomic, strong) dispatch_queue_t captureQueue;
 28 | 
 29 | @property (nonatomic, strong) DemoPanel * demoPanel;
 30 | @property (nonatomic, strong) FaceLandmarkView * faceLandmarkView;
 31 | 
 32 | @property (nonatomic, strong) VNRequest * visionCoreMLRequest;
 33 | @property (nonatomic, strong) VNRequest * visionFaceLandmarkRequest;
 34 | 
 35 | @property (nonatomic, assign) VisionMode visionMode;
 36 | @property (nonatomic, strong) AVCaptureInput * currentInput;
 37 | @property (nonatomic, strong) AVCaptureOutput * currentOutput;
 38 | 
 39 | @property (nonatomic, strong) VNSequenceRequestHandler * sequenceRequestHandler;
 40 | 
 41 | @end
 42 | 
 43 | @implementation ViewController
 44 | 
 45 | - (void)viewDidLoad
 46 | {
 47 |     [super viewDidLoad];
 48 |     
 49 |     [self setupVisionRequests];
 50 |     
 51 |     _captureQueue = dispatch_queue_create("com.wutian.CaptureQueue", DISPATCH_QUEUE_SERIAL);
 52 |     
 53 |     _session = [[AVCaptureSession alloc] init];
 54 |     _previewLayer = [[AVCaptureVideoPreviewLayer alloc] initWithSession:_session];
 55 |     
 56 |     [self.view.layer addSublayer:_previewLayer];
 57 |     
 58 |     let videoOutput = [[AVCaptureVideoDataOutput alloc] init];
 59 |     [videoOutput setSampleBufferDelegate:self queue:_captureQueue];
 60 |     [videoOutput setAlwaysDiscardsLateVideoFrames:YES];
 61 |     [videoOutput setVideoSettings:@{(NSString *)kCVPixelBufferPixelFormatTypeKey: @(kCVPixelFormatType_32BGRA)}];
 62 |     
 63 |     _session.sessionPreset = AVCaptureSessionPresetHigh;
 64 |     
 65 |     _currentOutput = videoOutput;
 66 |     [_session addOutput:videoOutput];
 67 |     
 68 |     _visionMode = VisionModeFaceLandmark;
 69 |     self.visionMode = VisionModeCoreML;
 70 |     
 71 |     [_session startRunning];
 72 |     
 73 |     _faceLandmarkView = [[FaceLandmarkView alloc] initWithFrame:self.view.bounds];
 74 |     [self.view addSubview:_faceLandmarkView];
 75 |     
 76 |     _demoPanel = [[DemoPanel alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
 77 |     [_demoPanel.segmentedControl addTarget:self action:@selector(segmentedControlChanged:) forControlEvents:UIControlEventValueChanged];
 78 |     [self.view addSubview:_demoPanel];
 79 | }
 80 | 
 81 | - (void)viewWillLayoutSubviews
 82 | {
 83 |     _previewLayer.frame = self.view.bounds;
 84 |     
 85 |     CGFloat panelPadding = 10;
 86 |     CGFloat panelHeight = 160;
 87 |     CGFloat panelAreaHeight = panelHeight + 2 * panelPadding;
 88 |     
 89 |     CGRect panelArea = CGRectMake(0, self.view.bounds.size.height - panelAreaHeight, self.view.bounds.size.width, panelAreaHeight);
 90 |     
 91 |     _faceLandmarkView.frame = self.view.bounds;
 92 |     _demoPanel.frame = CGRectInset(panelArea, panelPadding, panelPadding);
 93 | }
 94 | 
 95 | - (void)setupVisionRequests
 96 | {
 97 |     let model = [Resnet50 new];
 98 |     
 99 |     let visionModel = [VNCoreMLModel modelForMLModel:model.model error:NULL];
100 |     
101 |     let classificationRequest = [[VNCoreMLRequest alloc] initWithModel:visionModel completionHandler:^(VNRequest * _Nonnull request, NSError * _Nullable error) {
102 |         
103 |         if (_visionMode != VisionModeCoreML) {
104 |             return;
105 |         }
106 |         
107 |         if (error) {
108 |             return NSLog(@"Failed: %@", error);
109 |         }
110 |         let observations = request.results;
111 |         if (!observations.count) {
112 |             return NSLog(@"No Results");
113 |         }
114 |         
115 |         VNClassificationObservation * observation = nil;
116 |         for (VNClassificationObservation * ob in observations) {
117 |             if (![ob isKindOfClass:[VNClassificationObservation class]]) {
118 |                 continue;
119 |             }
120 |             if (!observation) {
121 |                 observation = ob;
122 |                 continue;
123 |             }
124 |             if (observation.confidence < ob.confidence) {
125 |                 observation = ob;
126 |             }
127 |         }
128 |         
129 |         dispatch_async(dispatch_get_main_queue(), ^{
130 |             NSString * text = [NSString stringWithFormat:@"%@ (%.0f%%)", [[observation.identifier componentsSeparatedByString:@", "] firstObject], observation.confidence * 100];
131 |             _demoPanel.text = text;
132 |         });
133 |     }];
134 |     
135 |     _visionCoreMLRequest = classificationRequest;
136 |     
137 |     let faceRequest = [[VNDetectFaceLandmarksRequest alloc] initWithCompletionHandler:^(VNRequest * _Nonnull request, NSError * _Nullable error) {
138 |         
139 |         if (_visionMode != VisionModeFaceLandmark) {
140 |             return;
141 |         }
142 |         
143 |         void (^finish)(VNFaceObservation *, NSString *) = ^(VNFaceObservation * ob, NSString * text) {
144 |             dispatch_async(dispatch_get_main_queue(), ^{
145 |                 _faceLandmarkView.observation = ob;
146 |                 _demoPanel.text = text;
147 |             });
148 |         };
149 |         
150 |         if (error) {
151 |             return finish(nil, error.description);
152 |         }
153 |         let observations = request.results;
154 |         if (!observations.count) {
155 |             return finish(nil, @"未识别人脸");
156 |         }
157 |         
158 |         VNFaceObservation * observation = nil;
159 |         for (VNFaceObservation * ob in observations) {
160 |             if (![ob isKindOfClass:[VNFaceObservation class]]) {
161 |                 continue;
162 |             }
163 |             if (!observation) {
164 |                 observation = ob;
165 |                 continue;
166 |             }
167 |             if (observation.confidence < ob.confidence) {
168 |                 observation = ob;
169 |             }
170 |         }
171 |         
172 |         finish(observation, [NSString stringWithFormat:@"(%.0f%%)", observation.confidence * 100]);
173 |     }];
174 |     
175 |     _visionFaceLandmarkRequest = faceRequest;
176 | }
177 | 
178 | - (AVCaptureDevice *)deviceWithPosition:(AVCaptureDevicePosition)position
179 | {
180 |     return [AVCaptureDevice defaultDeviceWithDeviceType:AVCaptureDeviceTypeBuiltInWideAngleCamera mediaType:AVMediaTypeVideo position:position];
181 | }
182 | 
183 | - (void)setVisionMode:(VisionMode)visionMode
184 | {
185 |     if (_visionMode != visionMode) {
186 |         _visionMode = visionMode;
187 |         
188 |         [_session beginConfiguration];
189 |         
190 |         if (_currentInput) {
191 |             [_session removeInput:_currentInput];
192 |             _currentInput = nil;
193 |         }
194 |         
195 |         let camera = [self deviceWithPosition:(visionMode == VisionModeFaceLandmark) ? AVCaptureDevicePositionFront : AVCaptureDevicePositionBack];
196 |         let cameraInput = [AVCaptureDeviceInput deviceInputWithDevice:camera error:NULL];
197 |         _currentInput = cameraInput;
198 |         [_session addInput:cameraInput];
199 |         
200 |         let conn = [_currentOutput connectionWithMediaType:AVMediaTypeVideo];
201 |         conn.videoOrientation = AVCaptureVideoOrientationPortrait;
202 |         
203 |         [_session commitConfiguration];
204 |     }
205 | }
206 | 
207 | - (void)captureOutput:(AVCaptureOutput *)output didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection
208 | {
209 |     let pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer);
210 |     if (!pixelBuffer) {
211 |         return;
212 |     }
213 |     
214 |     AVCaptureInput * input = connection.inputPorts.firstObject.input;
215 |     if (input != _currentInput) {
216 |         return;
217 |     }
218 |     
219 |     NSMutableDictionary * requestOptions = [NSMutableDictionary dictionary];
220 |     let cameraIntrinsicData = CMGetAttachment(sampleBuffer, kCMSampleBufferAttachmentKey_CameraIntrinsicMatrix, nil);
221 |     if (cameraIntrinsicData) {
222 |         requestOptions[VNImageOptionCameraIntrinsics] = (__bridge NSData *)cameraIntrinsicData;
223 |     }
224 |     
225 |     if (!_sequenceRequestHandler) {
226 |         _sequenceRequestHandler = [[VNSequenceRequestHandler alloc] init];
227 |     }
228 |     
229 |     [_sequenceRequestHandler performRequests:(_visionMode == VisionModeFaceLandmark) ? @[_visionFaceLandmarkRequest] : @[_visionCoreMLRequest] onCVPixelBuffer:pixelBuffer error:NULL];
230 | }
231 | 
232 | - (void)segmentedControlChanged:(id)sender
233 | {
234 |     self.visionMode = (VisionMode)_demoPanel.segmentedControl.selectedSegmentIndex;
235 |     self.demoPanel.text = @"初始化...";
236 |     self.faceLandmarkView.observation = nil;
237 |     _sequenceRequestHandler = nil;
238 | }
239 | 
240 | @end
241 | 


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/CoreMLDemo/main.m:
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 1 | //
 2 | //  main.m
 3 | //  CoreMLDemo
 4 | //
 5 | //  Created by wutian on 2017/6/26.
 6 | //  Copyright © 2017年 Weibo. All rights reserved.
 7 | //
 8 | 
 9 | #import <UIKit/UIKit.h>
10 | #import "AppDelegate.h"
11 | 
12 | int main(int argc, char * argv[]) {
13 |     @autoreleasepool {
14 |         return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
15 |     }
16 | }
17 | 


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/README.md:
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 1 | # Demo for CoreML and Vision framework
 2 | 
 3 | ![Intro Image](intro.gif)
 4 | 
 5 | ## Usage
 6 | 
 7 | - Download ResNet50 model file from https://developer.apple.com/machine-learning/
 8 | - Clone this project
 9 | - Place the `Resnet50.mlmodel` file at root of CoreMLDemo folder
10 | - Build and Run
11 | 
12 | 
13 | 
14 | 


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/intro.gif:
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https://raw.githubusercontent.com/Naituw/CoreMLDemo/fcb0edf112f0f620a2a3ba9b071c57e171a59a0d/intro.gif


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