├── .gitignore
├── LICENSE
├── OpenCV.xcodeproj
├── project.pbxproj
└── project.xcworkspace
│ └── contents.xcworkspacedata
├── OpenCV
├── AppDelegate.swift
├── Assets.xcassets
│ └── AppIcon.appiconset
│ │ └── Contents.json
├── Base.lproj
│ └── LaunchScreen.storyboard
├── Classes
│ ├── CameraController.swift
│ ├── ImageController.swift
│ ├── OpenCVWrapper.h
│ └── OpenCVWrapper.mm
├── Images
│ ├── lena.png
│ └── mandrill.png
├── Info.plist
└── OpenCV-Bridging-Header.h
└── README.md
/.gitignore:
--------------------------------------------------------------------------------
1 | # Xcode
2 | #
3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
4 |
5 | ## Frameworks
6 |
7 | OpenCV/Frameworks
8 |
9 | ## Build generated
10 | build/
11 | DerivedData/
12 |
13 | ## Various settings
14 | *.pbxuser
15 | !default.pbxuser
16 | *.mode1v3
17 | !default.mode1v3
18 | *.mode2v3
19 | !default.mode2v3
20 | *.perspectivev3
21 | !default.perspectivev3
22 | xcuserdata/
23 |
24 | ## Other
25 | *.moved-aside
26 | *.xcuserstate
27 |
28 | ## Obj-C/Swift specific
29 | *.hmap
30 | *.ipa
31 | *.dSYM.zip
32 | *.dSYM
33 |
34 | ## Playgrounds
35 | timeline.xctimeline
36 | playground.xcworkspace
37 |
38 | # Swift Package Manager
39 | #
40 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
41 | # Packages/
42 | .build/
43 |
44 | # CocoaPods
45 | #
46 | # We recommend against adding the Pods directory to your .gitignore. However
47 | # you should judge for yourself, the pros and cons are mentioned at:
48 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
49 | #
50 | # Pods/
51 |
52 | # Carthage
53 | #
54 | # Add this line if you want to avoid checking in source code from Carthage dependencies.
55 | # Carthage/Checkouts
56 |
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://github.com/fastlane/fastlane/blob/master/fastlane/docs/Gitignore.md
65 |
66 | fastlane/report.xml
67 | fastlane/Preview.html
68 | fastlane/screenshots
69 | fastlane/test_output
70 |
--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
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522 | the scope of its coverage, prohibits the exercise of, or is
523 | conditioned on the non-exercise of one or more of the rights that are
524 | specifically granted under this License. You may not convey a covered
525 | work if you are a party to an arrangement with a third party that is
526 | in the business of distributing software, under which you make payment
527 | to the third party based on the extent of your activity of conveying
528 | the work, and under which the third party grants, to any of the
529 | parties who would receive the covered work from you, a discriminatory
530 | patent license (a) in connection with copies of the covered work
531 | conveyed by you (or copies made from those copies), or (b) primarily
532 | for and in connection with specific products or compilations that
533 | contain the covered work, unless you entered into that arrangement,
534 | or that patent license was granted, prior to 28 March 2007.
535 |
536 | Nothing in this License shall be construed as excluding or limiting
537 | any implied license or other defenses to infringement that may
538 | otherwise be available to you under applicable patent law.
539 |
540 | 12. No Surrender of Others' Freedom.
541 |
542 | If conditions are imposed on you (whether by court order, agreement or
543 | otherwise) that contradict the conditions of this License, they do not
544 | excuse you from the conditions of this License. If you cannot convey a
545 | covered work so as to satisfy simultaneously your obligations under this
546 | License and any other pertinent obligations, then as a consequence you may
547 | not convey it at all. For example, if you agree to terms that obligate you
548 | to collect a royalty for further conveying from those to whom you convey
549 | the Program, the only way you could satisfy both those terms and this
550 | License would be to refrain entirely from conveying the Program.
551 |
552 | 13. Use with the GNU Affero General Public License.
553 |
554 | Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work. The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 |
563 | 14. Revised Versions of this License.
564 |
565 | The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time. Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 |
570 | Each version is given a distinguishing version number. If the
571 | Program specifies that a certain numbered version of the GNU General
572 | Public License "or any later version" applies to it, you have the
573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation. If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 |
579 | If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 |
584 | Later license versions may give you additional or different
585 | permissions. However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 |
589 | 15. Disclaimer of Warranty.
590 |
591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 |
600 | 16. Limitation of Liability.
601 |
602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 |
612 | 17. Interpretation of Sections 15 and 16.
613 |
614 | If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 |
621 | END OF TERMS AND CONDITIONS
622 |
623 | How to Apply These Terms to Your New Programs
624 |
625 | If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 |
629 | To do so, attach the following notices to the program. It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 |
634 | {one line to give the program's name and a brief idea of what it does.}
635 | Copyright (C) {year} {name of author}
636 |
637 | This program is free software: you can redistribute it and/or modify
638 | it under the terms of the GNU General Public License as published by
639 | the Free Software Foundation, either version 3 of the License, or
640 | (at your option) any later version.
641 |
642 | This program is distributed in the hope that it will be useful,
643 | but WITHOUT ANY WARRANTY; without even the implied warranty of
644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
645 | GNU General Public License for more details.
646 |
647 | You should have received a copy of the GNU General Public License
648 | along with this program. If not, see .
649 |
650 | Also add information on how to contact you by electronic and paper mail.
651 |
652 | If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 |
655 | {project} Copyright (C) {year} {fullname}
656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 | This is free software, and you are welcome to redistribute it
658 | under certain conditions; type `show c' for details.
659 |
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License. Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 |
664 | You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | .
668 |
669 | The GNU General Public License does not permit incorporating your program
670 | into proprietary programs. If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library. If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License. But first, please read
674 | .
675 |
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346 | defaultConfigurationName = Release;
347 | };
348 | 17769AFC1EB69B86004C3F13 /* Build configuration list for PBXNativeTarget "OpenCV" */ = {
349 | isa = XCConfigurationList;
350 | buildConfigurations = (
351 | 17769AFD1EB69B86004C3F13 /* Debug */,
352 | 17769AFE1EB69B86004C3F13 /* Release */,
353 | );
354 | defaultConfigurationIsVisible = 0;
355 | defaultConfigurationName = Release;
356 | };
357 | /* End XCConfigurationList section */
358 | };
359 | rootObject = 17769AE21EB69B86004C3F13 /* Project object */;
360 | }
361 |
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/OpenCV.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
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1 |
2 |
4 |
6 |
7 |
8 |
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/OpenCV/AppDelegate.swift:
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1 | //
2 | // AppDelegate.swift
3 | // OpenCV
4 | //
5 | // Created by Dmytro Nasyrov on 5/1/17.
6 | // Copyright © 2017 Pharos Production Inc. All rights reserved.
7 | //
8 |
9 | import UIKit
10 |
11 | @UIApplicationMain
12 | public final class AppDelegate: UIResponder, UIApplicationDelegate {
13 |
14 | // MARK: - Variables
15 |
16 | public var window: UIWindow?
17 |
18 | // MARK: - Life
19 |
20 | public func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
21 | window = UIWindow(frame: UIScreen.main.bounds)
22 | window!.rootViewController = ImageController()
23 | window!.makeKeyAndVisible()
24 |
25 | return true
26 | }
27 | }
28 |
29 |
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/OpenCV/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
1 | {
2 | "images" : [
3 | {
4 | "idiom" : "iphone",
5 | "size" : "29x29",
6 | "scale" : "2x"
7 | },
8 | {
9 | "idiom" : "iphone",
10 | "size" : "29x29",
11 | "scale" : "3x"
12 | },
13 | {
14 | "idiom" : "iphone",
15 | "size" : "40x40",
16 | "scale" : "2x"
17 | },
18 | {
19 | "idiom" : "iphone",
20 | "size" : "40x40",
21 | "scale" : "3x"
22 | },
23 | {
24 | "idiom" : "iphone",
25 | "size" : "60x60",
26 | "scale" : "2x"
27 | },
28 | {
29 | "idiom" : "iphone",
30 | "size" : "60x60",
31 | "scale" : "3x"
32 | }
33 | ],
34 | "info" : {
35 | "version" : 1,
36 | "author" : "xcode"
37 | }
38 | }
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/OpenCV/Base.lproj/LaunchScreen.storyboard:
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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 |
28 |
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/OpenCV/Classes/CameraController.swift:
--------------------------------------------------------------------------------
1 | //
2 | // CameraController.swift
3 | // OpenCV
4 | //
5 | // Created by Dmytro Nasyrov on 5/1/17.
6 | // Copyright © 2017 Pharos Production Inc. All rights reserved.
7 | //
8 |
9 | import UIKit
10 |
11 | public final class CameraController: UIViewController {
12 |
13 | }
14 |
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/OpenCV/Classes/ImageController.swift:
--------------------------------------------------------------------------------
1 | //
2 | // ImageController.swift
3 | // OpenCV
4 | //
5 | // Created by Dmytro Nasyrov on 5/1/17.
6 | // Copyright © 2017 Pharos Production Inc. All rights reserved.
7 | //
8 |
9 | import UIKit
10 |
11 | public final class ImageController: UIViewController {
12 |
13 | // MARK: - Variables
14 |
15 | lazy var mandrillImg = UIImage(named: "mandrill.png");
16 | lazy var sourceImgView: UIImageView = {
17 | let v = UIImageView(frame: .zero)
18 | v.contentMode = .scaleAspectFit
19 | v.isOpaque = true
20 | v.backgroundColor = UIColor.black
21 |
22 | return v
23 | }()
24 | lazy var resultImgView: UIImageView = {
25 | let v = UIImageView(frame: .zero)
26 | v.contentMode = .scaleAspectFit
27 | v.isOpaque = true
28 | v.backgroundColor = UIColor.black
29 |
30 | return v
31 | }()
32 |
33 | // MARK: - Life
34 |
35 | override public var prefersStatusBarHidden: Bool {
36 | return true
37 | }
38 |
39 | public override func loadView() {
40 | super.loadView()
41 |
42 | view.addSubview(sourceImgView)
43 | view.addSubview(resultImgView)
44 | }
45 |
46 | public override func viewWillLayoutSubviews() {
47 | super.viewWillLayoutSubviews()
48 |
49 | let width = view.bounds.width
50 | let height = view.bounds.height
51 |
52 | sourceImgView.frame = CGRect(x: 0.0, y: 0.0, width: width, height: ceil(height / 2.0))
53 |
54 | let sourceImgViewBottom = sourceImgView.frame.maxY;
55 | resultImgView.frame = CGRect(x: 0.0, y: sourceImgViewBottom, width: width, height: height - sourceImgViewBottom);
56 | }
57 |
58 | public override func viewDidLoad() {
59 | super.viewDidLoad()
60 |
61 | sourceImgView.image = mandrillImg;
62 | resultImgView.image = OpenCVWrapper.toGray(mandrillImg);
63 | }
64 | }
65 |
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/OpenCV/Classes/OpenCVWrapper.h:
--------------------------------------------------------------------------------
1 | //
2 | // OpenCVWrapper.h
3 | // OpenCV
4 | //
5 | // Created by Dmytro Nasyrov on 5/1/17.
6 | // Copyright © 2017 Pharos Production Inc. All rights reserved.
7 | //
8 |
9 | #import
10 |
11 | @interface OpenCVWrapper : NSObject
12 |
13 | + (UIImage *)toGray:(UIImage *)source;
14 |
15 | @end
16 |
--------------------------------------------------------------------------------
/OpenCV/Classes/OpenCVWrapper.mm:
--------------------------------------------------------------------------------
1 | //
2 | // OpenCVWrapper.m
3 | // OpenCV
4 | //
5 | // Created by Dmytro Nasyrov on 5/1/17.
6 | // Copyright © 2017 Pharos Production Inc. All rights reserved.
7 | //
8 |
9 | #ifdef __cplusplus
10 | #pragma clang diagnostic push
11 | #pragma clang diagnostic ignored "-Wdocumentation"
12 |
13 | #import
14 | #import "OpenCVWrapper.h"
15 |
16 | #pragma clang pop
17 | #endif
18 |
19 | using namespace std;
20 | using namespace cv;
21 |
22 | #pragma mark - Private Declarations
23 |
24 | @interface OpenCVWrapper ()
25 |
26 | #ifdef __cplusplus
27 |
28 | + (Mat)_grayFrom:(Mat)source;
29 | + (Mat)_matFrom:(UIImage *)source;
30 | + (UIImage *)_imageFrom:(Mat)source;
31 |
32 | #endif
33 |
34 | @end
35 |
36 | #pragma mark - OpenCVWrapper
37 |
38 | @implementation OpenCVWrapper
39 |
40 | #pragma mark Public
41 |
42 | + (UIImage *)toGray:(UIImage *)source {
43 | cout << "OpenCV: ";
44 | return [OpenCVWrapper _imageFrom:[OpenCVWrapper _grayFrom:[OpenCVWrapper _matFrom:source]]];
45 | }
46 |
47 | #pragma mark Private
48 |
49 | + (Mat)_grayFrom:(Mat)source {
50 | cout << "-> grayFrom ->";
51 |
52 | Mat result;
53 | cvtColor(source, result, CV_BGR2GRAY);
54 |
55 | return result;
56 | }
57 |
58 | + (Mat)_matFrom:(UIImage *)source {
59 | cout << "matFrom ->";
60 |
61 | CGImageRef image = CGImageCreateCopy(source.CGImage);
62 | CGFloat cols = CGImageGetWidth(image);
63 | CGFloat rows = CGImageGetHeight(image);
64 | Mat result(rows, cols, CV_8UC4);
65 |
66 | CGBitmapInfo bitmapFlags = kCGImageAlphaNoneSkipLast | kCGBitmapByteOrderDefault;
67 | size_t bitsPerComponent = 8;
68 | size_t bytesPerRow = result.step[0];
69 | CGColorSpaceRef colorSpace = CGImageGetColorSpace(image);
70 |
71 | CGContextRef context = CGBitmapContextCreate(result.data, cols, rows, bitsPerComponent, bytesPerRow, colorSpace, bitmapFlags);
72 | CGContextDrawImage(context, CGRectMake(0.0f, 0.0f, cols, rows), image);
73 | CGContextRelease(context);
74 |
75 | return result;
76 | }
77 |
78 | + (UIImage *)_imageFrom:(Mat)source {
79 | cout << "-> imageFrom\n";
80 |
81 | NSData *data = [NSData dataWithBytes:source.data length:source.elemSize() * source.total()];
82 | CGDataProviderRef provider = CGDataProviderCreateWithCFData((__bridge CFDataRef)data);
83 |
84 | CGBitmapInfo bitmapFlags = kCGImageAlphaNone | kCGBitmapByteOrderDefault;
85 | size_t bitsPerComponent = 8;
86 | size_t bytesPerRow = source.step[0];
87 | CGColorSpaceRef colorSpace = (source.elemSize() == 1 ? CGColorSpaceCreateDeviceGray() : CGColorSpaceCreateDeviceRGB());
88 |
89 | CGImageRef image = CGImageCreate(source.cols, source.rows, bitsPerComponent, bitsPerComponent * source.elemSize(), bytesPerRow, colorSpace, bitmapFlags, provider, NULL, false, kCGRenderingIntentDefault);
90 | UIImage *result = [UIImage imageWithCGImage:image];
91 |
92 | CGImageRelease(image);
93 | CGDataProviderRelease(provider);
94 | CGColorSpaceRelease(colorSpace);
95 |
96 | return result;
97 | }
98 |
99 | @end
100 |
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/OpenCV/Images/lena.png:
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https://raw.githubusercontent.com/dmytronasyrov/Swift-with-OpenCV/eef0c5e4c58a9799f8220a67f0ef4e5365d9f388/OpenCV/Images/lena.png
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/OpenCV/Images/mandrill.png:
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https://raw.githubusercontent.com/dmytronasyrov/Swift-with-OpenCV/eef0c5e4c58a9799f8220a67f0ef4e5365d9f388/OpenCV/Images/mandrill.png
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/OpenCV/Info.plist:
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1 |
2 |
3 |
4 |
5 | CFBundleDevelopmentRegion
6 | en
7 | CFBundleExecutable
8 | $(EXECUTABLE_NAME)
9 | CFBundleIdentifier
10 | $(PRODUCT_BUNDLE_IDENTIFIER)
11 | CFBundleInfoDictionaryVersion
12 | 6.0
13 | CFBundleName
14 | $(PRODUCT_NAME)
15 | CFBundlePackageType
16 | APPL
17 | CFBundleShortVersionString
18 | 1.0
19 | CFBundleVersion
20 | 1
21 | LSRequiresIPhoneOS
22 |
23 | UILaunchStoryboardName
24 | LaunchScreen
25 | UIRequiredDeviceCapabilities
26 |
27 | armv7
28 |
29 | UISupportedInterfaceOrientations
30 |
31 | UIInterfaceOrientationPortrait
32 | UIInterfaceOrientationLandscapeLeft
33 | UIInterfaceOrientationLandscapeRight
34 |
35 |
36 |
37 |
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/OpenCV/OpenCV-Bridging-Header.h:
--------------------------------------------------------------------------------
1 |
2 | #import "OpenCVWrapper.h"
3 |
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/README.md:
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1 | By [Dmytro Nasyrov, Founder, CTO at Pharos Production Inc.](https://www.linkedin.com/in/dmytronasyrov/)
2 | And [Pharos Production Inc. - Web3, blockchain, fintech, defi software development services](https://pharosproduction.com)
3 |
4 | # Swift-with-OpenCV
5 | Demo project that shows how to add OpenCV into swift iOS app. You can find more details at Medium:
6 | [Using OpenCV in a Swift project](https://medium.com/pharos-production/using-opencv-in-a-swift-project-679868e1b798)
7 |
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