{"id":298566,"date":"2020-02-12T09:00:29","date_gmt":"2020-02-12T09:00:29","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=298566"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=298566","title":{"rendered":"\u0421\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0438 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u0435 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u043d\u0430 \u043d\u0438\u0445 (\u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e VisionKit \u0438 Vision Framework)"},"content":{"rendered":"\n<div class=\"post__text post__text-html\" id=\"post-content-body\" data-io-article-url=\"https:\/\/habr.com\/ru\/post\/487868\/\">\u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u0431\u0443\u0434\u0435\u043c \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0438 \u0432\u044b\u0432\u043e\u0434\u0438\u0442\u044c \u043d\u0430 \u044d\u043a\u0440\u0430\u043d \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u043d\u043d\u044b\u0439 \u0442\u0435\u043a\u0441\u0442 \u0432 \u044d\u0442\u043e\u043c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0435. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043d\u0430\u043c \u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041c\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c <i>VisionKit Framework<\/i> \u0434\u043b\u044f \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 \u0438 <i>Vision Framework<\/i> \u0434\u043b\u044f \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u0442\u0435\u043a\u0441\u0442\u043e\u0432.<\/p>\n<p>  \u0414\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u043e \u0443\u0431\u0435\u0434\u0438\u0442\u0435\u0441\u044c \u0447\u0442\u043e \u0443 \u0432\u0430\u0441 \u0441\u0442\u043e\u0438\u0442 <i>Xcode 11<\/i> \u0438 <i>iOS 13<\/i>, \u043f\u043e\u0442\u043e\u043c \u0441\u043e\u0437\u0434\u0430\u0439\u0442\u0435 \u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442.<\/p>\n<p>  \u0421\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u043e\u0432\u0435\u0440\u0448\u0438\u043c \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0432\u0438\u0434\u0435\u043e \u043a\u0430\u043c\u0435\u0440\u044b. \u0417\u043d\u0430\u0447\u0438\u0442 \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c <i>NSCameraUsageDescription<\/i> \u0432 <i>Info.plist<\/i>, \u0431\u0435\u0437 \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0431\u0443\u0434\u0435\u0442 \u043a\u0440\u0430\u0448\u0438\u0442\u0441\u044f.<\/p>\n<p>  <img decoding=\"async\" src=\"https:\/\/habrastorage.org\/webt\/af\/xz\/dm\/afxzdmwf5kjvnhhsokgo2asoqhu.png\"><br \/>  <a name=\"habracut\"><\/a>  <\/p>\n<h2>\u0421\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435<\/h2>\n<p>  \u0414\u043b\u044f \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u043c\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c <i>VisionKit Framework<\/i>. \u0427\u0442\u043e\u0431\u044b \u043e\u0442\u043a\u0440\u044b\u0442\u044c \u044d\u043a\u0440\u0430\u043d \u0434\u043b\u044f \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u043d\u0430\u043c \u043d\u0430\u0434\u043e \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043d\u043e\u0432\u044b\u0439 \u043e\u0431\u0440\u0430\u0437\u0435\u0446 \u0438\u0437 <i>VNDocumentCameraViewController<\/i> \u0438 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u044c \u044d\u0442\u043e:<\/p>\n<pre><code class=\"swift\">let scanner = VNDocumentCameraViewController() scanner.delegate = self present(scanner, animated: true) <\/code><\/pre>\n<p>  \u0414\u043e\u0431\u0430\u0432\u044c\u0442\u0435 VNDocumentCameraViewControllerDelegate \u0432 ViewController: <\/p>\n<pre><code class=\"swift\">class ViewController: UIViewController, VNDocumentCameraViewControllerDelegate { ...<\/code><\/pre>\n<p>  \u041a\u043e\u0433\u0434\u0430 \u043d\u0430\u0436\u0438\u043c\u0430\u0435\u043c \u043e\u0442\u043c\u0435\u043d\u0443 \u0438\u043b\u0438 \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u043e\u0448\u0438\u0431\u043a\u0443, \u043d\u0443\u0436\u043d\u043e \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 \u044d\u043a\u0440\u0430\u043d:<\/p>\n<pre><code class=\"swift\">func documentCameraViewControllerDidCancel(_ controller: VNDocumentCameraViewController) {   controller.dismiss(animated: true) }  func documentCameraViewController(_ controller: VNDocumentCameraViewController, didFailWithError error: Error) {   controller.dismiss(animated: true) }<\/code><\/pre>\n<p>  \u041a\u043e\u0433\u0434\u0430 \u043e\u0442\u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u0438 \u043d\u0430\u0436\u0430\u043b\u0438 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u044c, \u0441\u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043c\u0435\u0442\u043e\u0434:<\/p>\n<pre><code class=\"swift\">func documentCameraViewController(_ controller: VNDocumentCameraViewController, didFinishWith scan: VNDocumentCameraScan) {   for i in 0 ..&lt; scan.pageCount {     let img = scan.imageOfPage(at: i)     \/\/ recognizeText(inImage: img)   }   controller.dismiss(animated: true) }<\/code><\/pre>\n<p>  \u041a\u0430\u0436\u0434\u0443\u044e \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0443 \u043c\u043e\u0436\u043d\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043f\u043e \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438.<\/p>\n<h2>\u0420\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u0435 \u0442\u0435\u043a\u0441\u0442\u043e\u0432<\/h2>\n<p>  \u0421\u043e \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0440\u0430\u0437\u043e\u0431\u0440\u0430\u043b\u0438\u0441\u044c, \u0442\u0435\u043f\u0435\u0440\u044c \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0438\u0437\u0432\u043b\u0435\u0447\u0435\u043c \u0442\u0435\u043a\u0441\u0442 \u0438\u0437 \u043e\u0442\u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0440\u0438\u0441\u0443\u043d\u043a\u043e\u0432. <\/p>\n<p>  \u0427\u0442\u043e\u0431\u044b \u0432\u0441\u0435 \u043f\u043e\u0448\u043b\u043e \u043f\u043b\u0430\u0432\u043d\u043e, \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u0435 \u0431\u0443\u0434\u0435\u043c \u0434\u0435\u043b\u0430\u0442\u044c \u0432 \u0437\u0430\u0434\u043d\u0435\u043c \u043f\u043b\u0430\u043d\u0435. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043d\u0443\u0436\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u0442\u044c <i>DispatchQueue<\/i>: <\/p>\n<pre><code class=\"swift\">lazy var workQueue = {   return DispatchQueue(label: &quot;workQueue&quot;, qos: .userInitiated, attributes: [], autoreleaseFrequency: .workItem) }() <\/code><\/pre>\n<p>  \u0414\u043b\u044f \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u043c \u043d\u0443\u0436\u0435\u043d <i>VNImageRequestHandler<\/i> \u0441 \u043a\u0430\u0440\u0442\u0438\u043d\u043a\u043e\u0439 \u0438 <i>VNRecognizeTextRequest<\/i> \u0441 \u043e\u043f\u0446\u0438\u044f\u043c\u0438 \u043a\u0430\u043a <i>recognitionLevel, customWords, recognitionLanguages<\/i>, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u0430\u0441\u0442 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0432 \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u043e\u043c \u0432\u0438\u0434\u0435. \u041f\u0440\u0438 \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0438, \u0441\u043e\u0431\u0438\u0440\u0430\u0435\u043c \u0441\u0430\u043c\u044b\u0435 \u043b\u0443\u0447\u0448\u0438\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0442\u0435\u043a\u0441\u0442\u043e\u0432 \u0438 \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u043c \u043d\u0430 \u044d\u043a\u0440\u0430\u043d\u0435:<\/p>\n<pre><code class=\"swift\">lazy var textRecognitionRequest: VNRecognizeTextRequest = {     let req = VNRecognizeTextRequest { (request, error) in         guard let observations = request.results as? [VNRecognizedTextObservation] else { return }                  var resultText = &quot;&quot;         for observation in observations {             guard let topCandidate = observation.topCandidates(1).first else { return }             resultText += topCandidate.string             resultText += &quot;\\n&quot;         }                  DispatchQueue.main.async {             self.txt.text = resultText         }     }     return req }()<\/code><\/pre>\n<p>  <i>VNImageRequestHandler<\/i>:<\/p>\n<pre><code class=\"swift\">func recognizeText(inImage: UIImage) {     guard let cgImage = inImage.cgImage else { return }          workQueue.async {         let requestHandler = VNImageRequestHandler(cgImage: cgImage, options: [:])         do {             try requestHandler.perform([self.textRecognitionRequest])         } catch {             print(error)         }     } }<\/code><\/pre>\n<p>  <\/p>\n<h2>\u041f\u043e\u0441\u043b\u0435\u0434\u043d\u044f\u044f \u0432\u0435\u0440\u0441\u0438\u044f <i>ViewController<\/i><\/h2>\n<p>  <\/p>\n<pre><code class=\"swift\">import UIKit import Vision import VisionKit  class ViewController: UIViewController, VNDocumentCameraViewControllerDelegate {     @IBOutlet weak var txt: UITextView!          lazy var workQueue = {         return DispatchQueue(label: &quot;workQueue&quot;, qos: .userInitiated, attributes: [], autoreleaseFrequency: .workItem)     }()          lazy var textRecognitionRequest: VNRecognizeTextRequest = {         let req = VNRecognizeTextRequest { (request, error) in             guard let observations = request.results as? [VNRecognizedTextObservation] else { return }                          var resultText = &quot;&quot;             for observation in observations {                 guard let topCandidate = observation.topCandidates(1).first else { return }                 resultText += topCandidate.string                 resultText += &quot;\\n&quot;             }                          DispatchQueue.main.async {                 self.txt.text = self.txt.text + &quot;\\n&quot; + resultText             }         }         return req     }()      @IBAction func startScan(_ sender: Any) {         txt.text = &quot;&quot;                  let scanner = VNDocumentCameraViewController()         scanner.delegate = self         present(scanner, animated: true)     }          func recognizeText(inImage: UIImage) {         guard let cgImage = inImage.cgImage else { return }                  workQueue.async {             let requestHandler = VNImageRequestHandler(cgImage: cgImage, options: [:])             do {                 try requestHandler.perform([self.textRecognitionRequest])             } catch {                 print(error)             }         }     }          \/\/ MARK: - Document Camera VC Delegate          func documentCameraViewController(_ controller: VNDocumentCameraViewController, didFinishWith scan: VNDocumentCameraScan) {         for i in 0 ..&lt; scan.pageCount {             let img = scan.imageOfPage(at: i)             recognizeText(inImage: img)         }                  controller.dismiss(animated: true)     }          func documentCameraViewControllerDidCancel(_ controller: VNDocumentCameraViewController) {         controller.dismiss(animated: true)     }          func documentCameraViewController(_ controller: VNDocumentCameraViewController, didFailWithError error: Error) {         print(error)         controller.dismiss(animated: true)     }      }<\/code><\/pre>\n<p>  <\/p>\n<h2>\u0427\u0442\u043e \u0434\u0430\u043b\u044c\u0448\u0435?<\/h2>\n<p>  \u0414\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044e \u043c\u043e\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u0437\u0434\u0435\u0441\u044c: <br \/>  <a href=\"https:\/\/developer.apple.com\/documentation\/vision\">developer.apple.com\/documentation\/vision<\/a><br \/>  <a href=\"https:\/\/developer.apple.com\/documentation\/visionkit\">developer.apple.com\/documentation\/visionkit<\/a><\/p>\n<p>  WWDC \u0432\u0438\u0434\u0435\u043e \u043f\u0440\u043e Speech framework:<br \/>  <a href=\"https:\/\/developer.apple.com\/videos\/all-videos\/?q=Vision\">developer.apple.com\/videos\/all-videos\/?q=Vision<\/a><\/p>\n<p>  \u0421\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 github \u043f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0437\u0434\u0435\u0441\u044c: <br \/>  <a href=\"https:\/\/github.com\/usenbekov\/vision-demo\">github.com\/usenbekov\/vision-demo<\/a><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/487868\/\"> https:\/\/habr.com\/ru\/post\/487868\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\n<div class=\"post__text post__text-html\" id=\"post-content-body\" data-io-article-url=\"https:\/\/habr.com\/ru\/post\/487868\/\">\u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u0431\u0443\u0434\u0435\u043c \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0438 \u0432\u044b\u0432\u043e\u0434\u0438\u0442\u044c \u043d\u0430 \u044d\u043a\u0440\u0430\u043d \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u043d\u043d\u044b\u0439 \u0442\u0435\u043a\u0441\u0442 \u0432 \u044d\u0442\u043e\u043c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0435. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043d\u0430\u043c \u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041c\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c <i>VisionKit Framework<\/i> \u0434\u043b\u044f \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 \u0438 <i>Vision Framework<\/i> \u0434\u043b\u044f \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u0442\u0435\u043a\u0441\u0442\u043e\u0432.<\/p>\n<p>  \u0414\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u043e \u0443\u0431\u0435\u0434\u0438\u0442\u0435\u0441\u044c \u0447\u0442\u043e \u0443 \u0432\u0430\u0441 \u0441\u0442\u043e\u0438\u0442 <i>Xcode 11<\/i> \u0438 <i>iOS 13<\/i>, \u043f\u043e\u0442\u043e\u043c \u0441\u043e\u0437\u0434\u0430\u0439\u0442\u0435 \u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442.<\/p>\n<p>  \u0421\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u043e\u0432\u0435\u0440\u0448\u0438\u043c \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0432\u0438\u0434\u0435\u043e \u043a\u0430\u043c\u0435\u0440\u044b. \u0417\u043d\u0430\u0447\u0438\u0442 \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c <i>NSCameraUsageDescription<\/i> \u0432 <i>Info.plist<\/i>, \u0431\u0435\u0437 \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0431\u0443\u0434\u0435\u0442 \u043a\u0440\u0430\u0448\u0438\u0442\u0441\u044f.<\/p>\n<p>  <img decoding=\"async\" src=\"https:\/\/habrastorage.org\/webt\/af\/xz\/dm\/afxzdmwf5kjvnhhsokgo2asoqhu.png\">  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