質問編集履歴
7
誤字修正
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下記GitHubのページとQiitaのページを参照しましたが、OCRした文字情報がlabelResultsに表示されず、
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Xcode
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Xcodeのコンソールに表示されています。
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OCRをすると、「labelResults」テキストビューに、下記コードの「request.httpBody = data」以下が表示されます。
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画像を添付
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}
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```
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誤字修正
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```Swift
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import UIKit
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import SwiftyJSON
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class ViewController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
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let imagePicker = UIImagePickerController()
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let session = URLSession.shared
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@IBOutlet weak var imageView: UIImageView!
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@IBOutlet weak var spinner: UIActivityIndicatorView!
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@IBOutlet weak var labelResults: UITextView!
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@IBOutlet weak var faceResults: UITextView!
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var googleAPIKey = "YOUR_API_KEY"
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var googleURL: URL {
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return URL(string: "https://vision.googleapis.com/v1/images:annotate?key=(googleAPIKey)")!
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}
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@IBAction func loadImageButtonTapped(_ sender: UIButton) {
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imagePicker.allowsEditing = false
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imagePicker.sourceType = .photoLibrary
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present(imagePicker, animated: true, completion: nil)
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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// Do any additional setup after loading the view, typically from a nib.
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imagePicker.delegate = self
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labelResults.isHidden = true
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faceResults.isHidden = true
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spinner.hidesWhenStopped = true
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}
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93
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override func didReceiveMemoryWarning() {
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super.didReceiveMemoryWarning()
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98
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// Dispose of any resources that can be recreated.
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}
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}
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107
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/// Image processing
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extension ViewController {
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113
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func analyzeResults(_ dataToParse: Data) {
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// Update UI on the main thread
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DispatchQueue.main.async(execute: {
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// Use SwiftyJSON to parse results
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let json = JSON(data: dataToParse)
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let errorObj: JSON = json["error"]
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self.spinner.stopAnimating()
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self.imageView.isHidden = true
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self.labelResults.isHidden = false
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self.faceResults.isHidden = false
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143
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self.faceResults.text = ""
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145
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146
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+
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147
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// Check for errors
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148
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+
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149
|
+
if (errorObj.dictionaryValue != [:]) {
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150
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|
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151
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self.labelResults.text = "Error code (errorObj["code"]): (errorObj["message"])"
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152
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153
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} else {
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154
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+
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155
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// Parse the response
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156
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+
|
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157
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+
print(json)
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158
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+
|
|
159
|
+
let responses: JSON = json["responses"][0]
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160
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+
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161
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+
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162
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163
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+
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164
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+
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165
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// Get label annotations
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166
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|
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167
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let labelAnnotations: JSON = responses["textAnnotations"]
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168
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|
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169
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let numLabels: Int = labelAnnotations.count
|
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170
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+
|
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171
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var labels: Array<String> = []
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172
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173
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if numLabels > 0 {
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174
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175
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176
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|
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177
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+
var labelResultsText:String = "Labels found: "
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178
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+
|
|
179
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+
for index in 0..<1 {
|
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180
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+
|
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181
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let label = labelAnnotations[index]["description"].stringValue
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182
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|
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183
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labels.append(label)
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184
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|
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185
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}
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186
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|
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187
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for label in labels {
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188
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+
|
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189
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// if it's not the last item add a comma
|
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190
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+
|
|
191
|
+
if labels[labels.count - 1] != label {
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192
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|
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193
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labelResultsText += "(label), "
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194
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+
|
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195
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} else {
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196
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197
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labelResultsText += "(label)"
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198
|
+
|
|
199
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}
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|
200
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+
|
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201
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}
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202
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+
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203
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+
self.labelResults.text = labelResultsText
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205
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}
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206
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+
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207
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}
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208
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+
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209
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+
})
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210
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+
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211
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+
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212
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+
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213
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+
}
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214
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+
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215
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+
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216
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+
|
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217
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+
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
|
|
218
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+
|
|
219
|
+
if let pickedImage = info[UIImagePickerControllerOriginalImage] as? UIImage {
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220
|
+
|
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221
|
+
imageView.contentMode = .scaleAspectFit
|
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222
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+
|
|
223
|
+
imageView.isHidden = true // You could optionally display the image here by setting imageView.image = pickedImage
|
|
224
|
+
|
|
225
|
+
spinner.startAnimating()
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226
|
+
|
|
227
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+
faceResults.isHidden = true
|
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228
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+
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229
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+
labelResults.isHidden = true
|
|
230
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+
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231
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+
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232
|
+
|
|
233
|
+
// Base64 encode the image and create the request
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|
234
|
+
|
|
235
|
+
let binaryImageData = base64EncodeImage(pickedImage)
|
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236
|
+
|
|
237
|
+
createRequest(with: binaryImageData)
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|
238
|
+
|
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239
|
+
}
|
|
240
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+
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241
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+
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242
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+
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243
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+
dismiss(animated: true, completion: nil)
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244
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+
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245
|
+
}
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246
|
+
|
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247
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+
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248
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+
|
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249
|
+
func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
|
|
250
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+
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|
251
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+
dismiss(animated: true, completion: nil)
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|
252
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+
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253
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+
}
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254
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+
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255
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+
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256
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+
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|
257
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+
func resizeImage(_ imageSize: CGSize, image: UIImage) -> Data {
|
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258
|
+
|
|
259
|
+
UIGraphicsBeginImageContext(imageSize)
|
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260
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+
|
|
261
|
+
image.draw(in: CGRect(x: 0, y: 0, width: imageSize.width, height: imageSize.height))
|
|
262
|
+
|
|
263
|
+
let newImage = UIGraphicsGetImageFromCurrentImageContext()
|
|
264
|
+
|
|
265
|
+
let resizedImage = UIImagePNGRepresentation(newImage!)
|
|
266
|
+
|
|
267
|
+
UIGraphicsEndImageContext()
|
|
268
|
+
|
|
269
|
+
return resizedImage!
|
|
270
|
+
|
|
271
|
+
}
|
|
272
|
+
|
|
273
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+
}
|
|
274
|
+
|
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275
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+
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|
276
|
+
|
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277
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+
|
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278
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+
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279
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+
/// Networking
|
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280
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+
|
|
281
|
+
extension ViewController {
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|
282
|
+
|
|
283
|
+
func base64EncodeImage(_ image: UIImage) -> String {
|
|
284
|
+
|
|
285
|
+
var imagedata = UIImagePNGRepresentation(image)
|
|
286
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+
|
|
287
|
+
|
|
288
|
+
|
|
289
|
+
// Resize the image if it exceeds the 2MB API limit
|
|
290
|
+
|
|
291
|
+
if (imagedata?.count > 2097152) {
|
|
292
|
+
|
|
293
|
+
let oldSize: CGSize = image.size
|
|
294
|
+
|
|
295
|
+
let newSize: CGSize = CGSize(width: 800, height: oldSize.height / oldSize.width * 800)
|
|
296
|
+
|
|
297
|
+
imagedata = resizeImage(newSize, image: image)
|
|
298
|
+
|
|
299
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+
}
|
|
300
|
+
|
|
301
|
+
|
|
302
|
+
|
|
303
|
+
return imagedata!.base64EncodedString(options: .endLineWithCarriageReturn)
|
|
304
|
+
|
|
305
|
+
}
|
|
306
|
+
|
|
307
|
+
|
|
308
|
+
|
|
309
|
+
func createRequest(with imageBase64: String) {
|
|
310
|
+
|
|
311
|
+
// Create our request URL
|
|
312
|
+
|
|
313
|
+
|
|
314
|
+
|
|
315
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+
var request = URLRequest(url: googleURL)
|
|
316
|
+
|
|
317
|
+
request.httpMethod = "POST"
|
|
318
|
+
|
|
319
|
+
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
|
|
320
|
+
|
|
321
|
+
request.addValue(Bundle.main.bundleIdentifier ?? "", forHTTPHeaderField: "X-Ios-Bundle-Identifier")
|
|
322
|
+
|
|
323
|
+
|
|
324
|
+
|
|
325
|
+
// Build our API request
|
|
326
|
+
|
|
327
|
+
let jsonRequest = [
|
|
328
|
+
|
|
329
|
+
"requests": [
|
|
330
|
+
|
|
331
|
+
"image": [
|
|
332
|
+
|
|
333
|
+
"content": imageBase64
|
|
334
|
+
|
|
335
|
+
],
|
|
336
|
+
|
|
337
|
+
"features": [
|
|
338
|
+
|
|
339
|
+
[
|
|
340
|
+
|
|
341
|
+
"type": "TEXT_DETECTION",
|
|
342
|
+
|
|
343
|
+
"maxResults": 1
|
|
344
|
+
|
|
345
|
+
],
|
|
346
|
+
|
|
347
|
+
]
|
|
348
|
+
|
|
349
|
+
]
|
|
350
|
+
|
|
351
|
+
]
|
|
352
|
+
|
|
353
|
+
let jsonObject = JSON(jsonDictionary: jsonRequest)
|
|
354
|
+
|
|
355
|
+
|
|
356
|
+
|
|
357
|
+
// Serialize the JSON
|
|
358
|
+
|
|
359
|
+
guard let data = try? jsonObject.rawData() else {
|
|
360
|
+
|
|
361
|
+
return
|
|
362
|
+
|
|
363
|
+
}
|
|
364
|
+
|
|
365
|
+
|
|
366
|
+
|
|
367
|
+
request.httpBody = data
|
|
368
|
+
|
|
369
|
+
|
|
370
|
+
|
|
371
|
+
// Run the request on a background thread
|
|
372
|
+
|
|
373
|
+
DispatchQueue.global().async { self.runRequestOnBackgroundThread(request) }
|
|
374
|
+
|
|
375
|
+
}
|
|
376
|
+
|
|
377
|
+
|
|
378
|
+
|
|
379
|
+
func runRequestOnBackgroundThread(_ request: URLRequest) {
|
|
380
|
+
|
|
381
|
+
// run the request
|
|
382
|
+
|
|
383
|
+
|
|
384
|
+
|
|
385
|
+
let task: URLSessionDataTask = session.dataTask(with: request) { (data, response, error) in
|
|
386
|
+
|
|
387
|
+
guard let data = data, error == nil else {
|
|
388
|
+
|
|
389
|
+
print(error?.localizedDescription ?? "")
|
|
390
|
+
|
|
391
|
+
return
|
|
392
|
+
|
|
393
|
+
}
|
|
394
|
+
|
|
395
|
+
|
|
396
|
+
|
|
397
|
+
self.analyzeResults(data)
|
|
398
|
+
|
|
399
|
+
}
|
|
400
|
+
|
|
401
|
+
|
|
402
|
+
|
|
403
|
+
task.resume()
|
|
404
|
+
|
|
405
|
+
}
|
|
406
|
+
|
|
407
|
+
}
|
|
408
|
+
|
|
409
|
+
|
|
410
|
+
|
|
411
|
+
|
|
412
|
+
|
|
413
|
+
// FIXME: comparison operators with optionals were removed from the Swift Standard Libary.
|
|
414
|
+
|
|
415
|
+
// Consider refactoring the code to use the non-optional operators.
|
|
416
|
+
|
|
417
|
+
fileprivate func < <T : Comparable>(lhs: T?, rhs: T?) -> Bool {
|
|
418
|
+
|
|
419
|
+
switch (lhs, rhs) {
|
|
420
|
+
|
|
421
|
+
case let (l?, r?):
|
|
422
|
+
|
|
423
|
+
return l < r
|
|
424
|
+
|
|
425
|
+
case (nil, _?):
|
|
426
|
+
|
|
427
|
+
return true
|
|
428
|
+
|
|
429
|
+
default:
|
|
430
|
+
|
|
431
|
+
return false
|
|
432
|
+
|
|
433
|
+
}
|
|
434
|
+
|
|
435
|
+
}
|
|
436
|
+
|
|
437
|
+
|
|
438
|
+
|
|
439
|
+
// FIXME: comparison operators with optionals were removed from the Swift Standard Libary.
|
|
440
|
+
|
|
441
|
+
// Consider refactoring the code to use the non-optional operators.
|
|
442
|
+
|
|
443
|
+
fileprivate func > <T : Comparable>(lhs: T?, rhs: T?) -> Bool {
|
|
444
|
+
|
|
445
|
+
switch (lhs, rhs) {
|
|
446
|
+
|
|
447
|
+
case let (l?, r?):
|
|
448
|
+
|
|
449
|
+
return l > r
|
|
450
|
+
|
|
451
|
+
default:
|
|
452
|
+
|
|
453
|
+
return rhs < lhs
|
|
454
|
+
|
|
455
|
+
}
|
|
456
|
+
|
|
457
|
+
}
|
|
44
458
|
|
|
45
459
|
```
|
|
46
|
-
|
|
47
|
-
|
|
48
|
-
|
|
49
|
-
|
|
50
|
-
|
|
51
|
-
|
|
52
|
-
|
|
53
|
-
```Swift
|
|
54
|
-
|
|
55
|
-
|
|
56
|
-
|
|
57
|
-
import UIKit
|
|
58
|
-
|
|
59
|
-
import SwiftyJSON
|
|
60
|
-
|
|
61
|
-
|
|
62
|
-
|
|
63
|
-
|
|
64
|
-
|
|
65
|
-
class ViewController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
|
|
66
|
-
|
|
67
|
-
let imagePicker = UIImagePickerController()
|
|
68
|
-
|
|
69
|
-
let session = URLSession.shared
|
|
70
|
-
|
|
71
|
-
|
|
72
|
-
|
|
73
|
-
@IBOutlet weak var imageView: UIImageView!
|
|
74
|
-
|
|
75
|
-
@IBOutlet weak var spinner: UIActivityIndicatorView!
|
|
76
|
-
|
|
77
|
-
@IBOutlet weak var labelResults: UITextView!
|
|
78
|
-
|
|
79
|
-
@IBOutlet weak var faceResults: UITextView!
|
|
80
|
-
|
|
81
|
-
|
|
82
|
-
|
|
83
|
-
var googleAPIKey = "YOUR_API_KEY"
|
|
84
|
-
|
|
85
|
-
var googleURL: URL {
|
|
86
|
-
|
|
87
|
-
return URL(string: "https://vision.googleapis.com/v1/images:annotate?key=(googleAPIKey)")!
|
|
88
|
-
|
|
89
|
-
}
|
|
90
|
-
|
|
91
|
-
|
|
92
|
-
|
|
93
|
-
@IBAction func loadImageButtonTapped(_ sender: UIButton) {
|
|
94
|
-
|
|
95
|
-
imagePicker.allowsEditing = false
|
|
96
|
-
|
|
97
|
-
imagePicker.sourceType = .photoLibrary
|
|
98
|
-
|
|
99
|
-
|
|
100
|
-
|
|
101
|
-
present(imagePicker, animated: true, completion: nil)
|
|
102
|
-
|
|
103
|
-
}
|
|
104
|
-
|
|
105
|
-
|
|
106
|
-
|
|
107
|
-
override func viewDidLoad() {
|
|
108
|
-
|
|
109
|
-
super.viewDidLoad()
|
|
110
|
-
|
|
111
|
-
// Do any additional setup after loading the view, typically from a nib.
|
|
112
|
-
|
|
113
|
-
imagePicker.delegate = self
|
|
114
|
-
|
|
115
|
-
labelResults.isHidden = true
|
|
116
|
-
|
|
117
|
-
faceResults.isHidden = true
|
|
118
|
-
|
|
119
|
-
spinner.hidesWhenStopped = true
|
|
120
|
-
|
|
121
|
-
}
|
|
122
|
-
|
|
123
|
-
|
|
124
|
-
|
|
125
|
-
override func didReceiveMemoryWarning() {
|
|
126
|
-
|
|
127
|
-
super.didReceiveMemoryWarning()
|
|
128
|
-
|
|
129
|
-
// Dispose of any resources that can be recreated.
|
|
130
|
-
|
|
131
|
-
}
|
|
132
|
-
|
|
133
|
-
}
|
|
134
|
-
|
|
135
|
-
|
|
136
|
-
|
|
137
|
-
|
|
138
|
-
|
|
139
|
-
/// Image processing
|
|
140
|
-
|
|
141
|
-
extension ViewController {
|
|
142
|
-
|
|
143
|
-
|
|
144
|
-
|
|
145
|
-
func analyzeResults(_ dataToParse: Data) {
|
|
146
|
-
|
|
147
|
-
|
|
148
|
-
|
|
149
|
-
// Update UI on the main thread
|
|
150
|
-
|
|
151
|
-
DispatchQueue.main.async(execute: {
|
|
152
|
-
|
|
153
|
-
|
|
154
|
-
|
|
155
|
-
|
|
156
|
-
|
|
157
|
-
// Use SwiftyJSON to parse results
|
|
158
|
-
|
|
159
|
-
let json = JSON(data: dataToParse)
|
|
160
|
-
|
|
161
|
-
let errorObj: JSON = json["error"]
|
|
162
|
-
|
|
163
|
-
|
|
164
|
-
|
|
165
|
-
self.spinner.stopAnimating()
|
|
166
|
-
|
|
167
|
-
self.imageView.isHidden = true
|
|
168
|
-
|
|
169
|
-
self.labelResults.isHidden = false
|
|
170
|
-
|
|
171
|
-
self.faceResults.isHidden = false
|
|
172
|
-
|
|
173
|
-
self.faceResults.text = ""
|
|
174
|
-
|
|
175
|
-
|
|
176
|
-
|
|
177
|
-
// Check for errors
|
|
178
|
-
|
|
179
|
-
if (errorObj.dictionaryValue != [:]) {
|
|
180
|
-
|
|
181
|
-
self.labelResults.text = "Error code (errorObj["code"]): (errorObj["message"])"
|
|
182
|
-
|
|
183
|
-
} else {
|
|
184
|
-
|
|
185
|
-
// Parse the response
|
|
186
|
-
|
|
187
|
-
print(json)
|
|
188
|
-
|
|
189
|
-
let responses: JSON = json["responses"][0]
|
|
190
|
-
|
|
191
|
-
|
|
192
|
-
|
|
193
|
-
|
|
194
|
-
|
|
195
|
-
// Get label annotations
|
|
196
|
-
|
|
197
|
-
let labelAnnotations: JSON = responses["textAnnotations"]
|
|
198
|
-
|
|
199
|
-
let numLabels: Int = labelAnnotations.count
|
|
200
|
-
|
|
201
|
-
var labels: Array<String> = []
|
|
202
|
-
|
|
203
|
-
if numLabels > 0 {
|
|
204
|
-
|
|
205
|
-
|
|
206
|
-
|
|
207
|
-
var labelResultsText:String = "Labels found: "
|
|
208
|
-
|
|
209
|
-
for index in 0..<1 {
|
|
210
|
-
|
|
211
|
-
let label = labelAnnotations[index]["description"].stringValue
|
|
212
|
-
|
|
213
|
-
labels.append(label)
|
|
214
|
-
|
|
215
|
-
}
|
|
216
|
-
|
|
217
|
-
for label in labels {
|
|
218
|
-
|
|
219
|
-
// if it's not the last item add a comma
|
|
220
|
-
|
|
221
|
-
if labels[labels.count - 1] != label {
|
|
222
|
-
|
|
223
|
-
labelResultsText += "(label), "
|
|
224
|
-
|
|
225
|
-
} else {
|
|
226
|
-
|
|
227
|
-
labelResultsText += "(label)"
|
|
228
|
-
|
|
229
|
-
}
|
|
230
|
-
|
|
231
|
-
}
|
|
232
|
-
|
|
233
|
-
self.labelResults.text = labelResultsText
|
|
234
|
-
|
|
235
|
-
}
|
|
236
|
-
|
|
237
|
-
}
|
|
238
|
-
|
|
239
|
-
})
|
|
240
|
-
|
|
241
|
-
|
|
242
|
-
|
|
243
|
-
}
|
|
244
|
-
|
|
245
|
-
|
|
246
|
-
|
|
247
|
-
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : Any]) {
|
|
248
|
-
|
|
249
|
-
if let pickedImage = info[UIImagePickerControllerOriginalImage] as? UIImage {
|
|
250
|
-
|
|
251
|
-
imageView.contentMode = .scaleAspectFit
|
|
252
|
-
|
|
253
|
-
imageView.isHidden = true // You could optionally display the image here by setting imageView.image = pickedImage
|
|
254
|
-
|
|
255
|
-
spinner.startAnimating()
|
|
256
|
-
|
|
257
|
-
faceResults.isHidden = true
|
|
258
|
-
|
|
259
|
-
labelResults.isHidden = true
|
|
260
|
-
|
|
261
|
-
|
|
262
|
-
|
|
263
|
-
// Base64 encode the image and create the request
|
|
264
|
-
|
|
265
|
-
let binaryImageData = base64EncodeImage(pickedImage)
|
|
266
|
-
|
|
267
|
-
createRequest(with: binaryImageData)
|
|
268
|
-
|
|
269
|
-
}
|
|
270
|
-
|
|
271
|
-
|
|
272
|
-
|
|
273
|
-
dismiss(animated: true, completion: nil)
|
|
274
|
-
|
|
275
|
-
}
|
|
276
|
-
|
|
277
|
-
|
|
278
|
-
|
|
279
|
-
func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
|
|
280
|
-
|
|
281
|
-
dismiss(animated: true, completion: nil)
|
|
282
|
-
|
|
283
|
-
}
|
|
284
|
-
|
|
285
|
-
|
|
286
|
-
|
|
287
|
-
func resizeImage(_ imageSize: CGSize, image: UIImage) -> Data {
|
|
288
|
-
|
|
289
|
-
UIGraphicsBeginImageContext(imageSize)
|
|
290
|
-
|
|
291
|
-
image.draw(in: CGRect(x: 0, y: 0, width: imageSize.width, height: imageSize.height))
|
|
292
|
-
|
|
293
|
-
let newImage = UIGraphicsGetImageFromCurrentImageContext()
|
|
294
|
-
|
|
295
|
-
let resizedImage = UIImagePNGRepresentation(newImage!)
|
|
296
|
-
|
|
297
|
-
UIGraphicsEndImageContext()
|
|
298
|
-
|
|
299
|
-
return resizedImage!
|
|
300
|
-
|
|
301
|
-
}
|
|
302
|
-
|
|
303
|
-
}
|
|
304
|
-
|
|
305
|
-
|
|
306
|
-
|
|
307
|
-
|
|
308
|
-
|
|
309
|
-
/// Networking
|
|
310
|
-
|
|
311
|
-
extension ViewController {
|
|
312
|
-
|
|
313
|
-
func base64EncodeImage(_ image: UIImage) -> String {
|
|
314
|
-
|
|
315
|
-
var imagedata = UIImagePNGRepresentation(image)
|
|
316
|
-
|
|
317
|
-
|
|
318
|
-
|
|
319
|
-
// Resize the image if it exceeds the 2MB API limit
|
|
320
|
-
|
|
321
|
-
if (imagedata?.count > 2097152) {
|
|
322
|
-
|
|
323
|
-
let oldSize: CGSize = image.size
|
|
324
|
-
|
|
325
|
-
let newSize: CGSize = CGSize(width: 800, height: oldSize.height / oldSize.width * 800)
|
|
326
|
-
|
|
327
|
-
imagedata = resizeImage(newSize, image: image)
|
|
328
|
-
|
|
329
|
-
}
|
|
330
|
-
|
|
331
|
-
|
|
332
|
-
|
|
333
|
-
return imagedata!.base64EncodedString(options: .endLineWithCarriageReturn)
|
|
334
|
-
|
|
335
|
-
}
|
|
336
|
-
|
|
337
|
-
|
|
338
|
-
|
|
339
|
-
func createRequest(with imageBase64: String) {
|
|
340
|
-
|
|
341
|
-
// Create our request URL
|
|
342
|
-
|
|
343
|
-
|
|
344
|
-
|
|
345
|
-
var request = URLRequest(url: googleURL)
|
|
346
|
-
|
|
347
|
-
request.httpMethod = "POST"
|
|
348
|
-
|
|
349
|
-
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
|
|
350
|
-
|
|
351
|
-
request.addValue(Bundle.main.bundleIdentifier ?? "", forHTTPHeaderField: "X-Ios-Bundle-Identifier")
|
|
352
|
-
|
|
353
|
-
|
|
354
|
-
|
|
355
|
-
// Build our API request
|
|
356
|
-
|
|
357
|
-
let jsonRequest = [
|
|
358
|
-
|
|
359
|
-
"requests": [
|
|
360
|
-
|
|
361
|
-
"image": [
|
|
362
|
-
|
|
363
|
-
"content": imageBase64
|
|
364
|
-
|
|
365
|
-
],
|
|
366
|
-
|
|
367
|
-
"features": [
|
|
368
|
-
|
|
369
|
-
[
|
|
370
|
-
|
|
371
|
-
"type": "TEXT_DETECTION",
|
|
372
|
-
|
|
373
|
-
"maxResults": 1
|
|
374
|
-
|
|
375
|
-
],
|
|
376
|
-
|
|
377
|
-
]
|
|
378
|
-
|
|
379
|
-
]
|
|
380
|
-
|
|
381
|
-
]
|
|
382
|
-
|
|
383
|
-
let jsonObject = JSON(jsonDictionary: jsonRequest)
|
|
384
|
-
|
|
385
|
-
|
|
386
|
-
|
|
387
|
-
// Serialize the JSON
|
|
388
|
-
|
|
389
|
-
guard let data = try? jsonObject.rawData() else {
|
|
390
|
-
|
|
391
|
-
return
|
|
392
|
-
|
|
393
|
-
}
|
|
394
|
-
|
|
395
|
-
|
|
396
|
-
|
|
397
|
-
request.httpBody = data
|
|
398
|
-
|
|
399
|
-
|
|
400
|
-
|
|
401
|
-
// Run the request on a background thread
|
|
402
|
-
|
|
403
|
-
DispatchQueue.global().async { self.runRequestOnBackgroundThread(request) }
|
|
404
|
-
|
|
405
|
-
}
|
|
406
|
-
|
|
407
|
-
|
|
408
|
-
|
|
409
|
-
func runRequestOnBackgroundThread(_ request: URLRequest) {
|
|
410
|
-
|
|
411
|
-
// run the request
|
|
412
|
-
|
|
413
|
-
|
|
414
|
-
|
|
415
|
-
let task: URLSessionDataTask = session.dataTask(with: request) { (data, response, error) in
|
|
416
|
-
|
|
417
|
-
guard let data = data, error == nil else {
|
|
418
|
-
|
|
419
|
-
print(error?.localizedDescription ?? "")
|
|
420
|
-
|
|
421
|
-
return
|
|
422
|
-
|
|
423
|
-
}
|
|
424
|
-
|
|
425
|
-
|
|
426
|
-
|
|
427
|
-
self.analyzeResults(data)
|
|
428
|
-
|
|
429
|
-
}
|
|
430
|
-
|
|
431
|
-
|
|
432
|
-
|
|
433
|
-
task.resume()
|
|
434
|
-
|
|
435
|
-
}
|
|
436
|
-
|
|
437
|
-
}
|
|
438
|
-
|
|
439
|
-
|
|
440
|
-
|
|
441
|
-
|
|
442
|
-
|
|
443
|
-
// FIXME: comparison operators with optionals were removed from the Swift Standard Libary.
|
|
444
|
-
|
|
445
|
-
// Consider refactoring the code to use the non-optional operators.
|
|
446
|
-
|
|
447
|
-
fileprivate func < <T : Comparable>(lhs: T?, rhs: T?) -> Bool {
|
|
448
|
-
|
|
449
|
-
switch (lhs, rhs) {
|
|
450
|
-
|
|
451
|
-
case let (l?, r?):
|
|
452
|
-
|
|
453
|
-
return l < r
|
|
454
|
-
|
|
455
|
-
case (nil, _?):
|
|
456
|
-
|
|
457
|
-
return true
|
|
458
|
-
|
|
459
|
-
default:
|
|
460
|
-
|
|
461
|
-
return false
|
|
462
|
-
|
|
463
|
-
}
|
|
464
|
-
|
|
465
|
-
}
|
|
466
|
-
|
|
467
|
-
|
|
468
|
-
|
|
469
|
-
// FIXME: comparison operators with optionals were removed from the Swift Standard Libary.
|
|
470
|
-
|
|
471
|
-
// Consider refactoring the code to use the non-optional operators.
|
|
472
|
-
|
|
473
|
-
fileprivate func > <T : Comparable>(lhs: T?, rhs: T?) -> Bool {
|
|
474
|
-
|
|
475
|
-
switch (lhs, rhs) {
|
|
476
|
-
|
|
477
|
-
case let (l?, r?):
|
|
478
|
-
|
|
479
|
-
return l > r
|
|
480
|
-
|
|
481
|
-
default:
|
|
482
|
-
|
|
483
|
-
return rhs < lhs
|
|
484
|
-
|
|
485
|
-
}
|
|
486
|
-
|
|
487
|
-
}
|
|
488
|
-
|
|
489
|
-
```
|
4
誤字修正
test
CHANGED
|
@@ -1 +1 @@
|
|
|
1
|
-
|
|
1
|
+
SwiftでGoogle Vision APIを使用してOCRした文字情報をテキストビューに表示する方法
|
test
CHANGED
|
File without changes
|
3
テンプレートに合わせて記述
test
CHANGED
|
@@ -1 +1 @@
|
|
|
1
|
-
SwiftでGoogle Vision APIを使用してOCRした文字情報をテキストビューに表示する方法
|
|
1
|
+
teSwiftでGoogle Vision APIを使用してOCRした文字情報をテキストビューに表示する方法
|
test
CHANGED
|
@@ -1,3 +1,5 @@
|
|
|
1
|
+
### SwiftでGoogle Vision APIを使用してOCRした文字情報をテキストビューに表示する方法
|
|
2
|
+
|
|
1
3
|
画像の文字情報をOCRするiOSアプリを作成しています。
|
|
2
4
|
|
|
3
5
|
|
|
@@ -18,7 +20,39 @@
|
|
|
18
20
|
|
|
19
21
|
|
|
20
22
|
|
|
23
|
+
|
|
24
|
+
|
|
25
|
+
|
|
26
|
+
|
|
27
|
+
### 発生している問題・エラーメッセージ
|
|
28
|
+
|
|
29
|
+
|
|
30
|
+
|
|
31
|
+
画像の文字情報をOCRするiOSアプリを作成しています。
|
|
32
|
+
|
|
33
|
+
|
|
34
|
+
|
|
35
|
+
下記GitHubのページとQiitaのページを参照しましたが、OCRした文字情報がlabelResultsに表示されず、
|
|
36
|
+
|
|
37
|
+
Xcode上のログフィールドに表示されています。
|
|
38
|
+
|
|
39
|
+
OCRをすると、「labelResults」テキストビューに、下記コードの「request.httpBody = data」以下が表示されます。
|
|
40
|
+
|
|
41
|
+
どのようにすればよいかご教授いただけないでしょうか。
|
|
42
|
+
|
|
43
|
+
エラーメッセージ
|
|
44
|
+
|
|
45
|
+
```
|
|
46
|
+
|
|
47
|
+
|
|
48
|
+
|
|
49
|
+
|
|
50
|
+
|
|
51
|
+
|
|
52
|
+
|
|
21
|
-
```
|
|
53
|
+
```Swift
|
|
54
|
+
|
|
55
|
+
|
|
22
56
|
|
|
23
57
|
import UIKit
|
|
24
58
|
|
|
@@ -26,6 +60,8 @@
|
|
|
26
60
|
|
|
27
61
|
|
|
28
62
|
|
|
63
|
+
|
|
64
|
+
|
|
29
65
|
class ViewController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
|
|
30
66
|
|
|
31
67
|
let imagePicker = UIImagePickerController()
|
|
@@ -142,11 +178,7 @@
|
|
|
142
178
|
|
|
143
179
|
if (errorObj.dictionaryValue != [:]) {
|
|
144
180
|
|
|
145
|
-
self.labelResults.text = "Error code (errorObj["code"]):
|
|
181
|
+
self.labelResults.text = "Error code (errorObj["code"]): (errorObj["message"])"
|
|
146
|
-
|
|
147
|
-
\
|
|
148
|
-
|
|
149
|
-
```(errorObj["message"])"
|
|
150
182
|
|
|
151
183
|
} else {
|
|
152
184
|
|
|
@@ -158,71 +190,7 @@
|
|
|
158
190
|
|
|
159
191
|
|
|
160
192
|
|
|
161
|
-
|
|
193
|
+
|
|
162
|
-
|
|
163
|
-
// Get face annotations
|
|
164
|
-
|
|
165
|
-
let faceAnnotations: JSON = responses["faceAnnotations"]
|
|
166
|
-
|
|
167
|
-
if faceAnnotations != nil {
|
|
168
|
-
|
|
169
|
-
let emotions: Array<String> = ["joy", "sorrow", "surprise", "anger"]
|
|
170
|
-
|
|
171
|
-
|
|
172
|
-
|
|
173
|
-
let numPeopleDetected:Int = faceAnnotations.count
|
|
174
|
-
|
|
175
|
-
|
|
176
|
-
|
|
177
|
-
self.faceResults.text = "People detected: (numPeopleDetected)\n\nEmotions detected:\n"
|
|
178
|
-
|
|
179
|
-
|
|
180
|
-
|
|
181
|
-
var emotionTotals: [String: Double] = ["sorrow": 0, "joy": 0, "surprise": 0, "anger": 0]
|
|
182
|
-
|
|
183
|
-
var emotionLikelihoods: [String: Double] = ["VERY_LIKELY": 0.9, "LIKELY": 0.75, "POSSIBLE": 0.5, "UNLIKELY":0.25, "VERY_UNLIKELY": 0.0]
|
|
184
|
-
|
|
185
|
-
|
|
186
|
-
|
|
187
|
-
for index in 0..<numPeopleDetected {
|
|
188
|
-
|
|
189
|
-
let personData:JSON = faceAnnotations[index]
|
|
190
|
-
|
|
191
|
-
|
|
192
|
-
|
|
193
|
-
// Sum all the detected emotions
|
|
194
|
-
|
|
195
|
-
for emotion in emotions {
|
|
196
|
-
|
|
197
|
-
let lookup = emotion + "Likelihood"
|
|
198
|
-
|
|
199
|
-
let result:String = personData[lookup].stringValue
|
|
200
|
-
|
|
201
|
-
emotionTotals[emotion]! += emotionLikelihoods[result]!
|
|
202
|
-
|
|
203
|
-
}
|
|
204
|
-
|
|
205
|
-
}
|
|
206
|
-
|
|
207
|
-
// Get emotion likelihood as a % and display in UI
|
|
208
|
-
|
|
209
|
-
for (emotion, total) in emotionTotals {
|
|
210
|
-
|
|
211
|
-
let likelihood:Double = total / Double(numPeopleDetected)
|
|
212
|
-
|
|
213
|
-
let percent: Int = Int(round(likelihood * 100))
|
|
214
|
-
|
|
215
|
-
self.faceResults.text! += "(emotion): (percent)%\n"
|
|
216
|
-
|
|
217
|
-
}
|
|
218
|
-
|
|
219
|
-
} else {
|
|
220
|
-
|
|
221
|
-
self.faceResults.text = "No faces found"
|
|
222
|
-
|
|
223
|
-
}*/
|
|
224
|
-
|
|
225
|
-
|
|
226
194
|
|
|
227
195
|
// Get label annotations
|
|
228
196
|
|
|
@@ -266,12 +234,6 @@
|
|
|
266
234
|
|
|
267
235
|
}
|
|
268
236
|
|
|
269
|
-
//} else {
|
|
270
|
-
|
|
271
|
-
// self.labelResults.text = labelResultsText //"No labels found"
|
|
272
|
-
|
|
273
|
-
//}
|
|
274
|
-
|
|
275
237
|
}
|
|
276
238
|
|
|
277
239
|
})
|
2
コードの挿入
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -18,7 +18,9 @@
|
|
|
18
18
|
|
|
19
19
|
|
|
20
20
|
|
|
21
|
+
```ここに言語を入力
|
|
22
|
+
|
|
21
|
-
|
|
23
|
+
import UIKit
|
|
22
24
|
|
|
23
25
|
import SwiftyJSON
|
|
24
26
|
|
|
@@ -522,6 +524,4 @@
|
|
|
522
524
|
|
|
523
525
|
}
|
|
524
526
|
|
|
525
|
-
コード
|
|
526
|
-
|
|
527
527
|
```
|
1
コードの挿入
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -18,9 +18,7 @@
|
|
|
18
18
|
|
|
19
19
|
|
|
20
20
|
|
|
21
|
-
|
|
22
|
-
|
|
23
|
-
import UIKit
|
|
21
|
+
```import UIKit
|
|
24
22
|
|
|
25
23
|
import SwiftyJSON
|
|
26
24
|
|
|
@@ -142,7 +140,11 @@
|
|
|
142
140
|
|
|
143
141
|
if (errorObj.dictionaryValue != [:]) {
|
|
144
142
|
|
|
145
|
-
self.labelResults.text = "Error code (errorObj["code"]):
|
|
143
|
+
self.labelResults.text = "Error code (errorObj["code"]): ```ここに言語を入力
|
|
144
|
+
|
|
145
|
+
\
|
|
146
|
+
|
|
147
|
+
```(errorObj["message"])"
|
|
146
148
|
|
|
147
149
|
} else {
|
|
148
150
|
|
|
@@ -519,3 +521,7 @@
|
|
|
519
521
|
}
|
|
520
522
|
|
|
521
523
|
}
|
|
524
|
+
|
|
525
|
+
コード
|
|
526
|
+
|
|
527
|
+
```
|