January 2023
Intermediate to advanced
288 pages
6h 6m
Chinese
Content preview from 移动端AI与ML应用开发：基于iOS和Android
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imageView.image = UIImage(named: "bird.jpg")
imageView.addSubview(annotationOverlayView)
NSLayoutConstraint.activate([
annotationOverlayView.topAnchor.constraint(
equalTo: imageView.topAnchor),
annotationOverlayView.leadingAnchor.constraint(
equalTo: imageView.leadingAnchor),
annotationOverlayView.trailingAnchor.constraint(
equalTo: imageView.trailingAnchor),
annotationOverlayView.bottomAnchor.constraint(
equalTo: imageView.bottomAnchor),
])
}
6.2.4
第
4
步：执行物体检测
在你可以使用 ML Kit 中的物体检测 API 之前，你需要将它们包含在你的代码文件中。
你可以这样做：
import MLKitVision
import MLKitObjectDetection
在你为用户按下按钮时创建的动作中，添加以下代码：
runObjectDetection(with: imageView.image!)
Xcode 会抱怨这个函数还没有被创建 ...
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