如何从 iOS 中的图像处理中检测对象? [英] How to detect objects from Image Processing in iOS?

问题描述

我有一张图片，图片里面有一个杯子，一个杯子，两个勺子.

I have a image and the image have in it A glass a cup , two spoon.

这张图片显示在 iPad 上.现在我想当用户只触摸勺子时，勺子颜色会变成绿色，图像的其余部分保持不变.

This image is showing on the iPad. Now I want when user touch the spoon only, the spoon color will become green rest of the image remain same.

我不知道该怎么做?从哪里开始?

I have no Idea how to do this? And where to start?

非常欢迎任何想法或建议.

Any Idea or suggestions would be highly welcome.

推荐答案

使用CALayer，用需要的frame创建CALayer，并添加到ImageView中.CALayer 文档:CALayer 类参考

Use CALayer, create CALayer with needed frame and add its to ImageView. CALayer documentation:CALayer Class Reference

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