iphone - How to detect objects from Image Processing in iOS? -


i have image , image have in glass cup , 2 spoon.

this image showing on ipad. want when user touch spoon only, spoon color become green rest of image remain same.

i have no idea how this? , start?

any idea or suggestions highly welcome.

use calayer, create calayer needed frame , add imageview. calayer documentation:calayer class reference


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