How to get a single entity from an image?

Question

I am using this image. I would like to have only the human part from this image. I don\'t want the background of this image.

Answer 1

For ios5.1+, using a CIDetector and CIFaceFeature class can be easily face recognition.

Body recognition, is you will need to use opencv library. Not yet supported by apple.

Have a look at this: http://niw.at/articles/2009/03/14/using-opencv-on-iphone/en

Cropping an image in iOS using OpenCV face detection