Reddit reviews OpenCV 2 Computer Vision Application Programming Cookbook
We found 2 Reddit comments about OpenCV 2 Computer Vision Application Programming Cookbook. Here are the top ones, ranked by their Reddit score.
For image manipulation and recognition i wholeheartedly recommend OpenCV and this very practical book: http://www.amazon.com/OpenCV-Computer-Application-Programming-Cookbook/dp/1849513244
Now, the math in computer vision is very heavy... If you want to really understand the theory you will have to study a lot.
If you really want to give him something I suggest, a copy of the OpenCV Cookbook,
http://www.amazon.com/OpenCV-Computer-Application-Programming-Cookbook/dp/1849513244
or maybe some IOS ebooks at pragprog.com