iOS image comparison

Question

I am just doing some research into image processing and would appreciate it if someone could point me in the right direction. I want to compare image \'A\' which is a pictur

Answer 1

1. Yes, you identify, extract and quantify various aspects of human faces, such as distance between pupils, width of mouth, percentage of head height where tip of nose is, etc.
2. There is a company, Luxand which makes software to do this, and I think they license it. Last time I looked (2009?) they didn't have an objective-c library. They do have an app that claims to merge faces from photograhs, so you can see what the offspring of any two people would look like, but it is very cheesy, with lots of hard-coded faces. (If you cross a dog with a tea-pot, you get the same baby-face as from crossing a 2 real faces.) AFAIK, there is nothing in the iOS SDK that does this.
3. I would just Google "face recognition" and start reading. Good luck.