title: Create faces database from images with openCV?
body: <p>I'm writing a program that detect faces from images; and recognize a face from an input image, using OpenCV library. I was done with detection part, but in recognization part, I don't know how to create faces database from detected faces. I read several samples about face recog using Eigenfaces, and it requires at least 2 faces per person from an available database - that I do not have. </p>
  
  <p>My question is how to create the database, it's not just crop each face and store in a named folder, because maybe there're same faces in different images. Is there a way to compare those faces and group them in one folder?</p>
  
  <p>Many thanks, and sorry for my poor English (:</p>