blob detection in C++

Question

I\'m new at computer vision, but i need to made a little function in C++, who will detect a white paper sheet even if is something printed on him, and the retrieve the 4 edges c

Answer 1

Artoolkit is used for building Augmented Reality applications. It can't do what you described unless the piece of paper has something printed in it.

If you are considering some other framework to do this task, I suggest you invest in OpenCV.