I am new in opencv. I am trying to make an application to transform an image to an \"old picture\" effect. can anybody help me with the algorithm? or is there any sample cod
Image transformations, including converting to sepia ("old picture" style), can be accomplished using matrix operations.
EDIT: A different transformation called "grain effect" can be accomplished by drawing on each frame:
This is a good tutorial for a flash-based version. Just translate what's done there into C.