Have you ever wished you could change the background on an existing photo with you and your friends for fun or on a professional photo for publishing? If so, you’ll want to read on and learn about Graph Cut running on a GPU. This blog post will talk about the exciting new features and improvements that we did with the Graph Cut primitives in the CUDANPP signal and imaging library in the CUDA 4.1 Toolkit.
Consider you want to remove the background from an image with your friend and replace it with something more interesting like the top of Mount Everest. To get there you could take a bottom up approach: for each pixel decide if that pixel is depicting your friend or the background. Continue reading