I am trying to understand how cuda box filter works. Here is a presentation with very good exemple. (http://www.nvidia.com/content/nvision2008/tech_presentations/Game_Developer_Track/NVISION08-Image_Processing_and_Video_with_CUDA.pdf). I have understand how rows are process but i don’t understand how column are process, exemple from slide 27,28.
First time are prococess rows and after the row jub is finish the column are process with the same ideea? Filter (2*r)+1 ?:(
Can somebody help me? :D