I am trying to develop an iOS app that performs real time effects on video from the camera, much like Photobooth on the iPad. I am familiar with the API for OpenCV but am worri
OpenCV uses Cuda for it's GPU which is only supported on NVidia graphics cards. There is an experimental port of openCV's GPU functions to OpenCL and it's likely that OpenCL will be supported in the future - at least on iPad (it's GPU can run OpenCL)
You can use shaders in OpenGL ES2.0 on the iPhone and iPad