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I was wondering if there are any performance increases when changing from OpenCV2.1 to OpenCV2.4?
Also, I’ve read a little about GPU development with OpenCV. Can someone recommend any beginner guides/primers? Is it as simple as redifining the matrix as cv::gpu::GpuMat?
There is a set of performance tests in the full source build – but generally each release of openCV tries to improve performance where possible
Yes using the GPU is essentially as straight forward as use cv::gpu::Mat although not all code is ported to CUDA and of course not all code will benefit, see http://docs.opencv.org/modules/gpu/doc/gpu.html