calcBtvWeights    347 modules/superres/src/btv_l1.cpp     void calcBtvWeights(int btvKernelSize, double alpha, std::vector<float>& btvWeights)
calcBtvWeights    172 modules/superres/src/btv_l1_cuda.cpp     void calcBtvWeights(int btvKernelSize, double alpha, std::vector<float>& btvWeights)