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Searched refs:Ixy (Results 1 – 2 of 2) sorted by relevance

/external/opencv3/modules/cudalegacy/src/cuda/
DNCVBroxOpticalFlow.cu424 const float Ixy = tex2D(tex_Ixy, wx, wy); in prepare_sor_stage_1_tex() local
432 q1 = Ixz + Ixx * du[ijs] + Ixy * dv[ijs]; in prepare_sor_stage_1_tex()
433 q2 = Iyz + Ixy * du[ijs] + Iyy * dv[ijs]; in prepare_sor_stage_1_tex()
448 numerator_dudv[ijg] = data_term * (Ix*Iy + gamma * Ixy*(Ixx + Iyy)); in prepare_sor_stage_1_tex()
449 numerator_u[ijg] = data_term * (Ix*Iz + gamma * (Ixx*Ixz + Ixy*Iyz)); in prepare_sor_stage_1_tex()
450 numerator_v[ijg] = data_term * (Iy*Iz + gamma * (Iyy*Iyz + Ixy*Ixz)); in prepare_sor_stage_1_tex()
451 denominator_u[ijg] = data_term * (Ix*Ix + gamma * (Ixy*Ixy + Ixx*Ixx)); in prepare_sor_stage_1_tex()
452 denominator_v[ijg] = data_term * (Iy*Iy + gamma * (Ixy*Ixy + Iyy*Iyy)); in prepare_sor_stage_1_tex()
795 SAFE_VECTOR_DECL(Ixy, gpu_mem_allocator, kSizeInPixelsAligned); in NCVBroxOpticalFlow()
991 …ncvAssertReturnNcvStat( nppiStFilterRowBorder_32f_C1R (Iy.ptr(), srcSize, nSrcStep, Ixy.ptr(), src… in NCVBroxOpticalFlow()
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/external/opencv3/modules/imgproc/src/
Dlsd.cpp751 double Ixy = 0.0; in get_theta() local
763 Ixy -= dx * dy * weight; in get_theta()
767 CV_Assert(!(double_equal(Ixx, 0) && double_equal(Iyy, 0) && double_equal(Ixy, 0))); in get_theta()
770 double lambda = 0.5 * (Ixx + Iyy - sqrt((Ixx - Iyy) * (Ixx - Iyy) + 4.0 * Ixy * Ixy)); in get_theta()
774 double(fastAtan2(float(lambda - Ixx), float(Ixy))): in get_theta()
775 double(fastAtan2(float(Ixy), float(lambda - Iyy))); // in degs in get_theta()