From 68946eac0208a4d1bba38a38bcd0ec6177cb1ce6 Mon Sep 17 00:00:00 2001 From: pqzbgempc <2193876517@qq.com> Date: Fri, 6 Dec 2024 23:07:57 +0800 Subject: [PATCH] Delete 'GaussianBlur3.cpp' --- GaussianBlur3.cpp | 68 ----------------------------------------------- 1 file changed, 68 deletions(-) delete mode 100644 GaussianBlur3.cpp diff --git a/GaussianBlur3.cpp b/GaussianBlur3.cpp deleted file mode 100644 index bfb5dfa..0000000 --- a/GaussianBlur3.cpp +++ /dev/null @@ -1,68 +0,0 @@ -#include -#include -#include - -float inputImage[5][5] = { - {1, 2, 3, 4, 5}, - {6, 7, 8, 9, 10}, - {11, 12, 13, 14, 15}, - {16, 17, 18, 19, 20}, - {21, 22, 23, 24, 25} -}; - -float kx[3] = { 1.0f / 4, 2.0f / 4, 1.0f / 4 }; -float ky[3] = { 1.0f / 4, 2.0f / 4, 1.0f / 4 }; -float buf[3][3] = { 0 }; - -void applySeparableGaussianBlurNEON(float src[][5], float dst[][5], float kx[], float ky[]) { - float32x4_t kx_vec = vld1q_f32(kx); - float32x4_t ky_vec = vld1q_f32(ky); - - for (int i = 1; i < 3; ++i) { - for (int j = 0; j < 3; j += 4) { - float32x4_t left = vld1q_f32(&src[i - 1][j + 1]); - float32x4_t center = vld1q_f32(&src[i][j + 1]); - float32x4_t right = vld1q_f32(&src[i + 1][j + 1]); - - float32x4_t result_left = vmulq_f32(left, kx_vec); - float32x4_t result_center = vmulq_f32(center, kx_vec); - float32x4_t result_right = vmulq_f32(right, kx_vec); - - float32x4_t total_result = vaddq_f32(result_left, result_center); - total_result = vaddq_f32(total_result, result_right); - - vst1q_f32(&buf[i][j], total_result); - } - } - - for (int i = 0; i < 3; ++i) { - for (int j = 1; j < 3; j++) { - float32x4_t buf_data = vld1q_f32(&buf[i][j - 1]); - - float32x4_t result = vmulq_f32(buf_data, ky_vec); - - vst1q_f32(&dst[i + 1][j + 1], result); - } - } -} - -int main() { - float outputImage[5][5] = { 0 }; - clock_t start, end; - - start = clock(); - applySeparableGaussianBlurNEON(inputImage, outputImage, kx, ky); - end = clock(); - - double timeSpent = (double)(end - start) / CLOCKS_PER_SEC; - - for (int i = 0; i < 5; i++) { - for (int j = 0; j < 5; j++) { - printf("%-4.1f ", outputImage[i][j]); - } - printf("\n"); - } - - printf("Time spent: %1.10f seconds\n", timeSpent); - return 0; -}