Changeset View
Changeset View
Standalone View
Standalone View
MicroBenchmarks/ImageProcessing/Blur/boxBlurKernel.c
| /** | |||||
| Blur an Image using box blur | |||||
| Pankaj Kukreja | |||||
| Indian Institute of Technology Hyderabad | |||||
| */ | |||||
| #include "blur.h" | |||||
| void boxBlurKernel(int height, int width, int inputImage[HEIGHT][WIDTH], | |||||
| int outputImage[height][width]) { | |||||
| int sum = 0; | |||||
| int offset = (BOX_SIZE - 1) / 2; | |||||
| int n = BOX_SIZE * BOX_SIZE; | |||||
| for (int i = offset; i < height - offset; i++) { | |||||
| for (int j = offset; j < width - offset; j++) { | |||||
| sum = 0; | |||||
| for (int k = -1 * offset; k < offset; k++) { | |||||
| for (int l = -1 * offset; l < offset; l++) { | |||||
| sum += inputImage[i + k][j + l]; | |||||
| } | |||||
| } | |||||
| outputImage[i][j] = (sum) / (n); | |||||
| } | |||||
| } | |||||
| } | |||||
| No newline at end of file | |||||