ADD file via upload

2..cpp

@@ -0,0 +1,80 @@
+#include <stdlib.h>
+#include <time.h>
+#include<stdio.h>
+
+#define KERNEL_SIZE 5
+#define IMAGE_SIZE 3
+
+void applyRowConvolution(int input[IMAGE_SIZE][IMAGE_SIZE], int temp[IMAGE_SIZE][IMAGE_SIZE], float row_kernel[KERNEL_SIZE]) {
+float sum = 0.0;
+for (int i = 0; i < IMAGE_SIZE; i++) {
+for (int j = 1; j < IMAGE_SIZE - 1; j++) {
+float blurred_value = 0.0;
+for (int ki = 0; ki < KERNEL_SIZE; ki++) {
+int x = i;
+int y = j - KERNEL_SIZE / 2 + ki;
+blurred_value += input[x][y] * row_kernel[ki];
+}
+temp[i][j] = (int)(blurred_value / sum);
+}
+}
+}
+
+void applyColumnConvolution(int temp[IMAGE_SIZE][IMAGE_SIZE], int output[IMAGE_SIZE][IMAGE_SIZE], float col_kernel[KERNEL_SIZE]) {
+float sum = 0.0;
+for (int i = 1; i < IMAGE_SIZE - 1; i++) {
+for (int j = 0; j < IMAGE_SIZE; j++) {
+float blurred_value = 0.0;
+for (int kj = 0; kj < KERNEL_SIZE; kj++) {
+int x = i - KERNEL_SIZE / 2 + kj;
+int y = j;
+blurred_value += temp[x][y] * col_kernel[kj];
+}
+output[i][j] = (int)(blurred_value / sum);
+}
+}
+}
+
+void applySeparableGaussianBlur(int input[IMAGE_SIZE][IMAGE_SIZE], int output[IMAGE_SIZE][IMAGE_SIZE]) {
+float row_kernel[KERNEL_SIZE] = {1, 4, 6, 4, 1};
+float col_kernel[KERNEL_SIZE] = {1, 4, 6, 4, 1};
+float sum = 256.0;
+
+int temp[IMAGE_SIZE][IMAGE_SIZE] = {{0}};
+applyRowConvolution(input, temp, row_kernel);
+applyColumnConvolution(temp, output, col_kernel);
+}
+
+int main() {
+int input[IMAGE_SIZE][IMAGE_SIZE] = {
+{10, 20, 30},
+{40, 50, 60},
+{70, 80, 90}
+};
+int output[IMAGE_SIZE][IMAGE_SIZE] = {{0}};
+
+clock_t start = clock();
+applySeparableGaussianBlur(input, output);
+clock_t end = clock();
+
+printf("Input Matrix:\n");
+for (int i = 0; i < IMAGE_SIZE; i++) {
+for (int j = 0; j < IMAGE_SIZE; j++) {
+printf("%d ", input[i][j]);
+}
+printf("\n");
+}
+
+printf("Output Matrix:\n");
+for (int i = 0; i < IMAGE_SIZE; i++) {
+for (int j = 0; j < IMAGE_SIZE; j++) {
+printf("%d ", output[i][j]);
+}
+printf("\n");
+}
+
+double time_spent = (double)(end - start) / CLOCKS_PER_SEC;
+printf("Time spent: %f seconds\n", time_spent);
+
+return 0;
+}