56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
#include<iostream>
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#define H 256
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#define W 256
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int main()
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{
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unsigned char* grey;
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grey = new unsigned char[H * W];
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FILE* fp;
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fopen_s(&fp, "E:\\Digital image process\\lab-2\\第二次上机实验材料\\椒盐噪声.raw", "rb");
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if (fp)
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{
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fread(grey, sizeof(unsigned char), H * W, fp);
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fclose(fp);
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}
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int temph = 3, tempw = 3;
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unsigned char* newgrey;
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newgrey = new unsigned char[temph * tempw];
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unsigned char* result;
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result = new unsigned char[H * W];
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int i, j, k, q, m, n;
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unsigned char g;
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for (i = temph / 2; i < (H - temph / 2); i++)
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{
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for (j = tempw / 2; j < (W - tempw / 2); j++)
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{
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for (k = 0; k < temph; k++)
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{
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for (q = 0; q < tempw; q++)
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{
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newgrey[k * tempw + q] = grey[(i - temph / 2 + k) * W + (j - tempw / 2 + q)];
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}
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}
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for (m = 0; m < temph * tempw - 1; m++)
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{
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for (n = m; n < temph * tempw; n++)
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{
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if (newgrey[m] > newgrey[n])
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{
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g = newgrey[m];
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newgrey[m] = newgrey[n];
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newgrey[n] = g;
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}
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}
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}
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result[i * W + j] = newgrey[temph * tempw / 2];
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}
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}
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FILE* pfile;
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fopen_s(&pfile, "E:\\Digital image process\\lab-2\\第二次上机实验材料\\中值滤波结果.raw", "wb");
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if (pfile)
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{
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fwrite(result, sizeof(unsigned char), H * W, pfile);
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fclose(pfile);
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}
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} |