#include "stdafx.h"
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#include "EdgeFind.h"
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CEdgeFind::CEdgeFind(void)
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{
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}
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CEdgeFind::~CEdgeFind(void)
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{
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}
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int CEdgeFind::ImageProjection(BYTE* pBuff, int nWidth, int nHeight, CRect ROI, int nThres, int nDist, int nContinue)
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{
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//¿¹¿Üó¸®
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if(pBuff == NULL || nWidth <= 0 || nHeight <= 0)
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return -1;
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int nSumLength = ROI.Height();
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int nProjectionLength = ROI.Width();
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int nSumStart = ROI.top;
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int nProjectionStart = ROI.left;
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int nProjectionEnd = nProjectionStart + nProjectionLength;
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if(nProjectionLength < 0 || nSumLength < 0)
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return -1;
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if(nWidth < ROI.Width() || nHeight < ROI.Height())
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return -1;
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int* pnSum = new int[nWidth + nDist];
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nThres *= nSumLength;
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ZeroMemory(pnSum, sizeof(int) * (nWidth + nDist));
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int nSumLine, nProjectionLine;
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int nGab;
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int nContinueCount = 0;
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int nLine = 0;
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for (nProjectionLine = nProjectionStart; nProjectionLine < nProjectionEnd; nProjectionLine++)
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{
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for (nSumLine = nSumStart; nSumLine < nSumStart + nSumLength; nSumLine++)
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{
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pnSum[nProjectionLine] += *(pBuff + nProjectionLine + nSumLine * nWidth);
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}
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if (nProjectionLine >= nDist)
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{
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nGab = pnSum[nProjectionLine - nDist] - pnSum[nProjectionLine];
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if (nGab < 0)
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nGab *= -1;
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if (nGab > nThres)
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nContinueCount++;
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else
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nContinueCount = 0;
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//¿¬¼ÓÀ¸·Î nContinue ÀÌ»ó ³ª¿À¸é
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if (nContinueCount >= nContinue)
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{
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delete [] pnSum;
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return nProjectionLine - (nContinue - 1);
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}
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}
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}
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delete [] pnSum;
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return -1;
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}
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int CEdgeFind::ImageProjection_R(BYTE* pBuff, int nWidth, int nHeight, CRect ROI, int nThres, int nDist, int nContinue)
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{
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//¿¹¿Üó¸®
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if(pBuff == NULL || nWidth <= 0 || nHeight <= 0)
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return -1;
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int nSumLength = ROI.Height();
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int nProjectionLength = ROI.Width();
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int nSumStart = ROI.top;
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int nProjectionStart = ROI.right;
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int nProjectionEnd = nProjectionStart - nProjectionLength;
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if(nProjectionLength < 0 || nSumLength < 0)
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return -1;
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if(nWidth < ROI.Width() || nHeight < ROI.Height())
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return -1;
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int* pnSum = new int[nWidth + nDist];
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nThres *= nSumLength;
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ZeroMemory(pnSum, sizeof(int) * (nWidth + nDist));
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int nSumLine, nProjectionLine;
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int nGab;
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int nContinueCount = 0;
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int nLine = 0;
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for (nProjectionLine = nProjectionStart - 1; nProjectionLine >= nProjectionEnd; nProjectionLine--)
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{
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for (nSumLine = nSumStart; nSumLine < nSumStart + nSumLength; nSumLine++)
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{
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pnSum[nProjectionLine] += *(pBuff + nProjectionLine + nSumLine * nWidth);
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}
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if (nProjectionLine <= nProjectionStart - 1 - nDist)
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{
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nGab = pnSum[nProjectionLine + nDist] - pnSum[nProjectionLine];
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if (nGab < 0)
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nGab *= -1;
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if (nGab > nThres)
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nContinueCount++;
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else
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nContinueCount = 0;
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//¿¬¼ÓÀ¸·Î nContinue ÀÌ»ó ³ª¿À¸é
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if (nContinueCount >= nContinue)
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{
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delete [] pnSum;
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return nProjectionLine + (nContinue - 1);
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}
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}
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}
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delete [] pnSum;
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return -1;
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}
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int CEdgeFind::ImageProjection_Vert(BYTE* pBuff, int nWidth, int nHeight, CRect ROI, int nThres, int nDist, int nContinue)
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{
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//¿¹¿Üó¸®
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if(pBuff == NULL || nWidth <= 0 || nHeight <= 0)
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return -1;
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int nSumLength = ROI.Width();
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int nProjectionLength = ROI.Height();
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int nSumStart = ROI.left;
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int nProjectionStart = ROI.top;
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int nProjectionEnd = nProjectionStart + nProjectionLength;
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if(nProjectionLength < 0 || nSumLength < 0)
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return -1;
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if(nWidth < ROI.Width() || nHeight < ROI.Height())
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return -1;
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int* pnSum = new int[nHeight + nDist];
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nThres *= nSumLength;
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ZeroMemory(pnSum, sizeof(int) * (nHeight + nDist));
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int nSumLine, nProjectionLine;
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int nGab;
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int nContinueCount = 0;
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int nLine = 0;
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for (nProjectionLine = nProjectionStart; nProjectionLine < nProjectionEnd; nProjectionLine++)
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{
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for (nSumLine = nSumStart; nSumLine < nSumStart + nSumLength; nSumLine++)
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{
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pnSum[nProjectionLine] += *(pBuff + nSumLine + nProjectionLine * nWidth);
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}
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if (nProjectionLine >= nDist)
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{
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nGab = pnSum[nProjectionLine - nDist] - pnSum[nProjectionLine];
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if (nGab < 0)
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nGab *= -1;
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if (nGab > nThres)
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nContinueCount++;
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else
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nContinueCount = 0;
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//¿¬¼ÓÀ¸·Î nContinue ÀÌ»ó ³ª¿À¸é
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if (nContinueCount >= nContinue)
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{
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delete [] pnSum;
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return nProjectionLine - (nContinue - 1);
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}
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}
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}
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delete [] pnSum;
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return -1;
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}
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int CEdgeFind::ImageProjection_Vert_R(BYTE* pBuff, int nWidth, int nHeight, CRect ROI, int nThres, int nDist, int nContinue)
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{
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//¿¹¿Üó¸®
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if(pBuff == NULL || nWidth <= 0 || nHeight <= 0)
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return -1;
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int nSumLength = ROI.Width();
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int nProjectionLength = ROI.Height();
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int nSumStart = ROI.left;
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int nProjectionStart = ROI.bottom;
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int nProjectionEnd = nProjectionStart - nProjectionLength;
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if(nProjectionLength < 0 || nSumLength < 0)
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return -1;
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if(nWidth < ROI.Width() || nHeight < ROI.Height())
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return -1;
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int* pnSum = new int[nHeight + nDist];
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nThres *= nSumLength;
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ZeroMemory(pnSum, sizeof(int) * (nHeight + nDist));
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int nSumLine, nProjectionLine;
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int nGab;
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int nContinueCount = 0;
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int nLine = 0;
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for (nProjectionLine = nProjectionStart - 1; nProjectionLine >= nProjectionEnd; nProjectionLine--)
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{
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for (nSumLine = nSumStart; nSumLine < nSumStart + nSumLength; nSumLine++)
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{
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pnSum[nProjectionLine] += *(pBuff + nSumLine + nProjectionLine * nWidth);
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}
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if (nProjectionLine <= nProjectionStart - 1 - nDist)
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{
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nGab = pnSum[nProjectionLine + nDist] - pnSum[nProjectionLine];
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if (nGab < 0)
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nGab *= -1;
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if (nGab > nThres)
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nContinueCount++;
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else
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nContinueCount = 0;
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//¿¬¼ÓÀ¸·Î nContinue ÀÌ»ó ³ª¿À¸é
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if (nContinueCount >= nContinue)
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{
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delete [] pnSum;
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return nProjectionLine + (nContinue - 1);
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}
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}
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}
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delete [] pnSum;
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return -1;
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}
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