opencv 基于灰度直方图的颜色迁移

最新推荐文章于 2021-02-20 14:39:15 发布

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最新推荐文章于 2021-02-20 14:39:15 发布 · 632 阅读

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#opencv #颜色迁移

//opencv 基于灰度直方图的颜色迁移


#include <opencv2/opencv.hpp>
#include <opencv2/legacy/compat.hpp>
using namespace std;

void FillWhite(IplImage *pImage)
{
    cvRectangle(pImage, cvPoint(0, 0), cvPoint(pImage->width, pImage->height), CV_RGB(255, 255, 255), CV_FILLED);
}
// 创建灰度图像的直方图
CvHistogram* CreateGrayImageHist(IplImage **ppImage)
{
    int nHistSize = 256;
    float fRange[] = {0, 255};  //灰度级的范围
    float *pfRanges[] = {fRange};
    CvHistogram *pcvHistogram = cvCreateHist(1, &nHistSize, CV_HIST_ARRAY, pfRanges);
    cvCalcHist(ppImage, pcvHistogram);
    return pcvHistogram;
}
float a[256];
void TurnToPDF(CvHistogram *pcvHistogram, IplImage *pSrcImage){
    float s = 0;
    for (int i = 0; i < 256; i++) {
        s = s + cvQueryHistValue_1D(pcvHistogram, i);
        a[i] = s/pSrcImage->width/pSrcImage->height;
    }
}
float b[256];
void TurnToPDF2(CvHistogram *pcvHistogram, IplIm