OpenCV直方图均衡

OpenCV直方图均衡的测试,作一下备份// histtest.cpp : 定义控制台应用程序的入口点。
//#include "stdafx.h"
#include <stdio.h>
#include <cv.h>
#include <highgui.h>int HistogramBins = 256;
float HistogramRange1[2]={0,255};
float *HistogramRange[1]={&HistogramRange1[0]};float CumulativeNumber;
float CDFArray[256];
uchar LookupTableData[256];void DrawHistogramImage（CvHistogram *Histogram,IplImage *HistogramImage,int HistogramBins）;int main（）
{
IplImage *Image1;
IplImage *Image2;
CvHistogram *Histogram1;
CvHistogram *Histogram2;
CvMat *LookupTableMatrix;
IplImage *GrayHistogramImage;
IplImage *EqualizeHistogramImage;
Image1=cvLoadImage（"2.png",0）;
Image2=cvCreateImage（cvGetSize（Image1）,IPL_DEPTH_8U,1）;
Histogram1 = cvCreateHist（1,&HistogramBins,CV_HIST_ARRAY,HistogramRange）;
Histogram2 = cvCreateHist（1,&HistogramBins,CV_HIST_ARRAY,HistogramRange）; LookupTableMatrix = cvCreateMat（1,256,CV_8UC1）;
GrayHistogramImage=cvCreateImage（cvSize（256,250）,IPL_DEPTH_8U,3）;
EqualizeHistogramImage=cvCreateImage（cvSize（256,250）,IPL_DEPTH_8U,3）; GrayHistogramImage->origin=1;
EqualizeHistogramImage->origin=1; cvCalcHist（&Image1,Histogram1）;
DrawHistogramImage（Histogram1,GrayHistogramImage,HistogramBins）; //Probability Density Function （PDF）
cvNormalizeHist（Histogram1,1）;
//End //Cumulative Distribution Function （CDF）
CumulativeNumber=0;
for（int i=0;i<HistogramBins;i++）
{
CumulativeNumber=CumulativeNumber+cvQueryHistValue_1D（Histogram1,i）;
CDFArray[i]=CumulativeNumber;
}
//End //Make Look-up Table
printf（"Look-up Table Number: "）;
for（int i=0;i<HistogramBins;i++）
{
LookupTableData[i]=（uchar）（255*CDFArray[i]）;
printf（"%f ",（255*CDFArray[i]））;
}
//End cvSetData（LookupTableMatrix,LookupTableData,CV_AUTOSTEP）;
cvLUT（Image1,Image2,LookupTableMatrix）; cvCalcHist（&Image2,Histogram2）;
DrawHistogramImage（Histogram2,EqualizeHistogramImage,HistogramBins）; cvNamedWindow（"Orig",1）;
cvNamedWindow（"Equalized",1）;
cvNamedWindow（"Gray Histogram",1）;
cvNamedWindow（"Equalize Histogram",1）;
cvShowImage（"Orig",Image1）;
cvShowImage（"Equalized",Image2）;
cvShowImage（"Gray Histogram",GrayHistogramImage）;
cvShowImage（"Equalize Histogram",EqualizeHistogramImage）; cvWaitKey（0）;}void DrawHistogramImage（CvHistogram *Histogram,IplImage *HistogramImage,int HistogramBins）
{
CvPoint Point1;
CvPoint Point2; for（int i=0;i<HistogramBins;i++）
{
Point1=cvPoint（i,（int）（cvQueryHistValue_1D（Histogram,i）/20））;
Point2=cvPoint（i,0）;
cvLine（HistogramImage,Point1,Point2,CV_RGB（127,127,127））; }
}--------------------------------------分割线 --------------------------------------Ubuntu Linux下安装OpenCV2.4.1所需包 http://www.linuxidc.com/Linux/2012-08/68184.htmUbuntu 12.04 安装 OpenCV2.4.2 http://www.linuxidc.com/Linux/2012-09/70158.htmCentOS下OpenCV无法读取视频文件 http://www.linuxidc.com/Linux/2011-07/39295.htmUbuntu 12.04下安装OpenCV 2.4.5总结 http://www.linuxidc.com/Linux/2013-06/86704.htmUbuntu 10.04中安装OpenCv2.1九步曲 http://www.linuxidc.com/Linux/2010-09/28678.htm基于QT和OpenCV的人脸识别系统 http://www.linuxidc.com/Linux/2011-11/47806.htm--------------------------------------分割线 --------------------------------------OpenCV的详细介绍：请点这里
OpenCV的下载地址：请点这里本文永久更新链接地址：http://www.linuxidc.com/Linux/2014-10/107645.htm