RGB-HSV.zip_HSV _RGB转换为HSV

#include "cv.h" #include "cxcore.h" #include "highgui.h" int main(int argc,char* argv[]) { IplImage* src = cvLoadImage("1.jpg"); IplImage* h = cvCreateImage(cvGetSize(src),8,1); IplImage* s = cvCreateImage(cvGetSize(src),8,1); IplImage* v = cvCreateImage(cvGetSize(src),8,1); IplImage* hsv = cvCreateImage(cvGetSize(src),8,3); IplImage* src_float = cvCreateImage(cvGetSize(src),32,3); cvConvertScale(src,src_float,1.0,0); IplImage* h_img = cvCreateImage(cvGetSize(src),32,1); IplImage* s_img = cvCreateImage(cvGetSize(src),32,1); IplImage* v_img = cvCreateImage(cvGetSize(src),32,1); IplImage* hsv_img = cvCreateImage(cvGetSize(src),32,3); cvCvtColor(src_float,hsv_img,CV_BGR2HSV); //颜色空间转换函数 cvSplit(hsv_img,h_img,s_img,v_img,NULL); //分解函数 cvConvertScale(h_img,h,(1.0/360.0)*255.0,0); //要转化为0到255之间 cvConvertScale(s_img,s,255.0,0); cvConvertScale(v_img,v,1.0,0); cvMerge(h,s,v,NULL,hsv); cvNamedWindow("hsv1",0); cvShowImage("hsv1",hsv); for(int y=0;y<hsv_img->height;y++) { for(int x=0;x<hsv_img->width;x++) { float value = cvGetReal2D(h_img,y,x); //if(value>180) //printf("%f",value); //若图像定义的是8位的，则最多只到180，若为32位，那才能到360 } } cvNamedWindow("hsv",0); cvShowImage("hsv",src); cvWaitKey(0); cvReleaseImage(&src); cvDestroyWindow("hsv"); }