\n#include
\n#include
\n#include
\n#include
using namespace cv ;
\nusing namespace std ;<\/p>\n
cv::Mat matControl_3( cv::Mat srcMat )
\n{
\n \/\/\u8907\u88fd\u548c\u6539\u8b8a\u6bcf\u4e00\u500bpixel\u7684\u984f\u8272
\n cv::Mat dstMat( srcMat.rows, srcMat.cols, srcMat.type() );
\n int nChannels = srcMat.channels();
\n int nRows = srcMat.rows;
\n int nCols = srcMat.cols * nChannels;
\n int nStep = srcMat.step;<\/p>\n
uchar* srcData= srcMat.data;
\n uchar* dstData = dstMat.data;
\n for( int j = 0; j < nRows; j++ ){\n for( int i = 0; i < nCols; i++ ) {\n if(i%3==2){ \/\/0\u85cd 1\u7da0 2\u7d05\n int t1=*(srcData+i);\n t1=t1*3;\n if(t1>255) t1=255;
\n *(dstData+i) =t1 ;
\n }else{
\n *(dstData+i) = *(srcData+i);
\n }
\n }
\n srcData += nStep;
\n dstData += nStep;
\n }<\/p>\n
return dstMat;
\n}<\/p>\n
int main() {
\n cv::Mat image = cv::imread(“\/Users\/powenko\/Desktop\/1.png”);
\n if(image.data!=NULL){
\n cv::namedWindow(“Image”) ;
\n cv::imshow(“Image”, image) ;<\/p>\n
Mat image2=matControl_3(image);<\/p>\n
cv::imshow(“mat”, image2) ;
\n cv::waitKey() ;
\n }
\n return 0;
\n}<\/p>\n<\/pre>\n
![\"screen-shot-2016-11-14-at-12-12-34-am\"](\"httpss:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2016\/11\/Screen-Shot-2016-11-14-at-12.12.34-AM.png\")
<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"