컬러 추출후 해당 컬러 보여주기

void main() {

char * wnSrc = "src";

Mat src = imread("resizesample.tif");

if(!src.data) exit(1);

imshow(wnSrc,src);

cvSetMouseCallback(wnSrc, onMouse, &src);

waitKey(0);

}

//-------------------------------------------------------------

// 마우스 이벤트

//-------------------------------------------------------------

void onMouse(int event, int x, int y, int flags, void* param) {

Scalar rgb;

Mat *src = (Mat *)param;

switch(event) {

case CV_EVENT_RBUTTONDOWN: //오른쪽버튼 DOWN

rgb[0]= src->at<Vec3b>(y,x)[0];

rgb[1]= src->at<Vec3b>(y,x)[1];

rgb[2]= src->at<Vec3b>(y,x)[2];

cout<<"B("<<rgb[0]<<")";

cout<<"G("<<rgb[1]<<")";

cout<<"R("<<rgb[2]<<")"<<endl;

color_extraction(*src,rgb);

break;

}

imshow("src",*src);

}

//-------------------------------------------------------------

// 컬러 추출

//-------------------------------------------------------------

void color_extraction( Mat &src, Scalar rgb ) {

Mat dst, addMat;

unsigned int gap = 5;

Scalar lowerBGR, uperBGR;

lowerBGR[0] = (rgb[0] - gap);

lowerBGR[1] = (rgb[1] - gap);

lowerBGR[2] = (rgb[2] - gap);

uperBGR[0]  = (rgb[0] + gap);

uperBGR[1]  = (rgb[1] + gap);

uperBGR[2]  = (rgb[2] + gap);

inRange(src, lowerBGR, uperBGR, dst);

dilate( dst, dst, Mat() );dilate( dst, dst, Mat() );

erode( dst, dst, Mat() );

cvtColor(dst,dst,CV_GRAY2BGR);

add(src,dst,addMat);

imshow("Add",addMat);

imshow("Color_Detect Demo",dst);

}