그 외 공부
[opencv c++ 영상 다루기 공부] *세번째* 영상 흑백 변환
ssangeun
2015. 8. 11. 15:56
First. 사진 흑백 변환
#code
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#include <opencv.hpp>
int main(void)
{
char key;
IplImage *ornImage;
IplImage *grayImage;
ornImage = cvLoadImage("test.jpg", -1);
cvNamedWindow("ornImage", 0);
cvNamedWindow("grayImage", 0);
grayImage = cvCreateImage(cvGetSize(ornImage), IPL_DEPTH_8U, 1);
cvCvtColor(ornImage, grayImage, CV_BGR2GRAY);
cvShowImage("ornImage", ornImage);
cvShowImage("grayImage", grayImage);
key = cvWaitKey(0);
cvReleaseImage(&ornImage);
cvReleaseImage(&grayImage);
return 0;
} |
cs |
#공부
#결과
Second, 실시간 동영상 흑백 변환
#code
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#include <opencv.hpp>
int main(void)
{
char key;
IplImage *ornImage;
IplImage *grayImage;
CvCapture *camera;
CvSize ornSize, cropSize;
ornSize.height = 480;
ornSize.width = 640;
cropSize.height = 480;
cropSize.width = 640;
camera = cvCreateCameraCapture(0);
grayImage = cvCreateImage(ornSize, IPL_DEPTH_8U, 1);
while (1)
{
if (!cvGrabFrame(camera))
{
printf("camera error\n");
return 0;
}
ornImage = cvRetrieveFrame(camera);
cvCvtColor(ornImage, grayImage, CV_BGR2GRAY);
cvShowImage("ornImage", ornImage);
cvShowImage("grayImage", grayImage);
key = cvWaitKey(1);
if (key == 27)
{
break;
}
}
return 0;
}
|
cs |
#공부
#결과