//?RGB_Gray_Canny.cpp?:?Defines?the?entry?point?for?the?console?application.



#include?

#include?

#include?

#include?

using?namespace?std;

//聲明圖像IplImage指針

IplImage*?pSrcImg=NULL;

IplImage*?pGrayImg?=?NULL;

IplImage*?pCannyImg?=?NULL;

int?Thresh=50;

//滑動條響應函數

void?onTrackerSlid（int?thresh）

{

???cvCanny（pGrayImg?pCannyImg（float）thresh（float）thresh*3?3）;

???cvShowImage（?“Canny?Image“?pCannyImg?）;

}

int?main（?int?argc?char**?argv?）

{

????if（argc!=2）

????????argv[1]=“lena.jpg“;

????//載入圖像，強制轉化為Gray

????if（（pSrcImg?=?cvLoadImage（?argv[1]1））?!=?0?）

????{

???????cout<<“Press?ESC?to?Quit“<
??????

???????//將顏色空間由RGB轉化為Gray

???????pGrayImg=cvCreateImage（cvGetSize（pSrcImg）81）;

???????cvCvtColor（pSrcImgpGrayImgCV_RGB2GRAY）;

??????

???????//canny邊緣檢測

???????pCannyImg?=?cvCreateImage（cvGetSize（pGrayImg）IPL_DEPTH_8U1）;

???????//cvCanny（pGrayImg?pCannyImg?15050?3）;

??????

???????//創建窗口

???????cvNamedWindow（?“Source?Image