[php] #include <iostream> #include <opencv2/core/core.hpp> #include <opencv2/highgui/highgui.hpp> #include <opencv2/opencv.hpp> using namespace cv ; using namespace std ; Mat src; Mat src_gray; int thresh = 100; int max_thresh = 255; RNG rng(12345); void thresh_callback(int, void* ); int main( int, char** argv ) { src = cv::imread("/Users/powenko/Desktop/apple.png"); if (src.empty()) { cerr << "No image supplied ..." << endl; return -1; } const char* source_window = "Source"; namedWindow( source_window, WINDOW_AUTOSIZE ); imshow( source_window, src ); createTrackbar( " erode thresh:", "Source", &thresh, max_thresh, thresh_callback ); thresh_callback( 0, 0 ); waitKey(0); return(0); } void thresh_callback(int, void* ) { Mat canny_output; vector<vector<Point> > contours; vector<Vec4i> hierarchy; //kernel的形狀----矩形: MORPH_RECT 交叉形: MORPH_CROSS 椭圆形 : MORPH_ELLIPSE Mat drawing; if(thresh>0){ Mat element = getStructuringElement(MORPH_RECT, Size(thresh,thresh)); dilate(src, drawing, element); }else{ drawing=src; } namedWindow( "Contours", WINDOW_AUTOSIZE ); imshow( "Contours", drawing ); } [/php]
CH01 簡介
- 01 OpenCV 安裝方法
- 02 顯示圖片
- 03 改變圖片的顏色
- 03 複製和改變每一個pixel的顏色..
- 04 顯示攝影機WebCam的畫面
- 05 儲存圖片
- 06 圖片大小修改
- 07 IplImage和Mat轉換
- 08 Crop 剪裁
- 09 錄影
- 10 播放AVI