代碼在git
main.cpp

clude <opencv2/highgui/highgui.hpp> #include <opencv2/imgproc/imgproc.hpp> #include <opencv2/core/core.hpp>using namespace cv;int main() {VideoCapture cap(0);if(!cap.isOpened()){return -1;}Mat frame;Mat edges;bool stop = false;while(!stop){cap>>frame;cvtColor(frame, edges, CV_BGR2GRAY); // GaussianBlur(edges, edges, Size(7,7), 1.5, 1.5); // Canny(edges, edges, 0, 30, 3); imshow("當前視頻",frame);if(waitKey(30) >=0)stop = true;}return 0; }

CMakeLists.txt

cmake_minimum_required(VERSION 2.8) project( camer ) find_package( OpenCV REQUIRED ) include_directories( ${OpenCV_INCLUDE_DIRS} ) add_executable( camer main.cpp ) target_link_libraries( camer ${OpenCV_LIBS} ) cd build cmake .. make ./camer

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