脚本宝典收集整理的这篇文章主要介绍了Linux下利用Opencv打开笔记本摄像头问题,脚本宝典觉得挺不错的,现在分享给大家,也给大家做个参考。
新建test文件夹,文件夹存在test.cpp和@R_963_1512@Lists.txttest.cpp#include <iostream>
#include <string> #include <sstream> #include <oPEncv2/core.hpp> #include <opencv2/highgui.hpp> #include <opencv2/videoio.hpp> using namespace cv; using namespace std; const char* keys = { "{help h usage ? | | PRint this message}" "{@video | | Video file, if not defined try to use webcamera}" }; int main(int argc, const char** argv) { CommandLineParser parser(argc, argv, keys); parser.about("Reading a video and camera v1.0.0"); if (parser.has("help")) { parser.printMessage(); return 0; } String videoFile = parser.get<String>(0); if (!parser.check()) { parser.printerrors(); return 0; } VideoCapture cap; if (videoFile != "") { cap.open(videoFile);// read a video file }else { cap.open(0);// read the default caera } if (!cap.isOpened())// check if we succeeded { return -1; } namedWindow("Video", 1); while (1) { Mat frame; cap >> frame; // get a new frame From camera imshow("Video", frame); if (waITKey(30) >= 0) break; } // Release the camera or video file cap.release(); return 0; }
CMakeLists.txt
project(test) cmake_minimum_required(VERSION 2.8.7) # option to enable OpenMP; only relevant for the KCF version with the # VOT scale estimation option(WITH_OPENMP "Enable OpenMP" OFF) if(WITH_OPENMP) find_package(OpenMP REQUIRED) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}") endif(WITH_OPENMP) # add c++11 support if(CMAKE_COMPILER_IS_GNUCC) ADD_DEFINITIONS ( -std=c++11 ) endif(CMAKE_COMPILER_IS_GNUCC) # add OpenCV set(OPENCV_DIR_HINT "") if(WIN32) get_filename_component(OPENCV_DIR_PLATFORM $env{OPENCV_DIR} DIRECTORY) get_filename_component(OPENCV_DIR_HINT ${OPENCV_DIR_PLATFORM} DIRECTORY) endif(WIN32) set(OpenCV_statIC OFF) find_package(OpenCV REQUIRED HINTS ${OPENCV_DIR_HINT})
编译过程:
> cd test > g++ test.cpp -o test `pkg-config --cflags --libs opencv` > ./test
总结
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