linux打开笔记本摄像头驱动程序,Linux下使用OpenCV打开笔记本摄像头
Linux下使用OpenCV打开笔记本摄像头
新建test文件夹，文件夹存在test.cpp和CMakeLists.txt
test.cpp
#include #include#include#include#include#include
using namespacecv;using namespacestd;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(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
Ubuntu 16.04下Matlab2014a+Anaconda2+OpenCV3.1+Caffe安装 http://www.linuxidc.com/Linux/2016-07/132860.htm
Ubuntu 16.04下TensorFlow+Caffe+OpenCV3.1+Theano部署 http://www.linuxidc.com/Linux/2017-01/139503.htm
OpenCV的详细介绍：请点这里
OpenCV的下载地址：请点这里
