1. 安裝opencv libraries.
sudo apt-get install libcv libcv-dev libcvaux libcvaux-dev libhighgui libhighgui-dev opencv-doc python-opencv
2.安裝完後,輸入:
export LD_LIBRARY_PATH=/home/opencv/lib
export PKG_CONFIG_PATH=/home/opencv/lib/pkgconfig
都是opencv的默認路徑
3. 檢測OpenCV library的目錄:
$ pkg-config –cflags opencv
(輸出:-I/usr/include/opencv)
$ pkg-config –libs opencv
(輸出:-lcxcore -lcv -lhighgui -lcvaux -lml)
4. 檢測是否所有的Library文件都安裝好了:
$ apt-cache search opencv
顯示如下:
5. 顯示圖片的示例程序:
#include “highgui.h”
int main( int argc, char** argv )
{
IplImage* img = cvLoadImage( “lena512.bmp” );
cvNamedWindow( “E1″, CV_WINDOW_AUTOSIZE );
cvShowImage( “E1″, img );
cvWaitKey(0);
cvReleaseImage( &img );
cvDestroyWindow( “E1″ );
}
把lena512.bmp換成你要顯示的圖片文件。
6. 編譯
g++ -I/usr/include/opencv -o e1 -lcv -lcxcore -lhighgui -lm e1.cpp
7. 運行
./e1
顯示Lena