• Open Source Computer Vision Library

图像文件读入和显示

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Revision as of 10:34 2006年11月9日; view current revision
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来自于仕琪的讲稿《使用OpenCV进行图像处理》中的例程

/***********************************************************************
 * OpenCV example
 * Copyright (C) 2006  Shiqi Yu
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 ***********************************************************************/

#include "cv.h"
#include "highgui.h"

int main( int argc, char** argv )
{
    IplImage* pImg; //声明IplImage指针

    //载入图像
    if( argc == 2 && 
        (pImg = cvLoadImage( argv[1], 1)) != 0 )
    {
        cvNamedWindow( "Image", 1 );//创建窗口
        cvShowImage( "Image", pImg );//显示图像

        cvWaitKey(0); //等待按键

        cvDestroyWindow( "Image" );//销毁窗口
        cvReleaseImage( &pImg ); //释放图像
        return 0;
    }

    return -1;
}
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