the variable 'low' is being used without being initialized
2013-07-24 22:53
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IplImage *img_1; //定义一个图像指针,用来存放视频下一帧 IplImage *img; IplImage *nomalizeimage; IplImage *clusterimage; IplImage *gray=cvCreateImage(cvGetSize(img_1),IPL_DEPTH_8U,1); //初始化gray为单通道无符号8位 IplImage *bwimage=cvCreateImage(cvGetSize(img_1),IPL_DEPTH_8U,1); img_1=cvQueryFrame(capture); //获取读取视频的下一帧,存放img_1中
出现这个错误原因就是没初始化就使用或者使用了之后再初始化,就好像上面代码所示img_1使用了再初始化,处理的方法就是把初始化代码img_1=cvQueryFrame(capture)放到前面使用代码中去IplImage *gray=cvCreateImage(cvGetSize(img_1),IPL_DEPTH_8U,1); //初始化gray为单通道无符号8位;修改好代码如下所示
IplImage *img_1; //定义一个图像指针,用来存放视频下一帧 IplImage *img; img_1=cvQueryFrame(capture); //获取读取视频的下一帧,存放img_1中 IplImage *nomalizeimage; IplImage *clusterimage; IplImage *gray=cvCreateImage(cvGetSize(img_1),IPL_DEPTH_8U,1); //初始化gray为单通道无符号8位 IplImage *bwimage=cvCreateImage(cvGetSize(img_1),IPL_DEPTH_8U,1);
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