随笔分类 -  opencv

摘要：今天遇到个错误： 在程序退出的时候 提示报错OpenCV Error: Bad argument (unrecognized or unsupported array type) in uunction, file ..\..\..\src\opencv\modules\core\src\array.cpp, line 996然后上代码int _tmain(int argc, _TCHAR* argv[]){ IplImage* src = 0; //原图 IplImage* graySrc = 0; //灰度图 int key = 0... 阅读全文

摘要：cvWaitKey()是opencv中经常用到而且很好用的一个函数函数定义CV_EXPORTS_W int waitKey(int delay=0);Highgui_c.h中/* wait for key event infinitely (delay<=0) or for "delay" milliseconds */CVAPI(int) cvWaitKey(int delay CV_DEFAULT(0));waitkey灵活运用注意如下几点1.当参数delay中为负，则无穷等待2.否则等待delay ms.3.返回值是按键值 否则返回-14.当参数为空，则一直等待 阅读全文

摘要：opencv关于摄像头的几个api/* start capturing frames from camera: index = camera_index + domain_offset (CV_CAP_*) */CVAPI(CvCapture*) cvCreateCameraCapture( int index );/* grab a frame, return 1 on success, 0 on fail. this function is thought to be fast */CVAPI(int) cvGrabFrame( CvCapture* capt... 阅读全文