133     CvMemStorage *storage, CvMat *image, CvMat *thresh_img, int dilation, int flags );
209     CvMat* thresh_img = 0;  in cvFindChessboardCorners()  local
245     CV_CALL( thresh_img = cvCreateMat( img->rows, img->cols, CV_8UC1 ));  in cvFindChessboardCorners()
287 …CALL( quad_count = icvGenerateQuadsEx( &quads, &corners, storage, img, thresh_img, dilations, flag…  in cvFindChessboardCorners()
298                     cvAdaptiveThreshold( img, thresh_img, 255,  in cvFindChessboardCorners()
301                         cvDilate( thresh_img, thresh_img, 0, dilations-1 );  in cvFindChessboardCorners()
314                     cvThreshold( img, thresh_img, thresh_level, 255, CV_THRESH_BINARY );  in cvFindChessboardCorners()
315                     cvDilate( thresh_img, thresh_img, 0, dilations );  in cvFindChessboardCorners()
321                 cvCvtColor(thresh_img,dbg_img,CV_GRAY2BGR);  in cvFindChessboardCorners()
327                 cvRectangle( thresh_img, cvPoint(0,0), cvPoint(thresh_img->cols-1,  in cvFindChessboardCorners()
328                     thresh_img->rows-1), CV_RGB(255,255,255), 3, 8);  in cvFindChessboardCorners()
330 …           CV_CALL( quad_count = icvGenerateQuads( &quads, &corners, storage, thresh_img, flags ));  in cvFindChessboardCorners()
460     cvReleaseMat( &thresh_img );  in cvFindChessboardCorners()
1772                   CvMemStorage *storage, CvMat *image, CvMat *thresh_img, int dilations, int flags )  in icvGenerateQuadsEx()  argument
1809         cvThreshold( image, thresh_img, l, 255, CV_THRESH_BINARY );  in icvGenerateQuadsEx()
1810         cvDilate( thresh_img, thresh_img, 0, dilations );  in icvGenerateQuadsEx()
1813         cvRectangle( thresh_img, cvPoint(0,0), cvPoint(thresh_img->cols-1,  in icvGenerateQuadsEx()
1814             thresh_img->rows-1), CV_RGB(255,255,255), 3, 8);  in icvGenerateQuadsEx()
1817         CV_CALL( scanner = cvStartFindContours( thresh_img, temp_storage, sizeof(CvContourEx),  in icvGenerateQuadsEx()