76                    IplImage *samples[],                                   // size is num_cameras  in cv3dTrackerCalibrateCameras()  argument
98         if( samples[c] == NULL )  in cv3dTrackerCalibrateCameras()
101         if( samples[c]->dataOrder != IPL_DATA_ORDER_PIXEL && samples[c]->nChannels > 1 )  in cv3dTrackerCalibrateCameras()
104         if( samples[c]->maskROI != 0 || samples[c]->tileInfo != 0 )  in cv3dTrackerCalibrateCameras()
107         if( samples[c]->imageData == 0 )  in cv3dTrackerCalibrateCameras()
110         if( samples[c]->roi &&  in cv3dTrackerCalibrateCameras()
111             ((samples[c]->roi->xOffset | samples[c]->roi->yOffset  in cv3dTrackerCalibrateCameras()
112               | samples[c]->roi->width | samples[c]->roi->height) < 0 ||  in cv3dTrackerCalibrateCameras()
113              samples[c]->roi->xOffset + samples[c]->roi->width > samples[c]->width ||  in cv3dTrackerCalibrateCameras()
114              samples[c]->roi->yOffset + samples[c]->roi->height > samples[c]->height ||  in cv3dTrackerCalibrateCameras()
115              (unsigned) (samples[c]->roi->coi) > (unsigned) (samples[c]->nChannels)))  in cv3dTrackerCalibrateCameras()
120         if (samples[c]->depth != IPL_DEPTH_8U)  in cv3dTrackerCalibrateCameras()
123         if (samples[c]->nChannels != 3 && samples[c]->nChannels != 1)  in cv3dTrackerCalibrateCameras()
135         CvSize image_size = cvSize(samples[c]->width, samples[c]->height);  in cv3dTrackerCalibrateCameras()
141         if (samples[c]->nChannels == 3)  in cv3dTrackerCalibrateCameras()
144             if (gray_img == NULL || gray_img->width != samples[c]->width ||  in cv3dTrackerCalibrateCameras()
145                 gray_img->height != samples[c]->height )  in cv3dTrackerCalibrateCameras()
152             CV_CALL(cvCvtColor(samples[c], gray_img, CV_BGR2GRAY));  in cv3dTrackerCalibrateCameras()
159             img = samples[c];  in cv3dTrackerCalibrateCameras()
162         if (tmp_img == NULL || tmp_img->width != samples[c]->width ||  in cv3dTrackerCalibrateCameras()
163             tmp_img->height != samples[c]->height )  in cv3dTrackerCalibrateCameras()
184         if (samples[c]->origin == IPL_ORIGIN_BL)  in cv3dTrackerCalibrateCameras()
187                 points[i].y = samples[c]->height - 1 - points[i].y;  in cv3dTrackerCalibrateCameras()
219         DrawEtalon(samples[c], points, count, etalon_size, found);  in cv3dTrackerCalibrateCameras()