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Merge pull request #11642 from alalek:calib3d_chess_board_avoid_clone

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Alexander Alekhin
2018-05-31 19:17:48 +00:00
parent d734e83af0 1bc96e3ed0
commit 1822e85f4a
1 changed files with 8 additions and 0 deletions
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modules/calib3d/src/calibinit.cpp
+8
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@@ -538,7 +538,11 @@ int cvFindChessboardCorners( const void* arr, CvSize pattern_size,
int max_quad_buf_size = 0;
cvFree(&quads);
cvFree(&corners);
#ifdef USE_CV_FINDCONTOURS
Mat binarized_img = thresh_img_new;
#else
Mat binarized_img = thresh_img_new.clone(); // make clone because cvFindContours modifies the source image
#endif
int quad_count = icvGenerateQuads( &quads, &corners, storage, binarized_img, flags, &max_quad_buf_size );
PRINTF("Quad count: %d/%d\n", quad_count, (pattern_size.width/2+1)*(pattern_size.height/2+1));
SHOW_QUADS("New quads", thresh_img_new, quads, quad_count);
@@ -604,7 +608,11 @@ int cvFindChessboardCorners( const void* arr, CvSize pattern_size,
int max_quad_buf_size = 0;
cvFree(&quads);
cvFree(&corners);
#ifdef USE_CV_FINDCONTOURS
Mat binarized_img = thresh_img;
#else
Mat binarized_img = (useAdaptive) ? thresh_img : thresh_img.clone(); // make clone because cvFindContours modifies the source image
#endif
int quad_count = icvGenerateQuads( &quads, &corners, storage, binarized_img, flags, &max_quad_buf_size);
PRINTF("Quad count: %d/%d\n", quad_count, (pattern_size.width/2+1)*(pattern_size.height/2+1));
SHOW_QUADS("Old quads", thresh_img, quads, quad_count);