Merge pull request #8388 from ottogin:calib3d

pull/8392/head
Maksim Shabunin 8 years ago
commit a83a1cafa7
  1. 2
      modules/calib3d/src/calibinit.cpp

@ -442,7 +442,7 @@ int cvFindChessboardCorners( const void* arr, CvSize pattern_size,
Mat img = cvarrToMat((CvMat*)arr).clone();
if( img.depth() != CV_8U || (img.channels() != 1 && img.channels() != 3) )
if( img.depth() != CV_8U || (img.channels() != 1 && img.channels() != 3 && img.channels() != 4) )
CV_Error( CV_StsUnsupportedFormat, "Only 8-bit grayscale or color images are supported" );
if( pattern_size.width <= 2 || pattern_size.height <= 2 )

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