This has been fixed upstream, in trunk (2.3 is due in June) and version 2.2 (2.1 is not maintained anymore): https://code.ros.org/trac/opencv/ticket/862
This has been fixed upstream, in trunk (2.3 is due in June) and version 2.2 (2.1 is not maintained anymore): /code.ros. org/trac/ opencv/ ticket/ 862
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