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OpenCV 2.4.6 front camera preview is still upside down!

asked 2013-07-29 21:31:20 -0500

Dr.HU gravatar image

Tried both phone and tablet, the front camera in landscape is ok. But in portrait mode, it is upside down.

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answered 2013-07-30 02:09:28 -0500

It has been answered many times before... next time please use the search button.

Basic reason: difference between world coordinates and the tablet coordinates combined with openCV coordinate system. This means you need to do a basic flip operation on your image before processing.

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Asked: 2013-07-29 21:31:20 -0500

Seen: 1,806 times

Last updated: Jul 30 '13