how to detect angle of an image

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Tony on 14 Mar 2014
Answered: Nitin on 14 Mar 2014
How would you detect if an image is not upright since different devices don't always save images in the proper upright position?

Answers (1)

Nitin on 14 Mar 2014
You might need a reference image / coordinates for the correct position and compare the difference between the two of them

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