Method for vertically orienting a face shown in a picture

Abstract

What has become a widespread function in mobile or stationary communication terminals is taking pictures using cameras integrated in the mobile communication terminals. The pictures are taken sideways or upright depending on the specific situation, but other orientations also occur. Once taken, the pictures can be displayed directly on small screens or used by further applications. If slanted pictures have been taken a user will have to turn the mobile communication terminal to be able to view the face in its correct position. Moreover, face animations using pictures that have been taken are extremely difficult if the faces shown in the pictures are not in vertically oriented positions. To resolve this problem a method determines an optimized orientation of the picture by applying a face-localizing method.

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