IMAGE ORIENTATION ADJUSTMENT BASED ON CAMERA ORIENTATION
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Dec 19, 2013
filing date -
Dec 19, 2013
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Abstract
Systems and methods are disclosed to rotate an image recorded by an image sensor to compensate for angular rotation or tilt of the image sensor. For example, a camera can include an image sensor having a plurality of pixels arranged in an array, an accelerometer, a memory, and a processing unit. The processing unit can be configured to read a first plurality of pixels corresponding to an imaging area of the image sensor. The processing unit can also be configured to receive an acceleration value from the accelerometer, and determine an tilt angle value from the acceleration value that represents at least in part the tilt of the image sensor relative to the Earth's gravitational field or the horizon. The processing unit may also be configured to rotate at least a subset of the first plurality of image pixels of the image sensor based on the tilt angle value.
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