Using a graphics processing unit to correct video and audio data
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United States of America Patent
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Jun 4, 2013
Grant Date -
Jul 8, 2010
app pub date -
Dec 31, 2009
filing date -
Nov 9, 2005
priority date (Note) -
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Abstract
Described is a device (e.g., a cell phone incorporating a digital camera) that incorporates a graphics processing unit (GPU) to process image data in order to increase the quality of a rendered image. The processing power provided by a GPU means that, for example, an unacceptable pixel value (e.g., a pixel value associated with a malfunctioning or dead detector element) can be identified and replaced with a new value that is determined by averaging other pixel values. Also, for example, the device can be calibrated against benchmark data to generate correction factors for each detector element. The correction factors can be applied to the image data on a per-pixel basis. If the device is also adapted to record and/or play digital audio files, the audio performance of the device can be calibrated to determine correction factors for a range of audio frequencies.
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