METHOD AND APPARATUS FOR CONTROLLING VIDEO BITRATE
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United States of America Patent
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Issued Date -
Oct 30, 2014
app pub date -
Apr 23, 2014
filing date -
Apr 26, 2013
priority date (Note) -
Abandoned
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Abstract
The present invention may improve image quality of a video image while maintaining fixed bitrates by discrete cosine transforming a pixel value a current frame from a video signal, calculating a complexity of a current frame based on a transform coefficient value of a current frame according to the discrete cosine transform, obtaining a quantization parameter of a current frame using the complexity of a current frame, and controlling bitrates of a video image.
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