Data Encoding for Attenuating Image Encoders
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United States of America Patent
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Issued Date -
Dec 4, 2014
app pub date -
May 31, 2013
filing date -
May 31, 2013
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Abstract
A hybrid access encoder includes one or more improvements to attenuation-based image and video encoders using images. The hybrid access encoder supports tradeoffs between encoded bit rate and decoded image and video quality. The hybrid access encoder monitors multiple redundancy removal filters and selects the best-performing filter for encoding. The hybrid access encoder operates in a mode that specifies a target decoded image quality and a target encoded bit rate, giving preference to one metric (image quality or bit rate) when both target values cannot be achieved. The hybrid access encoder performs a plurality of passes across each image and can optimize one or more parameters of the encoder settings between passes. A user interface allows users to control the tradeoff between decoded video quality and battery life for a mobile device.
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