METHOD AND APPARATUS FOR RATE-DISTORTION OPTIMIZED COEFFICIENT QUANTIZATION INCLUDING SIGN DATA HIDING
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United States of America Patent
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Oct 26, 2017
app pub date -
Apr 25, 2016
filing date -
Apr 25, 2016
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Apparatuses and methods are described included rate-distortion optimized quantization encoders utilizing HEVC sign data hiding techniques. An example of an apparatus may include an encoder. The encoder utilizes an optimization process which can be implemented in real-time hardware. The encoder may be configured to reduce the total bit cost of quantized coefficients while keeping distortion at an acceptable level, such as low as possible. The encoder may further employ sign data hiding which may be utilized at selected times in accordance with rate-distortion optimization.
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