System and method for scalar quantization error reduction

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United States of America Patent

PATENT NO 8811735
SERIAL NO

13591204

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Abstract

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To reduce artifacts caused by quantization errors in image compression systems, an offset is added to quantized samples at low frequency sections of a macroblock. A decoder uses the offset after decoding to bring the decoded sample closer to the original pre-encoded and pre-quantized sample, thereby compensating for quantization errors.

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Patent Owner(s)

Patent OwnerAddress
V-SILICON SEMICONDUCTOR (HANGZHOU) CO LTDROOM 137 BUILDING 6 CHUANGZHI GREEN VALLEY DEVELOPMENT CENTER NO 788 HONGPU ROAD SHANGCHENG DISTRICT HANGZHOU 310000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shoa, Hassani Lashdan Alireza Burlington, CA 19 114

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