Modified quantizer

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United States of America Patent

PATENT NO 11381830
SERIAL NO

17077471

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Abstract

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A method, computer program, and computer system is encoding or decoding video data. Video data may include a syntax element indicating a quantization index, wherein a range of the quantization index is extended by an offset value. The syntax element may be parsed to determine the quantization index, a quantization step size may be obtained from a lookup table based on the quantization index and the offset value; and the video data may be encoded or decoded based on the quantization step size.

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Patent Owner(s)

  • TENCENT AMERICA LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Krishnan, Madhu Peringassery Mountain View, US 48 170
Liu, Shan San Jose, US 1733 8370
Zhao, Xin Santa Clara, US 869 5809

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