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US Patent 11856232 Quantization parameter signaling

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Is a

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Sean Thomas McCarthy0

Toaran Lu0

Fangjun Pu0

Peng Yin0

Date of Patent

December 26, 2023

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Patent Application Number

176138010

Date Filed

May 27, 2020

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Patent Citations

US Patent 9253495 Methods and apparatus for improved chroma transforms for inter frames in video encoding and decoding

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US Patent 9516323 Method for determining color difference component quantization parameter and device using the method

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US Patent 10142642 Block adaptive color-space conversion coding

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US Patent 10298929 Chroma quantization in video coding

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US Patent 10200698 Determining chroma quantization parameters for video coding

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US Patent 10419762 Content-adaptive perceptual quantizer for high dynamic range images

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US Patent 7373009 Method and apparatus for efficient transmission and decoding of quantization matrices

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US Patent 8737464 Adaptive quantization for perceptual video coding

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Patent Primary Examiner

Dominic D Saltarelli

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CPC Code

0

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Patent abstract

A quantization parameter signalling mechanism for both SDR and HDR content in video coding is described using two approaches. The first approach is to send the user-defined Qp

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