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US Patent 11601657 LUMA mapping with chroma scaling (LMCS) in video coding

Patent 11601657 was granted and assigned to Qualcomm on March, 2023 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
Qualcomm
Qualcomm
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Current Assignee
Qualcomm
Qualcomm
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116016570
Date of Patent
March 7, 2023
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Patent Application Number
172188980
Date Filed
March 31, 2021
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Patent Citations Received
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US Patent 12137252 Signaling for inter prediction in high level syntax
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US Patent 11924418 Constraints on adaptation parameter set syntax elements
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US Patent 11856237 Use of header syntax elements and adaptation parameter set
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US Patent 11831923 Presence of adaptation parameter set units
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US Patent 11792435 Signaling for inter prediction in high level syntax
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US Patent 11750845 Signaling for inter prediction in high level syntax
Patent Primary Examiner
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Albert Kir
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CPC Code
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H04N 19/50
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H04N 19/82
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H04N 19/103
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H04N 19/186
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H04N 19/176
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H04N 19/70
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A method of coding video data includes determining that chroma related syntax elements of the video data are present for luma mapping with chroma scaling (LMCS) for a coding unit (CU) of the video data, coding a syntax element of the video data when the chroma related syntax elements are present for LMCS for the CU, the syntax element is indicative of a value for determining a scaling parameter for chroma scaling in LMCS, and coding a chroma block of the CU based on the scaling parameter for chroma scaling.

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