Invention Grant
- Patent Title: Luma-based chroma intra-prediction for video coding
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Application No.: US15664783Application Date: 2017-07-31
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Publication No.: US10368094B2Publication Date: 2019-07-30
- Inventor: Madhukar Budagavi
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Agent Ebby Abraham; Charles A. Brill; Frank D. Cimino
- Main IPC: H04N19/593
- IPC: H04N19/593 ; H04N19/107 ; H04N19/11 ; H04N19/176 ; H04N19/117 ; H04N19/436 ; H04N19/186 ; H04N19/44 ; H04N19/80 ; H04N19/86

Abstract:
A method for luma-based chroma intra-prediction in a video encoder or a video decoder is provided that includes filtering reconstructed neighboring samples of a reconstructed down sampled luma block, computing parameters α and β of a linear model using the filtered, reconstructed neighboring samples of the reconstructed down sampled luma block and reconstructed neighboring samples of a corresponding chroma block, wherein the linear model is PredC[x,y]=α·RecL′[x,y]+β, wherein x and y are sample coordinates, PredC is predicted chroma samples, and RecL′ is samples of the reconstructed down sampled luma block, and computing samples of a predicted chroma block from corresponding samples of the reconstructed down sampled luma block using the linear model and the parameters.
Public/Granted literature
- US20170359597A1 LUMA-BASED CHROMA INTRA-PREDICTION FOR VIDEO CODING Public/Granted day:2017-12-14
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