METHOD AND DEVICE FOR RESTRICTED LINEAR MODEL PARAMETER DERIVATION IN VIDEO CODING

DE602019083135T2Active Publication Date: 2026-04-01HFI INNOVATION INC
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2019-04-23
Publication Date
2026-04-01

AI Technical Summary

Technical Problem

Existing Intra prediction methods for chroma components in video coding face challenges with inaccurate LM parameters due to unavailable neighboring samples at boundaries, leading to inefficiencies and increased buffer requirements.

Method used

The method employs additional neighboring samples from accessible areas to derive LM parameters when traditional samples are inaccessible, and adapts multi-LM modes to handle restricted boundaries, ensuring accurate prediction by using expanded or modified sample regions.

Benefits of technology

Improves the accuracy of chroma Intra prediction and reduces buffer requirements by effectively handling restricted boundaries, enhancing video coding performance.

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