Methods and apparatus for encoding and decoding images or videos using combined intra modes
JP2025524401A5Pending Publication Date: 2026-06-22INTERDIGITALCE PATENT HLDG SAS
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- INTERDIGITALCE PATENT HLDG SAS
- Filing Date
- 2023-06-22
- Publication Date
- 2026-06-22
AI Technical Summary
Technical Problem
Existing video coding schemes face challenges in achieving high compression efficiency due to limitations in intra-prediction modes, particularly in handling spatial and temporal redundancies within video content.
Method used
A method and apparatus for encoding and decoding video blocks using a combination of non-directional and directional intra-prediction modes, including weighted averages and template-based derivations, to enhance prediction accuracy and reduce signaling overhead.
Benefits of technology
Improves video compression efficiency by optimizing intra-prediction through combined modes, leading to reduced bit rates and enhanced decoding performance.
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Smart Images
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Abstract
A method and apparatus for encoding or decoding blocks of an image or video are disclosed. For at least one block of the image or video, a first intra prediction mode is obtained and a second intra prediction mode is obtained. The at least one block is encoded or decoded based on a combination of the first intra prediction mode and the second intra prediction mode. In one embodiment, the first intra prediction mode is a non-directional based intra prediction mode and the second intra prediction mode is a directional intra prediction mode.
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