ADAPTIVE SCAN SEQUENCE AND DIRECTIONAL TRANSFORMATION FOR DIFFERENT COLOR SUBSAMPING FORMATS
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- SONY GROUP CORP
- Filing Date
- 2013-04-26
- Publication Date
- 2026-06-17
AI Technical Summary
Current video codecs like HEVC struggle to balance compression efficiency and quality for professional broadcast and digital cinema equipment, particularly in chroma channels, due to fixed relationships between luma and chroma channels that do not accommodate different data requirements.
Implementing mode-dependent coefficient scanning and directional transforms to adaptively adjust block sizes and scanning patterns for luma and chroma channels, allowing for variable compression based on image complexity and motion levels.
Enhances compression efficiency and image quality by optimizing data handling in chroma channels, particularly in professional applications like broadcasting and digital cinema, while maintaining compatibility with existing HEVC frameworks.