Centerpoint prediction error diffusion to indicate current compression
Patent Information
- Application Number
- DE602018077480
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2018-04-11
- Filing Date
- 2018-04-12
- Publication Date
- 2024-12-11
- Estimated Expiration
- 2038-04-12
AI Technical Summary
Current display link video compression techniques, such as DSC, face challenges in supporting high-resolution displays with limited bandwidth, often resulting in visually lossy or expensive implementations, and require improvements in noise representation under compression.
The introduction of error diffusion in video compression codecs, specifically in midpoint prediction and fallback modes, enhances the representation of random noise and improves compression ratios, allowing for visually lossless compression even under heavy compression, by diffusing quantization errors across neighboring pixels.
This approach increases the compression ratio from 3:1 to 4:1, maintains visually lossless quality, and reduces accumulated error, making it suitable for high-resolution displays while being cost-effective and easy to implement.