Apple inc. (20240205404). CHROMA QUANTIZATION IN VIDEO CODING simplified abstract
Contents
CHROMA QUANTIZATION IN VIDEO CODING
Organization Name
Inventor(s)
Alexandros Tourapis of Los Gatos CA (US)
CHROMA QUANTIZATION IN VIDEO CODING - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240205404 titled 'CHROMA QUANTIZATION IN VIDEO CODING
Abstract: A method of signaling additional chroma QP offset values that are specific to quantization groups is provided, in which each quantization group explicitly specifies its own set of chroma QP offset values. Alternatively, a table of possible sets of chroma QP offset values is specified in the header area of the picture, and each quantization group uses an index to select an entry from the table for determining its own set of chroma QP offset values. The quantization group specific chroma QP offset values are then used to determine the chroma QP values for blocks within the quantization group in addition to chroma QP offset values already specified for higher levels of the video coding hierarchy.
- Simplified Explanation:
- The method allows for specific chroma QP offset values for quantization groups. - A table of possible sets of chroma QP offset values can be used to determine values. - This helps in setting chroma QP values for blocks within quantization groups.
Key Features and Innovation: - Custom chroma QP offset values for quantization groups. - Use of a table to select chroma QP offset values. - Enhanced control over chroma QP values in video coding.
Potential Applications: - Video coding and compression technologies. - Multimedia streaming services. - Broadcasting and digital television.
Problems Solved: - Improved efficiency in video coding. - Enhanced customization of chroma QP values. - Better quality control in multimedia applications.
Benefits: - Higher precision in setting chroma QP values. - Increased flexibility in video coding parameters. - Enhanced visual quality in multimedia content.
Commercial Applications: - Optimizing video streaming services. - Improving video compression algorithms. - Enhancing video quality in broadcasting.
Prior Art: - Researchers in the field of video coding and compression. - Patent databases related to video encoding technologies.
Frequently Updated Research: - Ongoing studies on chroma QP offset optimization. - Research on improving video coding efficiency.
Questions about Chroma QP Offset Values: 1. How does the method enhance control over chroma QP values in video coding? 2. What are the potential implications of using specific chroma QP offset values for quantization groups?
Original Abstract Submitted
a method of signaling additional chroma qp offset values that are specific to quantization groups is provided, in which each quantization group explicitly specifies its own set of chroma qp offset values. alternatively, a table of possible sets of chroma qp offset values is specified in the header area of the picture, and each quantization group uses an index to select an entry from the table for determining its own set of chroma qp offset values. the quantization group specific chroma qp offset values are then used to determine the chroma qp values for blocks within the quantization group in addition to chroma qp offset values already specified for higher levels of the video coding hierarchy.
