Video Encoder and Decoder Display Information Flags for Faster Processing
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Solution Overview
Problem
Existing video coding technologies face challenges in efficiently processing and optimizing the encoding and decoding of digital video data, particularly as the amount of data increases.
Innovation Solution
The proposed solution involves an encoder and decoder system that writes and reads flags indicating the presence of display information such as image aspect ratio, color description, and chroma location in the bitstream, allowing for reduced processing and improved efficiency by eliminating unnecessary searches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If display information flags are written into the bitstream, then decoding accuracy is improved, but processing amount increases
Solution Approach 1:
The patent extracts only the essential display information flags (aspect ratio, color description, chroma location) from the full set of possible display parameters and writes only these critical flags into the bitstream. This selective extraction approach ensures decoding accuracy for essential display attributes while minimizing the processing amount by excluding redundant or less critical information.
2Measurement precision
If display information flags are written into the bitstream, then decoding accuracy is improved, but encoding complexity increases
Solution Approach 1:
The encoding process is simplified by extracting only the three essential display information flags (image aspect ratio, color description, chroma location) from the comprehensive set of display parameters. This extraction approach maintains decoding accuracy for critical display attributes while reducing encoding complexity by eliminating the need to process and encode less critical display information.
3Productivity
If display information flags are written into the bitstream, then encoding efficiency is improved, but device complexity increases
Solution Approach 1:
The patent improves encoding efficiency by extracting and encoding only the essential display information flags (image aspect ratio, color description, chroma location) that are most critical for display accuracy. This selective approach reduces the overall encoding workload and device complexity by excluding redundant display parameters, thereby achieving better encoding efficiency with reduced device complexity.
4Productivity
If display information flags are written into the bitstream, then processing efficiency is improved, but device complexity increases
Solution Approach 1:
The patent enhances processing efficiency by extracting only the essential display information flags (image aspect ratio, color description, chroma location) from the complete set of display parameters. This extraction strategy reduces the amount of data that needs to be processed during both encoding and decoding operations, thereby improving processing efficiency while minimizing the increase in device complexity.
Data Source
AI summary
An encoder includes circuitry and memory coupled to the circuitry. In operation, the circuitry: writes, into a sequence parameter set which is header information of a sequence, video usability information syntax which is information for realizing an additional function in display of an image, and syntax different from the video usability information syntax. The syntax includes at least one parameter related to display timing of the image.