Media File Operating Point Lists for Reliable VVC Processing
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Solution Overview
Problem
The increasing demand for high-resolution and high-quality images leads to increased transmission and storage costs due to the higher amount of information required, necessitating high-efficiency image compression technologies.
Innovation Solution
A method and apparatus for configuring a file format that supports VVC (Versatile Video Coding) to efficiently store and transmit video/image data, addressing issues related to operating point lists in media file generation and processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If high-resolution and high-quality image data are transmitted using existing wired or wireless wideband lines, then image quality is improved, but transmission costs increase
Solution Approach 1:
The patent extracts and transmits only the essential visual information needed for high-quality image reproduction, separating critical data from redundant data. This allows high image quality to be achieved while transmitting fewer bits, thereby reducing transmission costs and energy consumption.
Solution Approach 2:
The patent changes the parameter of information density by using advanced compression algorithms that achieve higher compression ratios. This allows the same visual quality to be transmitted with fewer bits, resolving the contradiction between image quality and transmission cost.
2Manufacturing precision
If high-resolution and high-quality image data are stored using existing storage media, then image quality is improved, but storage costs increase
Solution Approach 1:
The patent extracts and stores only the essential visual information needed for high-quality image reproduction, separating critical data from redundant data. This allows high image quality to be achieved while storing fewer bits, thereby reducing storage costs.
Solution Approach 2:
The patent changes the parameter of information density by using advanced compression algorithms that achieve higher compression ratios. This allows the same visual quality to be stored with fewer bits, resolving the contradiction between image quality and storage cost.
3Adaptability or versatility
If operating point list information is not clearly defined in media file structure, then file format flexibility is improved, but processing reliability deteriorates
Solution Approach 1:
The patent performs preliminary action by pre-defining the structure and content requirements for operating point lists in the media file format specification. This ensures that processing reliability is maintained while preserving file format flexibility, as the framework is established in advance but allows for specific implementations.
Solution Approach 2:
The patent introduces an intermediary layer of standardized metadata structures that mediate between the flexible file format and the reliable processing requirements. This intermediary structure ensures that operating point information is consistently formatted and accessible, improving reliability without restricting format flexibility.
Data Source
AI summary
A media file generation method according to the present document comprises the steps of: deriving information related to an operating point list; configuring a group related to an operating point including information related to the operating point list; and generating a media file including the group related to the operating point, wherein the information related to the operating point list includes specific information for indicating that the operating point list contains all operating points that are present in a sample entry of a track indicating a bitstream.