Metadata Propagation Rules in Non-Linear Video Editing
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Solution Overview
Problem
Modern non-linear editors often ignore auxiliary metadata associated with digital video, and there is a lack of coherent methods for propagating metadata across different stages of the video processing system, necessitating an innovative approach for metadata management.
Innovation Solution
A method for processing metadata in a multi-state video processing system that specifies and applies rules for propagating metadata between stages, including exporting, recapturing, and displaying metadata based on defined rules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If metadata is propagated across all stages of the video processing system, then metadata availability and usability are improved, but system complexity and processing overhead increase
Solution Approach 1:
The patent segments metadata into different types (e.g., camera settings, timecode, scene information) and applies different propagation rules to each type. This allows selective propagation of only relevant metadata through different processing stages, reducing overall system complexity while maintaining metadata availability where needed.
Solution Approach 2:
The system dynamically adjusts metadata propagation based on the current processing stage and user preferences. Metadata propagation rules are not static but adapt to different contexts (e.g., during editing vs. during export), allowing the system to maintain flexibility while managing complexity.
2Adaptability or versatility
If multiple rules are defined for propagating different types of metadata, then metadata management flexibility is improved, but rule management complexity increases
Solution Approach 1:
The patent implements a universal rule management system that handles multiple types of metadata through a common framework. The same propagation engine and rule structure are used across different metadata types and processing stages, providing flexibility without requiring separate complex management systems for each metadata type.
Solution Approach 2:
The system uses template-based rule copying where standard propagation rules can be defined once and then copied or instantiated for different metadata types. This allows editors to quickly set up metadata propagation for multiple types by copying and modifying base templates, reducing the complexity of managing numerous individual rules.
3Reliability
If metadata is exported to storage based on specified rules, then data integrity is improved, but processing time increases
Solution Approach 1:
The system performs preliminary evaluation of export rules before actual metadata export. It pre-determines which metadata should be exported based on the specified rules, allowing for optimized export operations that only process necessary data, thus maintaining data integrity while reducing processing time.
Solution Approach 2:
The patent extracts only the necessary metadata for export based on the specified rules, rather than exporting all metadata unconditionally. This selective extraction approach maintains data integrity for required metadata while minimizing processing time by avoiding unnecessary export operations.
Data Source
AI summary
Some embodiments provide a method for processing metadata associated with digital video in a multi-state video computer readable medium. The method specifies a set of rules for propagating the metadata between different states in the video computer readable medium. It then propagates the metadata between the states based on the specified set of rules.