Nested Identifier Structure for Cross-Period Object Tracking in Streaming Media
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Solution Overview
Problem
Existing solutions for media content streaming over HTTP, particularly with the DASH standard, fail to efficiently manage media content partitioned across multiple periods, especially in spatially partitioned videos, leading to difficulties in tracking specific objects or spatial sub-parts across different time periods.
Innovation Solution
A method for streaming media data that organizes description files into data boxes related to time periods, with level-one sub-boxes containing parameters for media items, further organized into level-two and level-three sub-boxes for temporal segments, and includes identifiers across multiple periods to maintain content continuity and spatial relationships.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If media content is partitioned into multiple periods with separate identifiers, then each period can be independently managed and streamed, but tracking specific objects or spatial sub-parts across different time periods becomes difficult
Solution Approach 1:
The patent embeds identifiers within identifiers, placing period identifiers inside content identifiers. This nested structure allows the content identifier to maintain object identity across period boundaries while the period identifier tracks temporal segmentation, resolving the contradiction between independent period management and continuous object tracking.
Solution Approach 2:
The patent introduces a hierarchical dimension to identifier organization by creating nested levels (period identifiers containing content identifiers). This dimensional transformation enables simultaneous operation at multiple levels: period-level independence for streaming management and content-level continuity for object tracking across periods.
2Device complexity
If identifiers are defined only within the scope of a single period, then period independence is maintained, but the same media content component cannot be recognized across different periods
Solution Approach 1:
Content identifiers are nested within period identifiers, creating a hierarchical structure where each period identifier contains references to its constituent content components. This allows the system to maintain period independence at the outer level while ensuring content recognition across periods through the nested identifier relationships.
Solution Approach 2:
The identifier system is segmented into hierarchical levels: period identifiers for temporal segmentation and content identifiers for component identification. This segmentation allows independent management of periods while maintaining reliable content recognition through the structured relationship between identifier levels.
3Loss of energy
If spatial sub-parts (tiles) are transmitted separately for low capacity applications, then bandwidth usage is reduced, but tracking objects across tile boundaries and time periods becomes complex
Solution Approach 1:
Tile identifiers are nested within content identifiers, which are in turn nested within period identifiers. This multi-level nesting allows the system to track individual tiles for efficient bandwidth usage while maintaining object continuity across tile boundaries through the hierarchical identifier relationships.
Solution Approach 2:
The patent introduces a hierarchical dimension to tile identification by embedding tile-level identifiers within content-level identifiers. This dimensional transformation enables simultaneous tile-level granularity for bandwidth optimization and content-level continuity for object tracking, resolving the complexity of tracking objects across tiled video streams.
Data Source
AI summary
A method for streaming data corresponding to one or more media items or combinations of media items, said media items or combinations of media items being organized into time periods. The method includes transmitting a description file to a client device, said description file being organized into data boxes, each one being related to a time period, at least one box comprising one or more level-one sub-boxes comprising parameters related to a media item or combination of media items for the given time period, each level-one sub-box being organized into one or more level-two sub-boxes dedicated to temporal segments of the corresponding media item or combination of media items for the given time period, each level-two sub-box being organized into one or more level-three sub-boxes, each one being related to a portion of the temporal segment for the given media item or combination of media items.