Cooperative Event Data Record System for Accident Evidence
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Solution Overview
Problem
Current car video recorders often fail to provide clear evidence in accidents due to limited storage capacity and the 'human flesh search' method, which relies on outdated or deleted videos from other vehicles, making it difficult to determine accident responsibility effectively.
Innovation Solution
A cooperative event data record system that includes an in-car system with a communication module, cooperative event record processing unit, and impact determination module, allowing for the transmission and retrieval of video data between vehicles and a central database to ensure critical video data is preserved and shared efficiently during accidents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If car video recorder uses limited storage space for circulating storage, then storage capacity is optimized, but video evidence from other vehicles is lost due to overwriting
Solution Approach 1:
The patent merges video recording resources from multiple vehicles into a cooperative network. When an accident occurs, neighboring vehicles' recorders contribute their video footage to form a comprehensive evidence set, combining individual limited storage capacities into a collective information pool that preserves evidence from all perspectives.
Solution Approach 2:
The patent introduces a base station as an intermediary that receives, stores, and manages video evidence from multiple vehicles. The base station acts as a centralized repository that prevents data loss by maintaining video records even when individual vehicle recorders overwrite their storage, enabling reliable evidence retrieval for accident reconstruction.
2Device complexity
If car video recorder relies on single vehicle recording, then device complexity is minimized, but accident responsibility determination is insufficient due to limited viewing angles
Solution Approach 1:
The patent combines video data from multiple vehicles with different spatial positions and viewing angles into a unified accident scene reconstruction. This multi-perspective merging provides comprehensive coverage of the accident event, enabling accurate determination of responsibility by showing the complete sequence of events from various viewpoints.
3Productivity
If car video recorder uses traditional circulating storage, then storage efficiency is improved, but critical video evidence is lost when accidents occur after video circulation completes
Solution Approach 1:
The patent implements preliminary action by having neighboring vehicles proactively record and prepare video evidence before accidents occur. The system pre-establishes a cooperative recording network where vehicles continuously monitor and record their surroundings, ensuring that critical evidence is captured and preserved in the base station before any accident happens, rather than relying on post-accident retrieval.
Data Source
AI summary
A cooperative event data record system includes an in-car system working cooperatively with a communication system. The in-car system has a communication module, a cooperative event record processing unit and an impact determination module. The cooperative event record processing unit connects to the communication module, the impact determination module and an event data record unit. The impact determination module transmits a signal to the cooperative event record processing unit. The communication module transmits a request from the cooperative event record processing unit to a communication module element of the communication system, and receives a response from the communication module element. According to the response, the cooperative event record processing unit stores at least a video data to the event data record unit, or retrieves video data from the event data record unit.