Vehicle Video Accident Detection for Roads Without CCTV Coverage
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Solution Overview
Problem
Existing systems relying on closed circuit televisions (CCTVs) for providing traffic accident information face challenges due to incomplete installation and malfunctioning, especially on low-traffic roads, making it difficult to obtain accurate information on minor and major accidents.
Innovation Solution
A method and apparatus utilizing video data from vehicle black boxes and cameras to identify congestion starting points and accident locations, incorporating emergency light and turn signal analysis, air quality measurements, and risk level evaluation, and providing real-time information to nearby vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If CCTVs are installed on roads to provide traffic accident information, then accident information can be provided, but CCTVs cannot be installed on all roads (especially country roads, alleys, and low traffic volume roads) and may malfunction
Solution Approach 1:
The patent makes vehicles serve multiple functions: they are not only for transportation but also act as mobile CCTVs by equipping them with black boxes and camera sensors that record traffic conditions. This allows any vehicle to function as a surveillance device, eliminating the limitation of fixed CCTVs being unable to cover all road types.
Solution Approach 2:
Vehicles utilize their own onboard recording devices (black boxes and camera sensors) to capture traffic accident information themselves, rather than relying on external fixed CCTVs. This self-service approach ensures that every vehicle can contribute to accident information collection regardless of road infrastructure.
2Loss of information
If reliance is placed solely on CCTVs for accident information, then infrastructure utilization is maximized, but minor and major accidents in regions without CCTVs cannot be detected
Solution Approach 1:
The patent introduces a communication server as an intermediary that collects accident information from multiple sources including vehicle black boxes, camera sensors, and fixed CCTVs. This server aggregates data from diverse sources and distributes it to relevant vehicles, ensuring comprehensive accident information coverage without over-reliance on any single infrastructure type.
Solution Approach 2:
The patent merges multiple information collection systems (vehicle black boxes, camera sensors, and fixed CCTVs) into a unified accident information provision system. By combining these sources, the system achieves comprehensive coverage of accidents across all road types while maintaining infrastructure efficiency.
3Measurement precision
If vehicle video data is used to identify congestion starting points and accident locations, then accurate accident information can be provided even without CCTVs, but video analysis and risk evaluation systems become necessary
Solution Approach 1:
The patent implements a feedback mechanism where vehicle camera sensors and black boxes continuously capture traffic conditions, the communication server analyzes this data to identify congestion starting points and accident locations, and then provides feedback information back to vehicles. This closed-loop system ensures accurate real-time accident detection and information provision.
Solution Approach 2:
The system performs preliminary actions by continuously collecting and analyzing video data from vehicles before accidents occur, identifying potential congestion starting points and risk levels in advance. This proactive approach enables the system to provide warning information to vehicles before actual accidents happen, improving measurement precision while managing system complexity through automated analysis.
Data Source
AI summary
A method for providing accident information includes determining a congestion starting point using first videos collected from vehicles driving on roads in respective regions. The method also includes identifying an accident occurrence point based on a result of analyzing second videos collected for a predetermined period from a time of passing the congestion starting point from vehicles that have passed the congestion starting point. The method additionally includes providing information on the accident occurrence point to display devices provided in vehicles located within a predetermined radius from the accident occurrence point.