Fixed-Camera Surveillance With Temporary Blind-Spot Coverage
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Solution Overview
Problem
Fixed cameras in surveillance systems have limited coverage due to dead angles and cost limitations, leading to incomplete event capture and privacy concerns, making it difficult for security officers to monitor areas not covered by fixed cameras.
Innovation Solution
A surveillance system incorporating a fixed camera and temporary cameras, with a control means to extend coverage by deploying and adjusting temporary cameras based on sensor data from both fixed and temporary cameras, using sensors like GPS, gyroscopes, and accelerometers to estimate and adjust the field of view.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If fixed cameras are used for surveillance, then cost is reduced and installation is simple, but coverage area is limited due to dead angles
Solution Approach 1:
The patent employs temporary cameras that can be dynamically deployed and repositioned based on real-time event detection. These cameras transition from a static fixed camera system to a dynamic system where camera positions and fields of view are adjusted according to detected abnormal events, enabling comprehensive coverage without permanently increasing system complexity
Solution Approach 2:
The surveillance system is segmented into fixed cameras for baseline coverage and temporary cameras for extended coverage. This segmentation allows the system to maintain simple fixed camera infrastructure while adding temporary camera units only when needed to cover blind spots, effectively dividing the coverage problem into manageable parts
2Area of stationary object
If more cameras are deployed to eliminate dead angles, then surveillance coverage is improved, but cost increases
Solution Approach 1:
Instead of permanently installing additional cameras throughout the entire surveillance area, the system dynamically deploys temporary cameras only when and where abnormal events are detected. This dynamic approach reduces the average number of cameras needed while maintaining comprehensive coverage capability
Solution Approach 2:
The system uses sensors and detection algorithms to automatically identify blind spots and deploy temporary cameras without human intervention. The temporary cameras self-position and self-configure to cover detected blind spots, eliminating the need for manual camera deployment and reducing overall system cost
3Ease of operation
If fixed cameras are used, then installation is simple, but privacy concerns arise in uncovered areas
Solution Approach 1:
The temporary cameras are activated only when abnormal events are detected in specific areas, rather than continuously monitoring all regions. This dynamic activation reduces privacy intrusion in areas without events while maintaining security coverage where needed, balancing installation simplicity with privacy protection
Data Source
AI summary
A surveillance system including a fixed camera and one or more temporary cameras and a control means coupled to the fixed camera and the one or more temporary cameras is disclosed. The control means is configured to extend coverage of the fixed camera using the one or more temporary cameras coupled to the fixed camera. Each of the one or more temporary cameras includes one or more sensors and is configured to be deployed and adjusted based on sensor data obtained from the one or more sensors of the one or more temporary cameras and from one or more fixed camera sensors co-located with the fixed camera.