Video Recorder Proxy Recording and Camera Registration
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Solution Overview
Problem
In surveillance systems with multiple video recorders and cameras connected via a communication network, manual camera registration is cumbersome and prone to errors, leading to potential surveillance vacuums when video recorders malfunction.
Innovation Solution
Implementing a system where video recorders communicate and share camera registration information, allowing proxy recording by other recorders in case of errors, with automatic camera registration and load-based proxy assignment according to preset guidelines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual camera registration is used in surveillance systems, then camera-to-recorder allocation can be controlled, but registration is cumbersome and error-prone leading to surveillance vacuums
Solution Approach 1:
The system enables automatic camera registration where video recorders autonomously discover and register cameras on the network without manual intervention. The recorder actively searches for cameras, receives registration information, and configures itself, eliminating the need for operators to manually allocate cameras to recorders while ensuring complete coverage and preventing surveillance vacuums.
Solution Approach 2:
The system implements a feedback mechanism where the video recorder monitors the registration status of cameras and automatically detects when cameras need to be registered. Based on this feedback, the recorder initiates the camera search and registration process, continuously maintaining optimal surveillance coverage without requiring manual checks or interventions.
2Adaptability or versatility
If multiple video recorders are deployed to handle large numbers of cameras, then system capacity increases, but complexity of camera allocation and error management increases
Solution Approach 1:
The system introduces an automatic camera search and registration mechanism as an intermediary process between cameras and multiple video recorders. This intermediary automatically manages camera-to-recorder allocation by having recorders search for cameras, receive registration information, and configure themselves, eliminating the need for complex manual allocation management across multiple recorders.
Solution Approach 2:
The system implements dynamic camera allocation where video recorders can automatically discover and register cameras in real-time based on network availability and recorder capacity. This dynamic approach allows the system to adapt to changing conditions and automatically balance the load across multiple recorders without requiring static pre-configuration or complex manual management.
3Reliability
If camera registration information is shared among video recorders, then proxy recording can prevent surveillance vacuums, but network communication overhead increases
Solution Approach 1:
The system performs preliminary camera registration where the video recorder proactively searches for cameras and receives registration information before surveillance gaps can occur. By anticipating potential failures and pre-configuring camera allocations, the system can quickly activate proxy recording capabilities without requiring extensive real-time communication when errors occur, thus reducing overall network overhead.
Solution Approach 2:
The system implements proxy recording where registration information and surveillance data are copied to backup recorders. Instead of maintaining continuous real-time communication between all recorders, the system creates copies of camera registration information and surveillance streams on alternative recorders, enabling failover without requiring constant network communication and thus reducing energy consumption.
Data Source
AI summary
In a surveillance system, a plurality of video recorders and a plurality of cameras are connected to a communication network. The video recorders communicate with one another and share camera registration information with one another. If one of the video recorders has an error during operation, at least one of the other video recorders performs a proxy recording operation in place of the video recorder having the error.