Abnormal Mobile Station Gathering Detection for Security Surveillance
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Solution Overview
Problem
As surveillance equipment becomes more pervasive, managing and monitoring activity across multiple locations becomes challenging due to the difficulty in devoting adequate attention to recorded data, leading to potential safety and security issues, increased costs, and bandwidth constraints.
Innovation Solution
A method and system that detect a threshold number of mobile stations in a given area, obtaining and processing data from surveillance equipment, and alerting users or law enforcement, utilizing a server with communication, storage, and processing capabilities to efficiently manage and output relevant data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If surveillance equipment is deployed at an increasing number of different locations, then safety and security monitoring coverage is improved, but the difficulty of devoting adequate attention to surveillance data and the cost of data storage increase
Solution Approach 1:
The system performs preliminary actions by detecting mobile station gatherings before unwanted activity occurs. The server continuously monitors mobile station locations and triggers surveillance data retrieval only when abnormal gatherings are detected, rather than continuously monitoring all surveillance locations. This preliminary detection approach reduces the burden of managing surveillance data across multiple locations while maintaining safety coverage.
2Reliability
If additional surveillance equipment is deployed to monitor more locations, then safety and security monitoring capability is improved, but data storage costs and space requirements increase
Solution Approach 1:
The system applies partial action by retrieving surveillance data selectively rather than continuously. Surveillance data is retrieved only for locations where abnormal mobile station gatherings are detected, which is a partial subset of all monitored locations. This approach maintains safety monitoring capability while significantly reducing the volume of surveillance data that needs to be stored and managed.
3Ease of operation
If surveillance equipment is monitored remotely via network, then ease of operation is improved, but network bandwidth consumption increases
Solution Approach 1:
The system implements periodic action by retrieving surveillance data only at specific intervals triggered by mobile station gathering detection. Instead of continuously streaming surveillance data over the network, the system periodically checks mobile station locations and retrieves surveillance data only when abnormal patterns are detected. This maintains remote monitoring capability while dramatically reducing network bandwidth consumption.
4Measurement precision
If continuous surveillance data retrieval is implemented, then detection precision of unwanted activity is improved, but network bandwidth consumption and data storage requirements increase
Solution Approach 1:
The system introduces an intermediary detection mechanism that uses mobile station location data as an intermediate indicator of potential unwanted activity. Instead of directly analyzing all surveillance data for unwanted activity, the system first monitors mobile station gatherings as an intermediary signal. When abnormal gatherings are detected, this triggers retrieval of surveillance data for precise analysis. This intermediary approach maintains detection precision while reducing network bandwidth consumption.
Data Source
AI summary
A server may detect a threshold number of mobile stations (e.g., total mobile stations or mobile stations belonging to a predefined group) currently located at an area, such as by determining that a number of mobile stations currently located at an area is greater than a desired maximum number of mobile stations or less than a desired minimum number of mobile stations. The threshold number may be determined based on a typical number of mobile stations located at the area. In response to detecting the threshold number of mobile stations, the server may obtain data recorded by surveillance equipment located at the area (including data recorded by mobile stations temporarily acting as surveillance equipment,) which data represents activity at the area. To obtain the data, the server may instruct the surveillance equipment to begin recording data. The server may then output the received data for receipt by a user.