Camera Tracking Candidate Highlighting for Mobile Guard Monitoring
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Solution Overview
Problem
Existing monitoring systems fail to effectively track a moving user of a mobile communication terminal using a monitoring camera, as the photographed image may not necessarily include the user when the camera is controlled to the position acquired from the mobile terminal.
Innovation Solution
A monitoring system that includes a mobile terminal and a management device, which estimates the presence of tracking by a security guard, extracts moving objects from camera images as tracking candidates, and highlights these candidates for selection by an operator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the camera is controlled to the position acquired from the mobile communication terminal, then the user's position information can be transmitted to the monitoring camera, but the photographed image cannot necessarily include the user when the user is moving
Solution Approach 1:
The patent introduces a management device as an intermediary between the mobile terminal and the monitoring camera. The management device receives position information from the mobile terminal, determines appropriate camera control actions, and transmits control signals to the camera. This intermediary layer enables more sophisticated tracking logic that can handle moving targets effectively.
Solution Approach 2:
The system performs preliminary actions by continuously acquiring and transmitting position information from the mobile terminal to the management device before the actual tracking is needed. The management device proactively determines camera control actions based on this advance position data, ensuring the camera is already positioned to capture the moving user when tracking is initiated.
2Extent of automation
If the camera controls based on mobile terminal position, then the system can automatically track the user, but the system complexity increases due to multiple components interacting
Solution Approach 1:
The management device serves multiple functions: it receives position information from the mobile terminal, determines camera control actions based on this information, transmits control signals to the camera, and can also receive and process images from the camera. This multi-functional approach consolidates what could be separate complex components into a single coordinated system.
Solution Approach 2:
The system implements feedback loops where the management device continuously receives position information from the mobile terminal, adjusts camera control actions based on this feedback, and can also receive image feedback from the camera to verify successful tracking. This feedback mechanism enables automatic adaptation without requiring complex predetermined rules.
Data Source
AI summary
In a monitoring system, the management device estimates presence or absence of tracking by a security guard having the mobile terminal, extracts a moving object extracted from an image photographed by a camera as a tracking candidate when it is determined that the security guard performs tracking, and highlights the tracking candidate when displaying the tracking candidate photographed by the camera.