Multi-Camera Tracker Selection for Covert Target Tracking
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Solution Overview
Problem
Existing tracking systems, such as those described in Patent Literatures 1 to 6, often fail to support trackers like security guards in effectively tracking suspicious persons without being noticed, as the tracking targets can evade detection when they sense the guard's presence.
Innovation Solution
A tracking support system with a position calculating section, tracker selecting section, and information transmitting section that uses multiple cameras to calculate the position of a tracking target, selects an appropriate tracker, and transmits distance information to the tracker's terminal, enabling covert tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a tracker approaches the tracking target to maintain visual contact, then tracking effectiveness is improved, but the target may notice the tracker and evade detection
Solution Approach 1:
The system introduces an information transmission device as an intermediary between the tracker and the target. This device provides real-time distance information and approach warnings to the tracker, enabling covert tracking at optimal distances without the target noticing the tracker's presence.
Solution Approach 2:
The system implements feedback by continuously monitoring the distance between the tracker and target, and providing real-time warnings when the tracker approaches too closely. This feedback loop enables the tracker to maintain an optimal distance that ensures tracking effectiveness while avoiding target awareness.
2Measurement precision
If multiple cameras are deployed to improve tracking accuracy, then position calculation precision is improved, but system complexity increases
Solution Approach 1:
The information transmission device serves multiple functions: it calculates position based on camera data, determines distance between tracker and target, generates approach warnings, and communicates with the tracker's terminal. This multi-functionality reduces the need for separate systems for each function, thereby managing complexity while maintaining precision.
Data Source
AI summary
A tracking support system includes a position calculating section connected with a plurality of cameras arranged in a predetermined monitoring area to transmit video images imaged by the plurality of cameras and configured to calculate a position of the tracking target based on the video images received from the plurality of cameras; a tracker selecting section configured to select a tracker to be instructed to track the tracking target, based on position information of the terminal received from the terminal and the calculated position of the tracking target; and an information transmitting section configured to transmit information of a distance between the tracking target and the terminal during the tracking of the tracking target to the terminal carried by the selected tracker.