Physical Distancing Detection via Oblique Image Coordinate Conversion
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Solution Overview
Problem
Current methods for maintaining physical distancing, such as using markings and staff management, are labor-intensive and inefficient, especially in large and busy spaces like hypermarkets or amusement parks, necessitating a more effective solution for enhancing distancing effects and efficiency.
Innovation Solution
A system and method utilizing an image-capturing device that captures images of a specified area, converts coordinates using a coordinate conversion function, and determines physical distancing conditions between individuals, automatically taking actions when distancing is not maintained, such as issuing a warning signal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual marking and staff management are used for physical distancing, then physical distancing can be maintained, but labor cost and operational complexity increase significantly
Solution Approach 1:
The patent replaces the manual mechanical system of staff monitoring and ground markings with an automated optical detection system using image-capturing devices and coordinate conversion technology. The system automatically captures images, converts coordinates from oblique to overhead perspectives, and detects physical distancing compliance without human intervention, thereby reducing labor complexity while maintaining detection reliability
Solution Approach 2:
The system enables self-service physical distancing detection by automatically performing image capture, coordinate conversion, and distance calculation without requiring staff management. The automated warning signals guide individuals to maintain proper distancing independently, eliminating the need for continuous human supervision
2Area of stationary object
If numerous markings and markers are deployed in large spaces, then physical distancing coverage is improved, but cost and operational complexity increase
Solution Approach 1:
The patent replaces the extensive physical infrastructure of ground markings and markers with a digital image-based detection system. By capturing images and converting coordinates mathematically, the system achieves the same coverage area without deploying numerous physical objects, thereby reducing complexity while maintaining large-area monitoring capability
Solution Approach 2:
Instead of using physical markings on the ground, the system creates a virtual copy of the area through image capture and coordinate conversion. This digital representation allows for unlimited coverage area without requiring proportional increases in physical markers or markings
3Measurement precision
If manual physical distancing management is used, then some level of detection is achieved, but detection efficiency and response speed are low
Solution Approach 1:
The patent implements continuous automated image capture and real-time coordinate conversion, enabling uninterrupted physical distancing detection. The system continuously monitors the area, processes images automatically, and provides immediate feedback through warning signals, thereby achieving both high detection precision and sustained operational efficiency without manual intervention
Solution Approach 2:
The system replaces slow manual detection with automated optical capture and computational coordinate conversion. The image-capturing device and processing system work together to rapidly analyze distances and generate warnings, dramatically improving detection speed and efficiency while maintaining measurement precision
Data Source
AI summary
A system for physical-distancing detection in a specified area includes a locator locating a positioning quadrangle plane in a specified area; an image-capturing device obliquely capturing an image of the specified area to generate a captured image of the specified area; and a coordinate converter defining a coordinate conversion function according to raw coordinates of selected points of the positioning quadrangle plane in the captured image of the specified area and reference coordinates of the selected points of the positioning quadrangle plane in an overlooked image of the specified area. The image-capturing device converts raw coordinates of the captured image of the specified area into converted coordinates of the overlooked image of the specified area by way of the coordinate conversion function, determines a physical-distancing condition between two persons according to the converted coordinates, and automatically takes an action corresponding to the physical-distancing condition.