Object Counting Method with Route Distribution Property
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Solution Overview
Problem
Conventional object counting methods and image processing devices fail to show the position distribution variation of objects over time, lacking the ability to display route distribution properties effectively.
Innovation Solution
An object counting method and image processing device that records initial and final position data of moving objects, sets detection lines within an image frame, and generates an object distribution diagram based on the relationship between the number of objects crossing these lines and time, allowing for the visualization of route distribution properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If conventional heat map method is used to show object distribution, then integrated distribution result is obtained, but position distribution variation at different points of time cannot be shown
Solution Approach 1:
The patent segments the continuous object distribution data into discrete time intervals, creating separate distribution diagrams for different time points. This segmentation allows position distribution variation over time to be clearly displayed while maintaining manageable data processing complexity.
Solution Approach 2:
The patent adds a time dimension to the traditional spatial heat map by creating multiple distribution diagrams at different time points and arranging them in a temporal sequence. This dimensional transformation enables the display of position distribution variation without significantly increasing processing complexity.
2Measurement precision
If detection line is set to filter uninterested moving trace, then relevant object flow is accurately counted, but more complex detection line configuration is required
Solution Approach 1:
The detection line is designed with multi-functionality, serving both as a filtering boundary for excluding uninterested moving traces and as a reference for determining object flow direction. This universal design improves counting accuracy while reducing operational complexity by consolidating multiple functions into a single element.
Data Source
AI summary
An object counting method having route distribution property is applied to an image processing device. The object counting method includes steps of recording an initial position datum and a final position datum of any object moving within an image frame, setting at least one detection line inside the image frame, determining whether a connection line between the initial position datum and the final position datum moves across the detection line, and drawing an object distribution diagram by relation between an amount of the object moving across the detection line and its detective period.