Video Headcount Management With Region and Line Counting
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Solution Overview
Problem
Existing surveillance camera systems fail to accurately count the number of individuals within a specific region and those passing through a designated position, and do not provide intuitive display methods for managers.
Innovation Solution
A person count apparatus and method that utilizes object detection units to measure the number of individuals in a region and those passing a predetermined position, with graphical displays for easy understanding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If surveillance cameras are installed to capture images for analysis, then the ability to monitor and analyze person movements is improved, but the accuracy of counting persons in specific regions and passing positions deteriorates
Solution Approach 1:
The patent divides the monitoring area into multiple regions of interest (ROIs) and sets multiple detection lines at different positions. Each ROI and detection line independently counts persons, allowing the system to accurately distinguish between persons in specific regions and those passing through designated positions, thereby resolving the counting accuracy problem while maintaining comprehensive monitoring coverage.
2Measurement precision
If detailed person counting data is collected for each region and time period, then the precision of analysis results is improved, but the complexity of data processing and display deteriorates
Solution Approach 1:
The patent extracts and separates different counting results into distinct categories: persons in specific regions, persons passing through designated positions, and temporal distribution data. By extracting these different types of information separately and presenting them through dedicated display interfaces, the system maintains high analysis precision while reducing the perceived complexity for users.
3Adaptability or versatility
If multiple detection methods are implemented to count persons in regions and passing positions, then the versatility of the system is improved, but the device complexity deteriorates
Solution Approach 1:
The patent implements a universal detection framework where multiple regions of interest and detection lines can be configured within a single surveillance system. The same image processing unit handles all detection tasks, and the display unit presents various counting results through a unified interface. This multi-functional approach allows the system to perform multiple detection methods simultaneously without proportionally increasing overall system complexity.
Data Source
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AI summary
A person count management apparatus for managing a person count for each time period based on image data obtained by image capturing means, sets one of a region person count that counts the number of persons existing in a predetermined region of the image data and a passing person count that counts the number of persons passing a predetermined line set in the image data, and displays a person count result from the image data on a display unit in accordance with the setting, wherein if the region person count is set in the setting step, a still image captured by the image capturing means in a time period corresponding to a selected person count result is displayed, and if the passing person count is set in the setting step, a moving image captured by the image capturing means in a time period corresponding to the selected person count result is reproduced.