Counting Flow Path Adjustment for Object Turn Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional flow rate analysis techniques fail to recognize and count objects that make turns while passing through a detection line, as they only focus on straight passage, leading to incomplete monitoring in various environments.
Innovation Solution
An image monitoring system with a setting function for a counting flow path is developed, allowing for the adjustment of boundaries and detection points to determine if an object passes through a monitoring area by using an image capturing device, input device, and operational controlling device to define and adjust the counting flow path based on relative positions and angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional detection line is used to count objects, then the system is simple and easy to operate, but it cannot recognize objects making turns after passing through the detection line, leading to incomplete monitoring
Solution Approach 1:
The detection system is segmented into multiple components: a detection line for initial object detection, multiple flow path boundaries (first, second, third, fourth) to define different movement zones, and angle control points to segment the angular space. This segmentation allows the system to handle different movement patterns (straight, turning left, turning right) separately and comprehensively
Solution Approach 2:
The system transitions from a one-dimensional detection line to a two-dimensional counting flow path area. By introducing angular dimensions (first angle control point, second angle control point) and radial dimensions (multiple boundaries at different distances), the system creates a multi-dimensional detection space that can capture objects regardless of their movement direction after passing through the detection line
2Adaptability or versatility
If the counting flow path uses fixed boundaries, then the system is simple to implement, but it cannot adapt to different entrance types and object movement patterns
Solution Approach 1:
The counting flow path is made dynamic through adjustable boundaries and angle control points. The first and second boundaries can be positioned at different distances from the detection line, and the angle control points can be adjusted to change the angular coverage. This dynamic configuration allows the system to adapt to different entrance types (wide/narrow, curved/straight) and object movement patterns without requiring complete reconfiguration
Solution Approach 2:
The system allows parameter changes in the counting flow path configuration, including the distance of boundaries from the detection line, the angular positions of control points, and the inclusion/exclusion of specific flow path sections. By changing these parameters, the system can be optimized for different monitoring scenarios while maintaining a consistent underlying structure
3Measurement precision
If only straight passage is monitored, then the detection system is simple, but objects making turns are not counted, resulting in inaccurate flow rate data
Solution Approach 1:
The counting flow path structure serves multiple functions: it detects objects moving in straight lines, objects turning left, objects turning right, and objects changing direction. By making the detection system universal and multi-functional through its adjustable boundaries and angle control points, a single system configuration can handle various movement patterns that would otherwise require multiple separate detection systems
Solution Approach 2:
The angle control points and flow path boundaries act as intermediaries between the simple detection line and the complex task of tracking multi-directional object movement. These intermediary elements translate the basic detection line output into comprehensive flow rate data by capturing angular and radial information about object trajectories
Data Source
AI summary
A setting method of a counting flow path is applied to an image monitoring system and a related computer-readable media. The counting flow path is utilized to determine whether an object passes through a monitoring area. The setting method includes drawing two boundaries on a video frame correlative to the monitoring area to define the counting flow path, detecting relative position between a first angle control point and a second angle control point of the counting flow path, adjusting an angle formed by virtual lines stretching from the boundaries according to the relative position between the said angle control points, and utilizing an initial point and a final point detected by the counting flow path while the objects moves into or out of the counting flow path to determine whether the object passes through the counting flow path.