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A Passenger Flow Statistics Method Based on Watershed, Multi-region Local Fusion and Feature Tracking

A technology of feature tracking and statistical methods, applied in computing, computer parts, character and pattern recognition, etc., can solve problems such as poor real-time performance and practicability, achieve good accuracy, simple and practical methods, and improve accuracy.

Active Publication Date: 2021-02-26
ZHENGZHOU TIAMAES TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main problem of using the optical flow method to detect moving objects is that the calculation of the optical flow method is time-consuming, and the real-time and practicality are poor. It is not practical to use the optical flow method to detect moving objects, but the optical flow calculation method and other methods can be combined. combined to detect moving objects

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: A watershed, multi-region local fusion and feature tracking passenger flow statistics method of the present invention requires that the depth camera be placed directly above the entrance and exit gate of the bus, and according to the process of passengers getting on and off the bus through the camera, the depth camera collects The images were analyzed to determine the statistical population. The specific steps for analyzing the images collected by the depth camera are as follows:

[0032] Step 1: Install and adjust the camera so that it is about 2.3m away from the bottom of the door, and capture the image set formed by each passenger passing the door from the height range of about 1m upward from the bottom of the car

[0033] Sn=A1, A2,...,An;

[0034] A(x,y)=f(x,y)>150? 255:f(x,y);

[0035] Among them, A(x, y) is the image gray value intercepted from the height range of 100cm from the bottom of the car, f(x, y) is the image pixel gray value, if the imag...

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PUM

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Abstract

The present invention relates to the technical field of public transport passenger flow statistics management, in particular to a passenger flow statistics method of watershed, multi-region local fusion and feature tracking. This method is simple and practical. In the practice of bus passenger flow statistics, it has achieved good accuracy and maintained real-time performance.

Description

technical field [0001] The invention relates to the technical field of passenger flow statistics management of public transport vehicles, in particular to a passenger flow statistics method of watershed, multi-region local fusion and feature tracking. Background technique [0002] At present, most of the buses still use the traditional passenger flow statistics method, and usually use manual statistics to obtain passenger flow data. Although the accuracy can meet the requirements, it consumes manpower and financial resources, and is not systematic and comprehensive. Although contact equipment such as credit card machines and coin machines are separated from manual labor, they can generally only pass one person at a time, and cannot meet the requirements of high accuracy and simultaneous counting of the number of people getting on and off the bus. Now the most widely used infrared detection system, this type of system is non-contact, which has been greatly improved compared w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62
Inventor 郭建国韩波王全军任海波
Owner ZHENGZHOU TIAMAES TECH