Automatic public transport passenger flow counting method and system

An automatic counting and passenger flow technology, which is applied in the field of image processing, can solve problems such as high cost, chaotic passenger getting on and off, and influence on counting accuracy

CN103985182AActive Publication Date: 2014-08-13CHANGAN UNIV
1 Cites 23 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2014-08-13

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses an automatic public transport passenger flow counting method and system. The method comprises the following steps: I. acquiring a video; II. acquiring a current background edge image; III. acquiring a current video frame edge image and a gradient direction angle of each pixel point; IV. acquiring a target edge image; V. acquiring a candidate circle center linked list; VI. acquiring the contours of the head parts of passengers; and VII. grouping and combining candidate circles to obtain the circular contour corresponding to the head part of each passenger; and VIII. tracing the contours of the head parts of all passengers to obtain the number of the passengers. The method has high counting precision and strong practicability, solves the difficult problem of counting the public transport passenger flow and provides technical support for achieving reasonable distribution, effectively utilizing the limited public transport resource and improving the public transport operating efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the field of image processing, and in particular relates to an automatic counting method and an automatic counting system for bus passenger flow. Background technique

[0002] In recent years, with the continuous increase of the number of motor vehicles in our country, as well as the lagging construction of urban driving infrastructure and many problems in urban management, the urban traffic situation in our country is not optimistic. As a public transportation facility with large passenger capacity, high loading rate and low pollution, bus is an effective and direct way to solve urban traffic congestion. However, in my country's public transport system, the statistics of passenger flow are basically done manually, and there are big problems in intelligence, service level and passenger satisfaction, which makes managers unable to know the current passenger flow, while the real-time dispatch of vehicles Completely empty talk. T...

Examples

Embodiment Construction

[0147] The main idea of ​​the present invention is: extract the background to obtain the background edge image, edge detection to obtain the edge image of the video frame, obtain the target edge information by removing the edge background, and then detect the outline of the passenger's head to realize passenger target tracking and counting.

[0148] Such as figure 1 Shown, the bus passenger flow automatic counting method of the present invention specifically comprises the steps:

[0149] Step 1, set up the camera and capture images:

[0150] The front door camera is installed above the front door of the bus, and the rear door camera is installed above the rear door of the bus. The frequency of the collected video set by the front door camera and the rear door camera is the same. In this embodiment, it is set to 35Hz, and the camera field of view is adjusted to ensure its It can cover the entire area of ​​the front and rear doors; set the virtual counting line of the front doo...