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Pedestrian volume statistical system and method

A technology for statistical systems and people flow, applied in neural learning methods, computing, computer components, etc., can solve the problems of video recognition method failure, high humanoid overlap rate, crowded carriages, etc., to save resource overhead and improve accuracy. and recall rate, the effect of reducing difficulty

Active Publication Date: 2021-04-30
桂林海威科技股份有限公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the existing technology, when the number of people in the car is small and the overlapping rate of human figures is low, the traditional barrel camera can be used as an accurate identification target; There will be irregular borders and completely occluded characters, which will lead to the failure of traditional video recognition methods

Method used

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  • Pedestrian volume statistical system and method
  • Pedestrian volume statistical system and method

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Experimental program
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Embodiment 1

[0039] Such as figure 1 As shown, a people flow counting system includes:

[0040] Image collection module 1, described image collection module 1 is used for collecting the video data of flow of people in the enclosed area by fisheye camera, described video data is carried out frame extraction, obtains image set;

[0041] Model training module 2, described model training module 2 is used for importing image set, divides the pictures in image set into outer circle area and inner circle area; In the outer circle area of ​​picture, mark out the facial features and the head of human body, obtain the first Human body marking data; use the first human body marking data to train the first human head detection model to obtain the first target detection model; mark the head of the human body in the inner circle area of ​​the picture to obtain the second human body marking data; use the first human body marking data The second human head detection model is trained on the two human body...

Embodiment 2

[0054] Such as figure 2 Shown, a kind of people flow counting method comprises the following steps:

[0055] Collect the video data of the flow of people in the enclosed area through the fisheye camera, and frame the video data to obtain the image set;

[0056] Divide the pictures in the image set into the outer circle area and the inner circle area; mark the facial features and head of the human body in the outer circle area of ​​the picture, and obtain the first human body marking data; use the first human body marking data to detect the first head detection model Perform training to obtain the first target detection model; mark the head of the human body in the inner circle area of ​​the picture to obtain the second human body marking data; use the second human body marking data to train the second human head detection model to obtain the second target detection model;

[0057] Divide the pictures in the image set to be recognized into the outer circle area and the inner...

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Abstract

The invention relates to a pedestrian volume statistical system and method, and the method comprises the steps that an image collection module collects the video data of pedestrian volume in a closed region through a fisheye camera, and carries out the frame extraction of the video data to obtain an image set; the model training module imports the image set, marks five sense organs and a head of a human body in an outer ring area of the image, obtains human body mark data to train a first human head detection model, and obtains a first target detection model; the head of a human body is marked in the inner ring area of the picture, thus obtaining human body marking data, training a second human head detection model, and obtaining a second target detection model; the pedestrian volume statistics module imports a to-be-identified image set, imports the images into the first target detection model and the second target detection model, and performs reasoning on the images to obtain personnel data in the current image; and moving average upward rounding is performed on the number of people in the image set to obtain people flow data in the closed area. Compared with the prior art, the people counting efficiency and accuracy can be improved.

Description

technical field [0001] The present invention relates to the technical field of rail transit, in particular to a system and method for counting people flow. Background technique [0002] As an important basic data for the normal operation of equipment in closed spaces such as subway cars, elevators, and buses, the current number of people is an indispensable indicator in the fields of rail transit configuration, market decision-making, and safety precautions. The total number of people counting method based on fisheye imaging video image analysis technology has the advantages of high statistical accuracy and convenient implementation, so it is widely used. [0003] The traditional methods of counting the number of people in rail transit include: 1. Identify the specific number of people in the video by human eyes; 2. Count the number of people in the current car by entering and leaving the door; 3. Estimate the number of people in the current car by the weight of the car. ...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/62G06N3/04G06N3/08
CPCG06N3/04G06N3/08G06V20/53G06V20/46G06V2201/07G06F18/214
Inventor 莫家佳周明资明祥张志斌覃琨王建卫
Owner 桂林海威科技股份有限公司
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