Pedestrian monitoring method and device based on intelligent three-dimensional monitoring equipment

A three-dimensional, monitoring equipment technology, applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve the problems that affect the accuracy of abnormal events and low detection accuracy

Inactive Publication Date: 2019-09-24
魏运 +1
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Problems solved by technology

Another type of system uses the method of deep learning. Although this type of method reduces the influence of different pedestrian postures through large sample data training, it is still susceptible to interference from factors su

Method used

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  • Pedestrian monitoring method and device based on intelligent three-dimensional monitoring equipment
  • Pedestrian monitoring method and device based on intelligent three-dimensional monitoring equipment
  • Pedestrian monitoring method and device based on intelligent three-dimensional monitoring equipment

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Embodiment Construction

[0050] Below in conjunction with accompanying drawing and specific embodiment the technical scheme is further described as follows:

[0051] Such as figure 1 , the pedestrian monitoring method based on the intelligent three-dimensional monitoring equipment of this example, the steps include:

[0052] 1) Collect color images, acquire images of a monitoring area under two different viewing angles, and convert the color images into depth images according to the stereo matching algorithm under two-dimensional parallax optimization, and both the depth images and the color images have time stamps;

[0053] 2) By constructing a shallow feature extraction network, the convolutional features of the depth image are automatically extracted;

[0054] 3) By constructing a deep feature extraction network, the convolutional features of the reference color image are automatically extracted;

[0055] 4) Unify the width and height of the shallow feature extraction network and the deep featur...

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Abstract

The invention discloses a pedestrian monitoring method and device based on intelligent three-dimensional monitoring equipment. The pedestrian monitoring method comprises the following steps: acquiring two pedestrian images with different visual angles in the same scene, calculating by using a stereo matching algorithm to obtain a depth image, respectively taking the depth image and a reference color image as the input of a shallow layer network and a deep layer network, constructing a pedestrian detection network based on convolution feature fusion, and obtaining a pedestrian detection result; carrying out collected audio information, abnormal event keyword sentence recognition by adopting a speech recognition algorithm; and intercepting continuous frames of images according to the keyword sentence recognition result and the audio image synchronous calibration result, performing time domain association representation on fusion features of the continuous frames of images by adopting an LSTM algorithm, and performing passenger flow state and event judgment by adopting a softmax classifier after feature mapping in a full connection mode. The device adopting the algorithm comprises a video image processing and central control unit, a cache module, a storage module, an encryption chip, a network transmission module, a USB interface and a power module.

Description

technical field [0001] The invention belongs to the field of intelligent detection, in particular to a pedestrian monitoring method and device based on intelligent three-dimensional monitoring equipment. Background technique [0002] Pedestrian detection technology is widely used in pedestrian analysis, intelligent monitoring, passenger flow statistics, security and other fields. The applicable scenarios include: schools, subway stations, squares, shopping malls, parking lots, parks and other important places and densely populated areas. It can realize functions such as real-time detection of pedestrians, extraction of individual characteristics and group characteristics and parameters, and can provide data acquisition means for systems such as movement situation analysis based on pedestrian detection, large-scale data collection, abnormal event analysis, passenger flow analysis and early warning, etc. On the basis of the traditional video monitoring that only uses color vid...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/46
CPCG06V40/10G06V20/52G06V10/462
Inventor 魏运田青仝淑贞
Owner 魏运
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