Method and system for conducting statistics on elevator visitor flow based on intelligent visual perception

A technology of intelligent vision and statistical methods, applied in the field of pattern recognition and computer vision, can solve the problems of inaccurate prediction, slow convergence of neural network methods, and difficulty in establishing a prediction model for elevator traffic, achieving high accuracy and reducing failures. Effect

Inactive Publication Date: 2013-01-30
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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Problems solved by technology

However, the neural network method has the disadvantages of slow convergence speed and easy to fall into local extremum, which makes it not an ideal method.
[0004] Therefore, in order to solve the problem of difficult establishment of the prediction model of complex elevator passenger flow in the traditional metho

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  • Method and system for conducting statistics on elevator visitor flow based on intelligent visual perception
  • Method and system for conducting statistics on elevator visitor flow based on intelligent visual perception
  • Method and system for conducting statistics on elevator visitor flow based on intelligent visual perception

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[0039] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0040] In this technical solution, the described SVM is a support vector machine, and its basic idea is for a given learning task with a limited number of training samples, how to improve the complexity of the model (that is, the learning accuracy of a specific training sample) Find the best compromise between learning ability (that is, the ability to identify any sample without error), in order to obtain the best generalization ability.

[0041]As a detection method based on machine learning, SVM is very important to select and establish a training sample library. The PCA-SVM-based head and shoulder image detection method model requires two types of samples, one is head and shoulder image samples based on PCA feature extraction, One categ...

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Abstract

The invention provides a method for conducting statistics on elevator visitor flow based on intelligent visual perception. The method comprises the steps of S1. establishing a head-and-shoulder model sample database; S2. conducting feature extraction and model training, wherein samples in S1 are subjected to principle component analysis (PCA) feature extraction, and a support vector machine (SVM) trainer is used for training model generating; S3. detecting targets, wherein matching calculation is conducted on images collected in real time according to human body head-and-shoulder model data obtained in S2, and targets in current images are obtained through detection; S4. tracking targets, wherein targets detected in S3 are tracked; and S5. conducing statistics on the visitor flow, wherein corresponding counters are operated according to incoming and outgoing conditions of targets when targets tracked in S4 go cross a crossing line. The method has the advantages that real-time intelligent analyses are conducted on images collected in real time, so that elevator visitor flow data can be obtained, accurate evidences are provided for establishing of effective and energy-saving elevator dispatching strategies, the problem that prediction models of the elevator visitor flow in traditional methods are complex and difficult to establish is solved, and the imprecise prediction caused by special events are prevented.

Description

technical field [0001] The invention belongs to the field of pattern recognition and computer vision, and in particular relates to a method and system for counting elevator passenger flow based on intelligent visual perception. Background technique [0002] With the increase of high-rise commercial buildings and residential quarters in cities, elevators as an important vertical transportation tool have been more and more widely used. Ensuring reliable, efficient, comfortable and fast operation of elevators is the key to elevator development and technological progress. In order to carry out reasonable and effective scheduling of elevators, it is necessary to have accurate elevator passenger flow data. Therefore, the statistics of passenger flow is particularly important. Because the elevator passenger flow is affected by random factors and is highly nonlinear and unpredictable, it is difficult to find a specific function to predict the elevator passenger flow. [0003] The ...

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Application Information

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IPC IPC(8): G06K9/46G06K9/64G06M11/00
Inventor 程建林超苏靖峰刘玺
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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