Person counting device, person counting system, and person counting method

Abstract

A person counting device according to embodiments of the present invention counts the number of persons passing through a doorway based on an imaged image in which the surroundings of the doorway are imaged. The person counting device includes a moving line acquirer that acquires a moving line for each person detected from the imaged image, a person counter that counts the persons that have passed through the doorway based on the moving line, and a display information generator that generates display information which represents the number of persons that have passed through the doorway based on the counting results of the person counter. The person counter detects an interruption of the moving line in the vicinity of the doorway, determines a similarity between the background image of the doorway and the person image, and includes a deemed counter that deems that the person has passed through the doorway.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to a person counting device, a person counting system, and a person counting method that counts the number of persons that have passed through a doorway based on an imaged image in which surroundings of a doorway for entering or leaving a predetermined place in a store or the like is imaged.[0003]2. Description of the Related Art[0004]In a store such as a convenience store, a monitoring camera system that monitors persons in the store using an image imaged by a camera installed in the store is widespread. However, if the number of entering persons and leaving persons are acquired by detecting the number of persons passing through the doorway of the store and counting the persons entering and leaving the store using an image imaged by a camera, it can be considered that there will be an improved way of effectively managing the store, and thus, it is possible to improve the sales and profits ...

AI Technical Summary

Benefits of technology

The present invention provides a person counting device that uses an imaged image to count the number of people who pass through a doorway. The device includes a moving line acquirer, a person counter, and an output information generator that generates output information that represents the number of people who have passed through the doorway. The person counter includes a moving line interruption detector, a similarity determinator, and a deemed counter. The device can detect the number of people passing through a doorway based on the interruption of the moving line and the similarity between the background image and the person image. The technical effects of the invention include accurate and efficient person counting and improved accuracy in detecting the number of people passing through a doorway.

Problems solved by technology

However, when it is difficult to identify a person and the background in such a case where a person is dressed in a color close to black in a situation in which the outside of the store is dark at night time, there is a problem that the person detection may fail and omissions may occur in counting the number of persons, and thus, the accuracy in counting the number of persons deteriorates.

In technologies disclosed in Japanese Patent No. 3218521 and Japanese Patent Unexamined Publication No. 2009-211311, no consideration is taken into account with respect to the above-described problem, and thus, it is difficult to solve the problem of deterioration of the accuracy in counting the number of persons caused by omissions in counting the number of persons.

However, in that case, there is a problem that the cost increases because a specialized device such as the range camera is needed.

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