Flow line analysis system and flow line analysis method

Patent metadata

Field	Value
Publication number	US-10567677-B2
Application number	US-201615099352-A
Country	US
Kind code	B2
Filing date	Apr 14, 2016
Priority date	Apr 17, 2015
Publication date	Feb 18, 2020
Grant date	Feb 18, 2020

Abstract

A camera device transmits a captured image and flow line information of moving objects to a server device for each predetermined transmission period. The server device generates a flow line analysis image in which the flow line information of the moving objects is superimposed on the captured image and displays the generated flow line analysis image on a display. The server device displays a first flow line analysis image generated based on a captured image and flow line information in a first period which is arbitrary designated, and receives an instruction by a user operation to shift the first period by an amount. The server device sets a second period by shifting the first period by the amount without changing a length in period, and displays a second flow line analysis image generated based on a captured image and flow line information in the second period.

First claim

What is claimed is:

1. A flow line analysis system in which a camera device and a server device are connected to each other,
wherein the camera device:
generates a captured image,
extracts flow line information relating to a staying position or a passing position of a moving object, and
transmits the generated captured image and the extracted flow line information of the moving object to the server device for each predetermined transmission period, and

wherein the server device:
downloads and saves the generated captured image and the extracted flow line information of the moving object for each predetermined transmission period,
causes a pass line to be displayed,
causes a number representing a count result of moving objects that cross the pass line during a target period, within a predetermined transmission period, to be displayed adjacent the pass line,
causes a selection of a plurality of image leap commands respectively associated with a plurality of predefined discrete time instances to be displayed, a first set of the plurality of predefined discrete time instances temporally preceding the target period and a second set of the plurality of predefined discrete time instances temporally succeeding the target period,
receives, from the user via the displayed selection of the plurality of image leap commands, a selection of a predefined discrete time instance of the plurality of predefined discrete time instances, and
when the selected predefined discrete time instance is within the predetermined transmission period, changes the number representing the count result of moving objects that cross the pass line during the target period displayed at a first timing to a number representing a count result of moving objects that cross the pass line for the selected predefined discrete time instance that is a predetermined time period before the first timing or a predetermined time period after the first timing.

2. The flow line analysis system according to claim 1 , wherein the camera device repeatedly generates the captured image.

3. The flow line analysis system of claim 1 , wherein the server device generates a flow line analysis image in which the flow line information of the moving object is superimposed on the captured image and causes display of a first flow line analysis image generated based on a captured image and flow line information in a first period which is arbitrarily designated, and receives an instruction by a user operation to shift the first period by an amount, and
when the server device receives the instruction when the first flow line analysis image is displayed, the server device sets a second period by shifting the first period by the amount without changing a length in period, and causes display of a second flow line analysis image generated based on a captured image and flow line information in the second period.

4. The flow line analysis system of claim 1 , wherein the number representing a count result represents a number of moving objects that cross the pass line in a first direction.

5. The flow line analysis system of claim 4 , wherein the server device causes another number representing a count result of moving objects that cross the pass line in a second direction, different from the first direction, to be displayed adjacent the pass line.

6. The flow line analysis system of claim 1 , wherein the server device:
when the pass line and the number representing the count result of moving objects that cross the pass line during the target period is displayed, causes a plurality of camera selection buttons, respectively corresponding to a plurality of cameras including the camera, to be displayed, each displayed camera selection button of the plurality of camera selection buttons corresponding to a camera having respective generated captured image and extracted flow line information downloaded from the camera to the server,
receives, from a user, a selection of a camera selection button from the plurality of camera selection buttons, and
in response to receiving the selection of the camera selection button from the plurality of camera selection buttons,
retrieves the generated captured image and the extracted flow line information of the camera corresponding to the selected camera selection button, and
causes the pass line and the number representing the count result of moving objects that cross the pass line of the camera corresponding to the selected camera selection button to be displayed.

7. A flow line analysis system in which a camera device and a server device are connected to each other,
wherein the camera device:
generates a background image of a captured image,
extracts flow line information relating to a staying position or a passing position of a moving object, and
transmits the generated background image, and the extracted flow line information of the moving object to the server device for each predetermined transmission period, and

wherein the server device:
downloads and saves the generated captured image and the extracted flow line information of the moving object for each predetermined transmission period,
causes a pass line to be displayed,
causes a number representing a count result of moving objects that cross the pass line during a target period within a predetermined transmission period, to be displayed adjacent the pass line,
causes a selection of a plurality of image leap commands respectively associated with a plurality of predefined discrete time instances to be displayed, a first set of the plurality of predefined discrete time instances temporally preceding the target period and a second set of the plurality of predefined discrete time instances temporally succeeding the target period,
receives, from the user via the displayed selection of the plurality of image leap commands, a selection of a predefined discrete time instance of the plurality of predefined discrete time instances, and
when the selected predefined discrete time instance is within the redetermined transmission period, changes the number representing the count result of moving objects that cross the pass line during the target period displayed at a first timing to a number representing a count result of moving objects that cross the pass line for the selected predefined discrete time instance that is a predetermined time period before the first timing or a predetermined time period after the first timing.

8. The flow line analysis system according to claim 7 , wherein the camera device repeatedly generates the background image.

9. The flow line analysis system of claim 7 , wherein the server device generates a flow line analysis image in which the flow line information of the moving object is superimposed on the background image and causes display of a first flow line analysis image which is generated based on a background image and flow line information in a first period, and then causes display of a second flow line analysis image which is generated based on a background image and flow line information in a second period when receiving a period changing operation.

10. A flow line analysis method in a flow line analysis system in which a camera device and a server device are connected to each other,
wherein the camera device:
generates a captured image,
extracts flow line information relating to a staying position or a passing position of a moving object, and
transmits the generated captured image, and the extracted flow line information of the moving object to the server device for each predetermined transmission period, and

wherein the server device:
downloads and saves the generated captured image and the extracted flow line information of the moving object

Assignees

• Panasonic I Pro Sensing Solutions Co Ltd

Inventors

• Hagisu Shinpei
• Tayama Tetsuo
• Kinoshita Hidetoshi
• Yano Koji
• Nakamura Manabu
• Oguchi Takae
• Takahashi Hideaki

Classifications

• G06F21/6254

  by anonymising data, e.g. decorrelating personal data from the owner's identification · CPC title

• G06T2207/30196

  Human being; Person · CPC title

• H04N7/181

  for receiving images from a plurality of remote sources · CPC title

• G06T2207/30232

  Surveillance · CPC title

• G06F21/60

  Protecting data · CPC title