Change detecting method and apparatus

• US 7,496,212 B2
• Filed: 05/07/2004
• Issued: 02/24/2009
• Est. Priority Date: 05/16/2003
• Status: Expired due to Fees

• Current Assignee: Hitachi Kokusai Electric Incorporated (Hitachi, Ltd.)
• Original Assignee: Hitachi Kokusai Electric Incorporated (Hitachi, Ltd.)
• Inventors: Kawabe, Tsuyoshi, Ueda, Hirotada
• Primary Examiner(s): Lu; Tom Y
• Application Number:
  US10/840,366
• Publication Number:
  US 20040233286A1
• Time in Patent Office: 1,754 Days
• Field of Search: 382/103, 382/107, 348/159
• US Class Current: 382/103
• CPC Class Codes: G06V 10/96 Management of image or video recognition tasks

Abstract

A change detecting method and apparatus constituted by an input portion for inputting image data obtained by imaging apparatus, a processing unit for processing the image data inputted from the input portion, and a storage for storing the image data. The processing unit has an image data change detecting portion, a monitoring information generating/transmitting portion. The storage has a monitoring schedule table. The image data change detecting portion reads the image data from the storage based on the monitoring schedule table, and detects a change in image data from the image data. The monitoring information generating/transmitting portion generates monitoring information based on a result of the detected change and outputs the monitoring information.

Claims

1. A change detecting apparatus for detecting a change in an image based on image data of said image, said change detecting apparatus comprising:

an input portion for inputting said image data obtained by an imaging apparatus;

a processing unit for processing said image data input from said input portion;

a storage for storing said image data,

wherein said processing unit has an image data change detecting portion and a monitoring information output portion,

wherein said storage has a monitoring schedule table and a plurality of image recognition region tables each having set therein at least one partial region of an image from said imaging apparatus as a to-be-image-recognized region,

wherein said image data change detecting portion reads said image data from said storage, selects one of said plurality of image recognition region tables in accordance with said monitoring schedule table, and based on the selected image recognition region table, detects a change in a region of said image data corresponding to said to-be-image recognized region, and

wherein said monitoring information output portion generates a signal representing said change in image data and outputs said signal to a detection result receiving unit which is connected to said change detecting apparatus;

an image recognition region setting screen,

wherein said image recognition region setting screen includes a table name setting portion which sets table names of said plurality of image recognition region tables; and

a monitoring schedule setting screen,

wherein said monitoring schedule setting screen includes an inputting field for allowing a user to set at least one of a plurality of image recognition region tables by using or displaying an identification.

2. A change detecting apparatus according to claim 1, further comprising:

a table generating portion for rewriting said monitoring schedule table, said table generating portion rewriting said monitoring schedule table in accordance with a request from a user.

3. A change detecting apparatus according to claim 2, wherein said table generating portion includes a setting screen generating portion for generating a setting screen including setting boxes for setting a monitoring schedule including a monitoring execution time and a monitoring suspension time, and a display portion for displaying a setting status, so as to allow said user to rewrite said monitoring schedule table.

4. A change detecting apparatus according to claim 1, wherein said receiving unit for receiving detection result includes a notification apparatus and client terminal network-connected to said change detecting apparatus, wherein said signal representing detection result includes monitoring information to be transmitted to said client terminal via said notification unit, said monitoring information including at least one of an image at change detection time point acquired by said imaging apparatus, image pickup time point and the change in the image acquired by said imaging apparatus.

5. A change detecting apparatus according to claim 1, wherein said receiving unit for receiving detection result includes a notification apparatus and client terminal network-connected to said change detecting apparatus, wherein said signal representing detection result includes monitoring information to be transmitted to said client terminal via said notification unit, said monitoring information including a message for indicating that said change in image data is detected.

6. A change detecting apparatus according to claim 1, wherein said detection result receiving unit includes an alarm lamp connected to said change detecting apparatus, wherein said signal representing detection result includes a signal for turning said alarm lamp on in response to said detection of said change in image data.

7. A change detecting apparatus according to claim 1, wherein said detection result receiving unit includes a monitor connected to said change detecting apparatus, wherein said signal representing detection result includes monitoring information to be displayed on said monitor, said monitoring information including at least one of an image at change detection time point acquired by said imaging apparatus, image pickup time point and the change in the image acquired by said imaging apparatus.

8. A change detecting apparatus according to claim 1, wherein said detection result receiving unit includes a monitor connected to said change detecting apparatus, wherein said signal representing detection result includes monitoring information to be displayed on said monitor, said monitoring information including at least one of an image at change detection time point acquired by said imaging apparatus, image pickup time point and the change in the image acquired by said imaging apparatus.

9. A change detecting apparatus according to claim 1, wherein said image data is divided into a plurality of blocks, and at least one of said divided blocks is set as said to-be-image-recognized region.

10. A change detecting apparatus according to claim 9, wherein a size of each of said blocks is changed in accordance with a change request.

11. A change detecting apparatus according to claim 1, further comprising:

a table generating portion for rewriting said image recognition region table, said table generating portion setting said to-be-image-recognized region in accordance with a request from a user.

12. A change detecting apparatus according to claim 11, wherein said table generating portion includes a setting screen generating portion for generating a setting screen for allowing said user to set said image recognition region table, said setting screen including a setting box for allowing said user to set division of a screen of said imaging apparatus into a plurality of blocks and a button for allowing said user to choose whether to perform image recognition on each of said blocks or not.

13. A change detecting apparatus according to claim 1, wherein said table generating portion includes a setting screen generating portion for generating a setting screen for allowing said user to set said image recognition region table, said setting screen including a region name setting portion for setting a region name of each to-be-image-recognized region, said signal representing said change in image data including a region name of a to-be-image-recognized region where said change in image data has been detected.

14. A change detecting apparatus according to claim 13, wherein said setting screen includes an input field for allowing said user to set at least one partial region of said image data from said imaging apparatus as a to-be-image-recognized region and a box for allowing said user to input a name of each to-be-image-recognized region.

15. A change detecting apparatus according to claim 13, wherein the region name where said change in image data has been detected is reported to said detection result receiving unit.

16. A change detecting method for detecting a change in an image based on image data, said change detecting method comprising the steps of:

storing in a storage a monitoring schedule table and a plurality of image recognition region tables each having set therein at least one partial region of an image from an imaging apparatus as a to-be-image-recognized region;

providing an image recognition region setting screen, wherein said image recognition region setting screen includes a table name setting portion which sets table names of said plurality of image recognition region tables;

providing a monitoring schedule setting screen,

wherein said monitoring schedule setting screen includes an inputting field for allowing a user to set at least one of said plurality of image recognition region tables by using or displaying at least one of said table names or an identification thereof;

inputting said image data obtained by said imaging apparatus;

processing said image data having been input;

storing said image data in a storage;

reading said image data from said storage, selecting one of said plurality of image recognition region tables in accordance with said monitoring schedule table, and based on the selected image recognition region table, detecting a change in a region of said image data corresponding to said to-be-image-recognized region; and

generating a signal representing said change in said region and outputting said signal.