EP1677268A1 - Système integré de surveillance active - Google Patents

Système integré de surveillance active Download PDF

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Publication number
EP1677268A1
EP1677268A1 EP04031090A EP04031090A EP1677268A1 EP 1677268 A1 EP1677268 A1 EP 1677268A1 EP 04031090 A EP04031090 A EP 04031090A EP 04031090 A EP04031090 A EP 04031090A EP 1677268 A1 EP1677268 A1 EP 1677268A1
Authority
EP
European Patent Office
Prior art keywords
image
images
targets
surveillance system
angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04031090A
Other languages
German (de)
English (en)
Inventor
Chao-Hung Chang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP04031090A priority Critical patent/EP1677268A1/fr
Publication of EP1677268A1 publication Critical patent/EP1677268A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19678—User interface
    • G08B13/19689—Remote control of cameras, e.g. remote orientation or image zooming control for a PTZ camera
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/1963—Arrangements allowing camera rotation to change view, e.g. pivoting camera, pan-tilt and zoom [PTZ]

Definitions

  • the present invention relates to a video surveillance system, particularly to an integrated active surveillance system.
  • a typical surveillance system includes cameras installed at open, public places, such as street intersections, outside of stores, etc., and a control system and monitors mounted in a security guard office or a police station.
  • a guard finds any abnormal condition over a monitor screen, he could actuate the alarm system to inform other security guards to check out, and simultaneously control, remotely, the camera to lock in and zoom in the suspect's magnified images, so as to assist the police to identify the individual.
  • a control signal line and a video transmission line are extended from the camera mounted outside to the control system and monitors installed in the security guard office or the police station.
  • the transmission lines between the camera and the monitoring end, including the control system and the monitors not only transmit control signals but also image data lead to many problems, such as signal degrading, high wiring cost, and easy failure of the lines.
  • control system at the monitoring end requires computers, control software, image processing hardware, memory units, and other hardware that are expensive.
  • the conventional surveillance system is also complicated to install and operate.
  • a primary objective of the present invention is to provide an integrated active surveillance system that integrates a control device and an image-taking device, in which the control device can actively identify and drive the image-taking device to take the images of specific targets, record the images, and transmit the images to a monitor, so as to eliminate manual surveillance operation, reduce the load of the transmission lines between the image-taking device and the monitoring end, and reduce the overall costs for hardware and installation of a surveillance system.
  • this invention discloses an integrated active surveillance system capable of automatically identifying targets of interest and transmitting magnified images of the targets to remote monitors.
  • the system contains: one image-taking device, which includes one camera module to take the wide-angle image of the surveillance area and magnified images of targets of interest; one image process device, which is connected to the image-taking device, screening wide-angle images to search for the targets of interest, and the magnified images of the targets are taken; one memory device, which is connected to the image process device, saving both the wide-angle images and magnified images; one transmitting device, which is connected to the memory device, transmitting image data to at least one remote monitor; and one control device, which is connected to all devices mentioned above, to coordinate the image-taking directions, image data processing, storing, and transmitting.
  • Fig. 1 is a block diagram of an integrated active surveillance system 1 according to the present invention.
  • the integrated active surveillance system 1 of the present invention includes an image-taking device 11, an image process device 12, a memory device 13, a control device 14, and a transmitting device 15.
  • a display device 16 is located at a remote location.
  • the image-taking device 11 is adapted to take full-view , wide-angle images within a surveillance area, and to take locally magnified, narrow-angle images of targets of interest.
  • the image process device 12 is adapted to process wide-angle images to search for targets of interest.
  • the targets are selected in one or combination of many different manners, including displacement detection, appearance matching, color matching, size matching, infrared temperature matching, and speed matching, depending on the installation site and the nature of targets.
  • the control device 14 is notified to drive the image-taking device 11 to take closed-up images of the target of interest.
  • the memory device 13 includes a hard disk drive or other digital memory unit, and is adapted to store the images taken by the image-taking device 11.
  • the control device 14 may be, for example, a microprocessor for coordinating the image-taking direction of the image-taking device 11, the image processing of the image-process device 12, and the image storing and transmitting of the memory device 13.
  • the transmitting device 15 is adapted for wired and/or wireless transmission of images stored in the memory device 13 to the display device 16, which may be a monitor and/or a video recorder.
  • Fig. 2 is a block diagram of a first embodiment of the present invention.
  • the first embodiment of the present invention includes a first image-taking device 112, a second image-taking device 114, an image-process device 12' , a memory device 13', a control device 14', and a transmitting device 15'.
  • a display device 16' is located at remote site.
  • the first image-taking device 112 may be, for example, a fixed wide-angle camera for continuously taking wide-angle image signals within a surveillance area in a fixed direction.
  • the image-process device 12' may be, for example, a computer or an image-process chip with a built-in image processing program for continuously screening the wide-angle image images taken by the first image-taking device 112 for targets of interest. When any target of interest is found the second image-taking device 114 is driven to take locally magnified images of the target.
  • the targets are selected in one or combination of many different manners mentioned above.
  • the second image-taking device 114 may be, for example, a movable narrow-angle camera controlled by the control device 14' to take magnified image of the latest target of interest being designated.
  • the memory device 13' may be, for example, a hard disk, a memory, or other digital recording medium, and is connected to all the above-mentioned devices to continuously recording the wide-angle image signals of the surveillance area and the magnified image signals of targets of interest.
  • the above-mentioned second image-taking device 114 includes a fixed narrow-angle camera and a movable reflection unit 17 (see Fig. 4) located in front of the narrow-angle camera.
  • the movable reflection unit 17 includes a base 171, a reflection mirror 172, a vertical driving gear 173, and a horizontal driving gear 174.
  • the reflection mirror 172 is connected to the base 171 via a turnable supporting point 175 provided at a rear side of the reflection mirror 172.
  • the vertical driving gear 173 and the horizontal driving gear 174 are fixed on the base 171 and locate at outer periphery of the supporting point 175 with an angle of 90 degrees between them, with front ends thereof separately connected to corresponding points on the rear side of the reflection mirror 172. With these arrangements, the reflection mirror 172 may be driven to different reflecting angles via control of the vertical and the horizontal driving gear 173, 174, so as to change angles for the fixed narrow-angle camera 114 to take images.
  • Fig. 3 is a block diagram of a second embodiment of the present invention.
  • the second embodiment performs the surveillance in a manner similar to the first embodiment, except that the second embodiment includes only one image-taking device that is a movable zoom camera 116, in which the zoom lens can be changed from wide-angle to narrow-angle.
  • the present invention provides an integrated active surveillance system that integrates the control device and the image-taking device in one package.
  • the control device can actively identify targets of interest and drive the image-taking device to take magnified images of the targets, record the images in the memory device, and transmit the images to the display device, so as to relieve the security guard from burden in work, reduce the load of the transmission line between the image-taking device and the monitoring end, and reduce the hardware cost of the surveillance system.
  • the surveillance system of the present invention could therefore satisfy two basic requirements of easy to install and convenient for use.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Studio Devices (AREA)
EP04031090A 2004-12-31 2004-12-31 Système integré de surveillance active Withdrawn EP1677268A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04031090A EP1677268A1 (fr) 2004-12-31 2004-12-31 Système integré de surveillance active

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04031090A EP1677268A1 (fr) 2004-12-31 2004-12-31 Système integré de surveillance active

Publications (1)

Publication Number Publication Date
EP1677268A1 true EP1677268A1 (fr) 2006-07-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04031090A Withdrawn EP1677268A1 (fr) 2004-12-31 2004-12-31 Système integré de surveillance active

Country Status (1)

Country Link
EP (1) EP1677268A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120307069A1 (en) * 2011-06-02 2012-12-06 James Pierce Surveillance system with video compression for wireless transmission

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878965A2 (fr) * 1997-05-14 1998-11-18 Hitachi Denshi Kabushiki Kaisha Méthode pour la poursuite d'un objet entrant et appareil pour la poursuite et la surveillance d'un tel objet
EP0967584A2 (fr) * 1998-04-30 1999-12-29 Texas Instruments Incorporated Système automatique de surveillance vidéo
US6215519B1 (en) * 1998-03-04 2001-04-10 The Trustees Of Columbia University In The City Of New York Combined wide angle and narrow angle imaging system and method for surveillance and monitoring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0878965A2 (fr) * 1997-05-14 1998-11-18 Hitachi Denshi Kabushiki Kaisha Méthode pour la poursuite d'un objet entrant et appareil pour la poursuite et la surveillance d'un tel objet
US6215519B1 (en) * 1998-03-04 2001-04-10 The Trustees Of Columbia University In The City Of New York Combined wide angle and narrow angle imaging system and method for surveillance and monitoring
EP0967584A2 (fr) * 1998-04-30 1999-12-29 Texas Instruments Incorporated Système automatique de surveillance vidéo

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120307069A1 (en) * 2011-06-02 2012-12-06 James Pierce Surveillance system with video compression for wireless transmission

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