WO2000074018A1 - Systeme de securite et d'eclairage omnidirectionnel - Google Patents

Systeme de securite et d'eclairage omnidirectionnel Download PDF

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Publication number
WO2000074018A1
WO2000074018A1 PCT/US2000/015225 US0015225W WO0074018A1 WO 2000074018 A1 WO2000074018 A1 WO 2000074018A1 US 0015225 W US0015225 W US 0015225W WO 0074018 A1 WO0074018 A1 WO 0074018A1
Authority
WO
WIPO (PCT)
Prior art keywords
mirror
surveillance system
omni
directional
lighting
Prior art date
Application number
PCT/US2000/015225
Other languages
English (en)
Inventor
James Korein
Original Assignee
Cyclovision Technologies, Inc.
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 Cyclovision Technologies, Inc. filed Critical Cyclovision Technologies, Inc.
Priority to AU53157/00A priority Critical patent/AU5315700A/en
Publication of WO2000074018A1 publication Critical patent/WO2000074018A1/fr

Links

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
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/19626—Surveillance camera constructional details optical details, e.g. lenses, mirrors or multiple lenses
    • G08B13/19628—Surveillance camera constructional details optical details, e.g. lenses, mirrors or multiple lenses of wide angled cameras and camera groups, e.g. omni-directional cameras, fish eye, single units having multiple cameras achieving a wide angle view
    • 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
    • G08B13/19632—Camera support structures, e.g. attachment means, poles

Definitions

  • This invention relates generally to lighting and imaging systems, and more particularly to an improved omni-directional imaging system that incorporates controlled lighting to eliminate undesirable or unwanted lighting variations that adversely affect image quality.
  • U. S. Patent No. RE 34,989 to Struhs et al. discloses a remote- and robotic-controlled television cameras, including lens systems and mountings.
  • the robotic imaging assembly and mounting is positioned behind a viewing dome where the objective lens projects into the dome and is mounted for wide sweep tilting and panning viewing movement.
  • U. S. Patent No. 5,726,706 to Walsh discloses a tubular lighting security system for providing functional and decorative lighting while, at the same time, mounting surveillance apparatus in a concealed and unobtrusive manner.
  • U. S. Patent No. No. 5,760,826 to Navar discloses an image sensing and projection apparatus that is capable of sensing a substantially hemispherical scene from a single viewpoint. Navar is incorporated herein by reference.
  • U. S. Patent No. 5,790,181 to Chahl et al. discloses an imaging system for the panoramic surveillance of a space using a single, stationary camera.
  • the problem with one or more of the above-mentioned conventional systems is that the camera and its mountings are heavy and generally require special supporting structures in addition to the ceiling itself.
  • An additional problem in one or more of the prior art references is that the viewing dome is conspicuous by protruding, in an obtrusive manner, into the viewing area.
  • a preferred embodiment of the present invention combines lighting and an omni-directional camera into a single fixture comprising a ceiling mounted unit.
  • the ceiling mounted unit includes a lighting fixture, omni-directional optics, which provides an omni-directional view of a room's interior or other area under surveillance, for example, and an image sensor for detecting and recording motion or intrusions.
  • illumination is controlled based on feedback from the image sensor to facilitate optimum use of illumination when necessary. For instance, during periods of no intrusion detection, illumination is not triggered. However, when an intrusion occurs, adequate illumination is provided.
  • Combining lighting and an omni-directional imaging system into a single fixture makes it extremely unobtrusive in an environment that would typically feature a ceiling lighting fixture. This effect may be enhanced by suitable decorative ornamentation of the ceiling lighting fixture.
  • combining the feature of lighting with the omni-directional imaging system provides the opportunity to include lighting that is particularly well suited to the illumination needs of the image sensor.
  • the combination lighting and omni-directional imaging system of the present invention that serves as an omni-directional security and lighting system, allows for convenient control of illumination based on feedback from the image sensor. For example, illumination may be prolonged or re-scheduled based on detected motion or intrusion. Also, brightness may be conveniently controlled based on image quality.
  • the single fixture need not be a ceiling mounted unit.
  • the single fixture may be attached to a wall, the floor, a mounting stand or any other user-desired location.
  • the lighting device and the omni-directional imaging system are simply combined or integrated into a single fixture.
  • illumination may comprise a plurality of lighting fixtures that are located throughout the area under surveillance, rather than in immediate proximity to the image sensor.
  • a wireless transmitter or cable(s) may be used to transmit signals from the control unit to each lighting fixture.
  • the present invention relates to an omni-directional imaging and lighting system, including one that preferably controls illumination to achieve a desired effect.
  • the system of the invention includes an omni-directional imaging system and one or more lighting devices.
  • the invention may include a controller.
  • the omni-directional imaging system of the present invention generally comprises omnidirectional optics and an image sensor.
  • the omnidirectional optics includes at least one mirror and at least one lens.
  • the omnidirectional imaging system has a full field of view of at least 120 degrees, and preferably 180 degrees. Alternatively, the imaging system's field of view may be truncated as desired.
  • the term, "mirror”, may refer to a singular mirror, or a plurality of mirrors or mirror pieces.
  • Each mirror or mirror piece is manufactured from a strong, suitable material that may be made reflective such as glass, plastic or metal, such as stainless steel or aluminum.
  • the mirror is a convex parabolic mirror.
  • the mirror of the present invention may comprise a plurality of other mirrors, such as a concave parabolic mirror, a hyperbolic mirror (either convex or concave), a spherical mirror, a conical mirror, a plurality of planar mirrors, a fish-eye lens, or the like.
  • the lighting device can be any number of illumination devices in any user desired configuration.
  • the lighting device is a single fixture.
  • the lighting device of the present invention may comprise a plurality of illumination fixtures or devices.
  • Exemplary devices include, for example, floodlights, light bulbs, fluorescent bulbs, incandescent or halogen bulbs, or the like.
  • the lighting device of the present invention may be configured to attach to a ceiling, a wall, a floor, a mounting stand, any support member, or the like.
  • the controller of the present invention is any device that can control the timing, sequence, brightness, positioning, or variations of the one or more lighting devices.
  • the controller may also control certain features, functions, operations and the like, of the omnidirectional imaging system.
  • a suitable controller includes, but is not limited to, devices comprising a microprocessor, any processor driven system, a computer, a tangible medium with instructions therein, other electronic device or the like. It may be specially constructed for the required purpose or it may comprise a general purpose computer as selectively activated or reconfigured by a computer program stored in a computer.
  • the controller of the present invention analyzes each image from the image sensor to adjust illumination, generally of the area under surveillance. Adjustment of illumination may occur in response to undesirable or unwanted lighting variations in the image, or in response to detection of motion or an intrusion.
  • the controller is also capable of manipulating various forms of each image, whether the image is displayed on a monitor, used in a recording device or in a video recording. Additionally, the controller is capable of controlling turn-on and turn-off of lighting.
  • Figure 1 shows a side view of the omni-directional security and lighting system according to one embodiment of the present invention, which has an incandescent or halogen light bulb attached to a base.
  • Figure 2 shows another embodiment of the present invention, which has a fluorescent light bulb attached to and surrounding the base.
  • Figure 3 shows another embodiment of the present invention, which has illuminating bulbs separate and distant from the base.
  • Figure 4 shows another embodiment of the present invention, with a fish-eye lens.
  • Figure 5 illustrates a cross-section of the present invention with a concave parabolic mirror.
  • Figure 6 illustrates a cross-section of the present invention with a convex hyperbolic mirror.
  • Figure 7 illustrates a cross-section of the present invention with a concave hyperbolic mirror.
  • Figure 8 illustrates a cross-section of the present invention with a spherical mirror.
  • Figure 9 illustrates a cross-section of the present invention with a convex hyperbolic mirror.
  • Figure 10 illustrates a cross-section of the present invention with a mirror comprised of planar mirror pieces.
  • Figure 11 illustrates a sconce configuration of the present invention.
  • a side view of the omni-directional security and lighting system 20 of the present invention is shown.
  • a disk-shaped base 22 is attached to a ceiling 21 of the area to be monitored.
  • system 20 is attached to the ceiling 21 of a room.
  • system 20 may be attached to the floor or any user desired area to be monitored.
  • the area under surveillance is an enclosed area, such as a room.
  • a number of light bulbs 24 are attached about the circumference of base 22.
  • Figure 1 shows high intensity incandescent or halogen bulbs.
  • Figure 2 shows a fluorescent light bulb 25 attached to and surrounding the base 22.
  • these high intensity incandescent or halogen bulbs 24 are enclosed by a transparent diffuser 26, which softens the glare of the bulbs.
  • the bulbs generally lie in a field of view outside the image sensor 30. Accordingly, bulbs 24 lie entirely above the field of view of image sensor
  • the system 20 can also be installed with the base resting on a floor or other user desired location.
  • the image sensor 30 and lens 32 are attached to the system by struts 34, which extend from the image sensor 30 to base 22.
  • Struts 34 carry power and signal lines to the light 31 and image sensor 30. Additionally, struts 34 may also carry signals from the image sensor 30.
  • a controller or control unit 23 may be installed in base 22.
  • the controller 23 analyzes each image from image sensor 30, and is capable of manipulating each image used in various forms. For example, an image can be displayed on a monitor (not shown), recorded using conventional recording devices (not shown), and/or analyzed for indications of movement within an area under surveillance. An image can also be analyzed for any other information normally contained in a video recording (not shown). Controller 23 uses feedback images from the image sensor 30 to adjust desired illumination and/or to reduce undesirable dynamic range issues, such as bright lighting in one area and dark spots in another area of an image. When controlling lighting using a feedback loop in the omni-directional security and lighting system of the present invention, these unwanted or undesirable dynamic range issues can be controlled. Adjustment of desired illumination may occur in response to detection of an intrusion or motion.
  • controller 23 is also capable of controlling turn-on and turn-off of lighting. For instance, if motion of an intruder is sensed when the lights are already on, controller 23 controls the signals to keep the lights on in order to obtain a suitable image of the intruder and encourage the intruder's departure.
  • FIG 2 is an illustration of system 20, and is identical to Figure 1, except for the illumination means and controller 23.
  • a toroidal fluorescent bulb 25 is installed encircling the base 22, rather than the halogen bulbs 24 shown in Figure 1.
  • Mirror 41 has a reflective surface on the outside and reflects an image that is omni-directional; that is, the image covers an entire 360 degree circumference of the system 20. The image extends from a point substantially directly below the mirror 41 to a point substantially parallel with the ceiling 21.
  • Image sensor 30, for example, a camera is located in an area directly perpendicular to mirror 41. Thus, in these embodiments, an image sensor 30 is directly below mirror 41. Therefore, the area directly underneath the image sensor 30 is excluded from the image of the area under surveillance.
  • image sensor 30 is viewed by image sensor 30 and attached lens 32.
  • Image sensor 30 is attached to struts 34, which extend from the image sensor to the base 22.
  • the lights 19, 29 are not attached to the base 22, but are attached to the ceiling 21.
  • the field of view of the omnidirectional system is restricted to 120 degrees.
  • the field of view can be 180 degrees with each lighting device 19, 29 being recessed into the ceiling.
  • lights 19, 29 may also be placed elsewhere within the area under surveillance, such as on a floor stand, walls or on the ground.
  • Light 19 is controlled by controller 23 by signals sent via electrical connector 12.
  • Light 29 is also controlled by controller 23, but via a wireless transmitter 27, which emit signals that are received by receiver 28 attached to light 29.
  • any suitable signals may be used, such as infrared or radio waves. It is therefore not necessary that wires physically link the lights to the controller 23.
  • the lights are controlled by the controller 23 in response to feedback from the image sensor 30. For example, when motion is detected by the image sensor, the lights remain on. If motion abates, the lights may be turned off and subsequently turned on intermittently, as an energy saving measure. Also, brightness of illumination may be varied to achieve good image quality.
  • the image taken from an omni-directional mirror 41 appears distorted when compared with an image taken by conventional devices, because a conventional image encompasses a much smaller field of view than does the image obtained from mirror 41 of the present invention.
  • the omni-directional security and lighting system of the present invention illustrated in Figure 4, no mirrors are involved.
  • the omni-directional image is obtained using a wide-angle fish-eye lens 33 that is connected to the image sensor 30.
  • the fish-eye lens 33 has a field of view that extends 360 degrees about the circumference of the lens, and that extends 90 degrees above and 90 degrees below the optical axis of the lens.
  • image sensor 30 is mounted onto the base 22 with a fish-eye lens 33 pointed away from the base 22.
  • the base 22 is mounted on the ceiling 21, although base 22 may be attached elsewhere, such as on a floor. It is important to note that the system 20 has been so far described using a first mirror embodiment; namely, a convex parabolic mirror with a reflective surface on the outside of the mirror. However, other mirror variations are possible.
  • a concave parabolic mirror 241 can be used in the omnidirectional security and lighting system 20 of the present invention.
  • Figure 5 also shows the inter- relationship of the mirror 241 to the base 22, diffuser 242, image sensor 30, lens 32, and optional light 31.
  • Diffuser 242 optionally houses a lighting device (not shown).
  • the field of view in this embodiment criss-crosses, producing an inverted field of view of up to 180 degrees.
  • FIG. 6 illustrates a hyperbolic convex mirror 341 and shows the inter-relationship of this mirror to the base 22, diffuser 342, image sensor 30, lens 32 and optional lighting device 31.
  • a hyperbolic concave mirror 441 is shown in Figure 7, as is the inter-relationship of the mirror 441 to the base 22, diffuser 442, image sensor 30, lens 32 and optional light 31.
  • a spherical mirror 541 is shown in Figure 8, which also shows the inter-relationship of the mirror to the base 22, diffuser 542, image sensor 30, lens 32 and optional light 31.
  • Another mirror variation is shown in Figure 9, which illustrates a conical mirror 641 and shows the inter-relationship of this mirror to the base 22, diffuser 642, image sensor 30, lens 32 and optional light 31.
  • each mirror is made of any suitable strong, smooth material that may be made reflective, such as glass, plastic or metals, such as stainless steel or aluminum.
  • Figure 10 illustrates an alternative way of manufacturing a mirror, such as by building up a mosaic of small planar pieces of mirror material. It shows the relationship of the mirror 741 to the base 22, diffuser 742, image sensor 30, lens 32 and optional light 31. The individual planar pieces of mirror 741 are visible.
  • a sconce configuration is shown. This configuration may be attached to a wall, as is typical in a lobby, for instance, or to any desired vertical surface, by way of a mounting plate 45. Alternatively and optionally, mounting plate 45 my house the necessary power and signal lines for the system.
  • the mirror 841 is a vertically truncated paraboloid, which captures an 180 degree field of view, approximately half of the normal 360 degree field of view.
  • Image sensor 30, in this configuration is disposed below mirror 841, and is attached to lens 32.
  • Truncated spherical domes 31 on the bottom are decorative, preferably translucent hoods for lighting.
  • diffuser 842 may be shaped as decorative, translucent, truncated spherical domes also.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

Cette invention se rapporte à un système d'imagerie omnidirectionnel qui est combiné à un dispositif lumineux, de telle sorte qu'on puisse commander l'éclairage, soit à l'intérieur soit à l'extérieur de la zone sous surveillance. Un organe de commande est éventuellement prévu. Dans un mode de réalisation, le dispositif lumineux est placé à l'extérieur du champ de vision du système d'imagerie, et il éclaire le champ de vision. Le réglage de l'éclairage peut se faire en réponse à des variations lumineuses indésirables de la qualité de l'image ou en réponse à la détection d'un mouvement ou d'une intrusion. Dans une variante et en option, outre la commande de l'éclairage, l'organe de commande est également capable de manipuler diverses formes de chacune des images.
PCT/US2000/015225 1999-06-02 2000-06-02 Systeme de securite et d'eclairage omnidirectionnel WO2000074018A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU53157/00A AU5315700A (en) 1999-06-02 2000-06-02 Omni-directional security and lighting system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13741499P 1999-06-02 1999-06-02
US60/137,414 1999-06-02

Publications (1)

Publication Number Publication Date
WO2000074018A1 true WO2000074018A1 (fr) 2000-12-07

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PCT/US2000/015225 WO2000074018A1 (fr) 1999-06-02 2000-06-02 Systeme de securite et d'eclairage omnidirectionnel

Country Status (2)

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AU (1) AU5315700A (fr)
WO (1) WO2000074018A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2459506A (en) * 2008-04-26 2009-10-28 Wen-Hsiung Hsieh Surveillance Camera with Automatic Illumination
WO2013101853A2 (fr) * 2011-12-27 2013-07-04 Eye Stalks Corporation Procédé et appareil permettant un suivi visuel
US20140211004A1 (en) * 2006-02-28 2014-07-31 Sony Corporation Monitoring camera
US10674587B2 (en) 2016-10-11 2020-06-02 Signify Holding B.V. Control system for a surveillance system, surveillance system and method of controlling a surveillance system

Citations (7)

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Publication number Priority date Publication date Assignee Title
US4728839A (en) * 1987-02-24 1988-03-01 Remote Technology Corporation Motorized pan/tilt head for remote control
DE4011842A1 (de) * 1990-04-12 1991-10-17 Fraunhofer Ges Forschung Beleuchtungseinrichtung
FR2749117A1 (fr) * 1996-05-21 1997-11-28 Christophel Claude Camera video notamment destinee a la telesurveillance dans l'obscurite
US5739847A (en) * 1995-03-20 1998-04-14 Northrop Grumman Corporation Varied intensity and/or infrared auxiliary illumination of surveillance area
US5760826A (en) * 1996-05-10 1998-06-02 The Trustees Of Columbia University Omnidirectional imaging apparatus
US5886738A (en) * 1996-11-21 1999-03-23 Detection Dynamics Inc. Apparatus within a street lamp for remote surveillance
WO1999030197A1 (fr) * 1997-12-05 1999-06-17 The Trustees Of Columbia University In The City Of New York Dispositif omnidirectionnel servant a capter des images

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728839A (en) * 1987-02-24 1988-03-01 Remote Technology Corporation Motorized pan/tilt head for remote control
DE4011842A1 (de) * 1990-04-12 1991-10-17 Fraunhofer Ges Forschung Beleuchtungseinrichtung
US5739847A (en) * 1995-03-20 1998-04-14 Northrop Grumman Corporation Varied intensity and/or infrared auxiliary illumination of surveillance area
US5760826A (en) * 1996-05-10 1998-06-02 The Trustees Of Columbia University Omnidirectional imaging apparatus
FR2749117A1 (fr) * 1996-05-21 1997-11-28 Christophel Claude Camera video notamment destinee a la telesurveillance dans l'obscurite
US5886738A (en) * 1996-11-21 1999-03-23 Detection Dynamics Inc. Apparatus within a street lamp for remote surveillance
WO1999030197A1 (fr) * 1997-12-05 1999-06-17 The Trustees Of Columbia University In The City Of New York Dispositif omnidirectionnel servant a capter des images

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140211004A1 (en) * 2006-02-28 2014-07-31 Sony Corporation Monitoring camera
CN106101500A (zh) * 2006-02-28 2016-11-09 索尼株式会社 监控摄像机
CN106101501A (zh) * 2006-02-28 2016-11-09 索尼株式会社 监控摄像机
US10368038B2 (en) * 2006-02-28 2019-07-30 Sony Corporation Monitoring camera
CN106101501B (zh) * 2006-02-28 2020-01-10 索尼株式会社 监控摄像机
CN106101500B (zh) * 2006-02-28 2020-01-10 索尼株式会社 监控摄像机
GB2459506A (en) * 2008-04-26 2009-10-28 Wen-Hsiung Hsieh Surveillance Camera with Automatic Illumination
WO2013101853A2 (fr) * 2011-12-27 2013-07-04 Eye Stalks Corporation Procédé et appareil permettant un suivi visuel
WO2013101853A3 (fr) * 2011-12-27 2013-10-03 Eye Stalks Corporation Procédé et appareil permettant un suivi visuel
US9615063B2 (en) 2011-12-27 2017-04-04 Eye Stalks Corporation Method and apparatus for visual monitoring
US10674587B2 (en) 2016-10-11 2020-06-02 Signify Holding B.V. Control system for a surveillance system, surveillance system and method of controlling a surveillance system

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