[go: up one dir, main page]

WO2018165700A1 - Système et procédé de caméra de sécurité - Google Patents

Système et procédé de caméra de sécurité Download PDF

Info

Publication number
WO2018165700A1
WO2018165700A1 PCT/AU2018/050207 AU2018050207W WO2018165700A1 WO 2018165700 A1 WO2018165700 A1 WO 2018165700A1 AU 2018050207 W AU2018050207 W AU 2018050207W WO 2018165700 A1 WO2018165700 A1 WO 2018165700A1
Authority
WO
WIPO (PCT)
Prior art keywords
camera
slave
master
transceiver
area
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.)
Ceased
Application number
PCT/AU2018/050207
Other languages
English (en)
Inventor
Charles Richard WILKINS
Peter William HOLTON
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.)
Spectur Ltd
Original Assignee
Spectur Ltd
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
Priority claimed from AU2017900897A external-priority patent/AU2017900897A0/en
Application filed by Spectur Ltd filed Critical Spectur Ltd
Publication of WO2018165700A1 publication Critical patent/WO2018165700A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • 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
    • G08B13/19639—Details of the system layout
    • G08B13/19641—Multiple cameras having overlapping views on a single scene
    • G08B13/19643—Multiple cameras having overlapping views on a single scene wherein the cameras play different roles, e.g. different resolution, different camera type, master-slave camera
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/16—Security signalling or alarm systems, e.g. redundant systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/001—Transmission of position information to remote stations
    • G01S2205/002—Transmission of position information to remote stations for traffic control, mobile tracking, guidance, surveillance or anti-collision
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2206/00—Systems for exchange of information between different pieces of apparatus, e.g. for exchanging trimming information, for photo finishing

Definitions

  • This invention relates to a security camera system, a security camera master unit, a security camera slave unit, and an associated security camera method.
  • Security cameras are known in the art. Such security cameras are also generally known as closed-circuit television
  • CCTV or video surveillance
  • CCTV has become prevalent for applications including crime prevention, industrial processes, traffic monitoring, transport safety, sporting events, monitoring of employees, use in schools and home security.
  • Pan- tilt-zoom cameras being a camera that is capable of remote pan-tilt-zoom functionality, or non-PTZ cameras without pan-tilt-zoom functionality.
  • a PTZ camera is manned, where an operator is able to remotely control the pan- tilt-zoom functionality in order to direct a camera to monitor specific areas of interest.
  • non-PTZ cameras are generally unmanned and may be restricted in their field-of- view .
  • existing PTZ cameras may include a built-in firmware programme that monitors the change of pixels generated by the camera image sensor.
  • the camera can automatically focus on the pixel variation and virtually ⁇ focus' the camera in an attempt to centre the pixel fluctuation on the image sensor output.
  • non-PTZ cameras are generally restricted in their ability to make a judgement about suspicious activity in low-light conditions or at night, particularly if the activity is at a distance such that the pixel count is too low or noisy; or outside the field-of-view of the lens.
  • the solution was to simply add more cameras, which can significantly increase the cost and complexity of the security camera system in use.
  • the present invention seeks to propose possible solutions, at least in part, in amelioration of the known shortcomings in the art of security cameras and video surveillance.
  • a security camera system comprising:
  • a master unit having i) a digital camera for operatively monitoring said camera's field-of-view, ii) a master transceiver configured to send and receive signals, and iii) a processor adapted to control the camera and to perform radiolocation on a signal received by the master transceiver; and
  • At least one slave unit remotely locatable within the camera's field-of-view and having i) a sensor configured to sense a particular occurrence, ii) a light source for operatively illuminating an area, and iii) a slave transceiver configured to send a signal to the master transceiver, wherein a sensed instance of the particular occurrence causes the light source to illuminate the area and the slave transceiver to transmit a signal to the master transceiver so that the processor is able to radiolocate and focus the camera onto the area .
  • reference herein to the field-of-view of a digital camera generally refers to the angle through which the digital camera is useably sensitive to electromagnetic radiation.
  • reference herein to radiolocation and its derivatives generally refers to the determination of a position of an object, such as the slave unit, by means of the propagation properties of electromagnetic waves, such as the signal, and includes any suitable radiodetermination techniques .
  • the processor focuses the camera onto the area by means of digitally zooming the camera onto the radiolocated area.
  • the processor focuses the camera onto the area by optically focusing and/or zooming a lens arrangement of the camera.
  • the digital camera comprises a high- definition still or video camera.
  • the master transceiver comprises a modulator-demodulator (modem) for transmission and/or reception of signals via a suitable transmission channel.
  • modem modulator-demodulator
  • the processor is adapted to control the camera and to perform radiolocation by means of executing a particular set of instructions.
  • the slave unit comprises a slave camera configured to capture an image of the area on a sensed instance of the particular occurrence.
  • the slave camera comprises a high- definition still or video digital camera.
  • the slave unit is configured to transmit the image captured by the slave camera to the master unit via the slave transceiver.
  • the slave transceiver comprises a modulator-demodulator (modem) for transmission and reception of signals via a suitable transmission channel.
  • modem modulator-demodulator
  • the senor comprises a motion sensor and/or an activity sensor for sensing motion and/or a specific activity indicative of the particular occurrence.
  • a security camera master unit comprising:
  • a digital camera for operatively monitoring said camera' s field-of-view
  • a master transceiver configured to send and receive signals
  • a processor adapted to control the camera and to perform radiolocation on a signal received by the master transceiver; wherein the master unit is operatively arranged in signal communication with at least one slave unit located within the camera' s field-of-view, the master transceiver responsive to a signal received from the slave unit to radiolocate and focus the camera onto an area monitored by the slave unit.
  • the processor automatically focuses the camera onto the area by means of digitally zooming the camera onto the radiolocated area.
  • the processor automatically focuses the camera onto the area by optically focusing and/or zooming a lens arrangement of the camera.
  • the digital camera comprises a high- definition still or video camera.
  • the master transceiver comprises a modulator-demodulator (modem) for transmission and/or reception of signals via a suitable transmission channel.
  • modem modulator-demodulator
  • the processor is adapted to control the camera and to perform radiolocation by means of executing a particular set of instructions.
  • a security camera slave unit operatively locatable within a field-of-view of a camera of an associated master unit, the slave unit comprising:
  • a sensor configured to sense a particular occurrence; a light source for operatively illuminating an area; and a slave transceiver configured to send a signal to a master transceiver of the master unit, wherein a sensed instance of the particular occurrence causes the light source to illuminate the area and the slave transceiver to transmit a signal to the master transceiver so that the master unit is able to radiolocate and focus the camera onto the area.
  • the master unit focuses the camera onto the area by means of digitally zooming the camera onto the radiolocated area.
  • the master unit focuses the camera onto the area by optically focusing and/or zooming a lens arrangement of the camera.
  • the camera comprises a high-definition digital still or video camera.
  • the slave unit comprises a slave camera configured to capture an image of the area on a sensed instance of the particular occurrence.
  • the slave camera comprises a high- definition still or video digital camera.
  • the slave unit is configured to transmit the image captured by the slave camera to the master unit via the slave transceiver.
  • the slave transceiver comprises a modulator-demodulator (modem) for transmission and reception of signals via a suitable transmission channel.
  • modem modulator-demodulator
  • the senor comprises a motion sensor and/or an activity sensor for sensing motion and/or a specific activity indicative of the particular occurrence.
  • a security camera method comprising the steps of: providing a master unit having i) a digital camera for operatively monitoring its field-of-view, ii) a master transceiver configured to send and receive signals, and iii) a processor adapted to control the camera and to perform radiolocation on a signal received by the master transceiver; remotely locating at least one slave unit within the camera's field-of-view, said slave unit having i) a sensor configured to sense a particular occurrence, ii) a light source for operatively illuminating an area, and iii) a slave transceiver configured to send a signal to the master transceiver;
  • the master and slave units via the master and slave units, monitoring the field-of- view so that a sensed instance of the particular occurrence causes the light source to illuminate the area and the slave transceiver to transmit a signal to the master transceiver so that the processor is able to radiolocate and focus the camera onto the area.
  • FIG. 1 is a diagrammatic representation of a security camera system, in accordance with an aspect of the present invention.
  • FIG. 2 is a diagrammatic representation of a security camera method, in accordance with a further aspect of the present invention.
  • the system 10 generally comprises a master unit 12 and at least one slave unit 22.
  • the system 10 generally comprises a master unit 12 and at least one slave unit 22.
  • the master unit 12 generally includes a digital camera 14 for operatively monitoring its field-of-view 16, a master transceiver 18 configured to send and receive signals, and a processor 20 adapted to control the camera 14 and to perform radiolocation on a signal 34 received by the master transceiver 18.
  • the camera's field-of- view 16 is often limited during low-light conditions, such as at night time.
  • any motion detection capability of the camera 14 will be reduced in low-light conditions, as represented by 16.1, which is indicative of the low-light field-of-view of camera 14.
  • the slave unit 22 is generally remotely locatable within the camera's field-of-view 16, particularly outside the low-light field-of-view 16.1, as shown.
  • the general field-of-view 16 of the camera 14 may extend 100m from the camera 14 during day-time, but the low-light field-of-view 16.1 may only extend to 30m at night time.
  • the slave unit 22 also typically includes a sensor 24 configured to sense a particular occurrence within a specific area 28, a light source 26 for operatively illuminating the area 28, and a slave transceiver 30 configured to send a signal 34 to the master transceiver 18.
  • a sensed instance of the particular occurrence causes the light source 26 to illuminate the area 28 and the slave transceiver 30 to transmit a signal 34 to the master transceiver 18 so that the processor 20 is able to radiolocate and focus the camera 14 onto the illuminated area 28.
  • the digital camera 14 comprises a high- definition still or video camera.
  • the processor 20 typically focuses the camera 14 onto the area 28 by means of digitally zooming the camera 14 onto the radiolocated area 28. It is to be appreciated that digitally zooming the camera typically involves decreasing an apparent angle of view of a digital photographic or video image, as is well known in the art if digital image processing.
  • the processor 22 may focus the camera 14 onto the area 28 by optically focusing and/or zooming a lens arrangement of the camera 14 as well.
  • Of particular relevance is the amount of bandwidth and/or data storage required by the master unit 12 to capture and/or store and/or transmit the camera images elsewhere for monitoring purposes.
  • the system 10 generally adds an extra level of intelligence in a firmware of the processor 20 and/or camera 14, as it allows for the automatic control of the camera's sensor resolution.
  • the system 10 enables the camera to ⁇ focus' on a particular area within its field-of-view, for example through parallax compensation. Furthermore, the system 10 digitally zooms to the area 28 by limiting the pixel area to within reduced boundaries and adjusts resolution to maximum on an instance of the particular occurrence, as sensed by the sensor 24, especially at night when the illumination is low.
  • the camera 14 may have an image sensor of very high resolution, such that a full resolution image may be an order of magnitude larger that a practical sized image. However, due to cost of transmitting data and the availability of data speeds which may not be optimal, the maximum resolution may not be possible to use for the total image that the lens can capture.
  • the slave units 22 each comprise a slave camera 32 configured to capture an image of the area 28 on a sensed instance of the particular occurrence.
  • the slave camera comprises a high- definition still or video digital camera.
  • the slave unit 22 may further be configured to transmit the image captured by the slave camera 32 to the master unit 12 via the slave transceiver 30.
  • the master transceiver 18 comprises a modulator-demodulator (modem) for transmission and/or reception of signals via a suitable transmission channel, such as a suitable radio channel, or the like.
  • the slave transceiver may also comprise a modulator-demodulator (modem) for transmission and reception of signals via the transmission channel .
  • the sensor 24 generally comprises a motion sensor and/or an activity sensor for sensing motion and/or a specific activity indicative of the particular occurrence.
  • the sensor 24 may comprise an infra ⁇ red motion sensor, a reed switch to sense a door or window opening, a radar motion sensor, a laser trip switch, etc.
  • the master unit 12 can instruct the slave units 22 to activate their respective light sources 26, or cameras 14, if required. It is therefore possible, if a number of slave units 22 are paired' to the master unit 12, for a complete ring of lights to activate immediately a transgressor is detected anywhere in the areas 28 covered by the slave units 22. This functionality provides an additional deterrent to transgression especially on dark and uninhabited building sites in remote areas.
  • the system 10 provides for remote slave units 22 with suitable sensors 24 with a bi-directional, typically wireless communication channel, equipped with a powerful flood lamp producing white light, indirectly triggered by a sensor or some other detection mechanism. If a slave unit, for example 100m away from the master unit 12 detects a transgressor, it signals to the master unit 12 via a bidirectional radio signal. The master unit 12 'knows' the azimuthal location of the remote unit via radiolocation and after switching on the remote light
  • the present invention includes an associated security camera method 40, diagrammatically shown in Figure 2.
  • the method 40 generally comprises the steps of providing 42 the master unit 12, as described above, remotely locating 44 at least one slave 22 unit within the camera's field-of-view 16, and via these master and slave units, monitoring 46 the field-of-view 16 so that a sensed instance of the particular occurrence causes the light source 26 to illuminate the area 28 and the slave transceiver 30 to transmit a signal 34 to the master transceiver 18 so that the processor 20 is able to radiolocate and focus the camera 14 onto the area 28.
  • Optional embodiments of the present invention may also be said to broadly consist in the parts, elements and features referred to or indicated herein, individually or collectively, in any or all combinations of two or more of the parts, elements or features, and wherein specific integers are mentioned herein which have known equivalents in the art to which the invention relates, such known equivalents are deemed to be incorporated herein as if individually set forth.
  • well-known processes, well-known device structures, and well-known technologies are not described in detail, as such will be readily understood by the skilled addressee .

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Studio Devices (AREA)

Abstract

L'invention concerne un système de caméra de sécurité (10) ayant une unité maître (12) et au moins une unité esclave (22). L'unité maître (12) comprend d'une manière générale une caméra numérique (14) pour surveiller fonctionnellement son champ de vision (16), un émetteur-récepteur maître (18) configuré pour envoyer et recevoir des signaux, et un processeur (20) conçu pour commander la caméra (14) et pour effectuer une radiolocalisation sur un signal (34) reçu par l'émetteur-récepteur maître (18). L'unité esclave (22) peut d'une manière générale être localisée à distance dans le champ de vision de la caméra (16) et comprend normalement aussi un capteur (24) configuré pour détecter une occurrence particulière dans une zone spécifique (28), une source de lumière (26) pour éclairer fonctionnellement la zone (28), et un émetteur-récepteur esclave (30) configuré pour envoyer un signal (34) à l'émetteur-récepteur maître (18). De cette manière, une présence détectée de l'occurrence particulière amène la source de lumière (26) à éclairer la zone (28) et l'émetteur-récepteur esclave (30) à émettre un signal (34) à l'émetteur-récepteur maître (18) de sorte que le processeur (20) peut radiolocaliser et diriger la caméra (14) sur la zone éclairée (28).
PCT/AU2018/050207 2017-03-14 2018-03-06 Système et procédé de caméra de sécurité Ceased WO2018165700A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2017900897 2017-03-14
AU2017900897A AU2017900897A0 (en) 2017-03-14 Security camera system and method

Publications (1)

Publication Number Publication Date
WO2018165700A1 true WO2018165700A1 (fr) 2018-09-20

Family

ID=63521634

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2018/050207 Ceased WO2018165700A1 (fr) 2017-03-14 2018-03-06 Système et procédé de caméra de sécurité

Country Status (1)

Country Link
WO (1) WO2018165700A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030095688A1 (en) * 2001-10-30 2003-05-22 Kirmuss Charles Bruno Mobile motor vehicle identification
US20050057361A1 (en) * 2003-07-10 2005-03-17 University Of Florida Research Foundation, Inc. Remote surveillance and assisted care using a mobile communication device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030095688A1 (en) * 2001-10-30 2003-05-22 Kirmuss Charles Bruno Mobile motor vehicle identification
US20050057361A1 (en) * 2003-07-10 2005-03-17 University Of Florida Research Foundation, Inc. Remote surveillance and assisted care using a mobile communication device

Similar Documents

Publication Publication Date Title
EP2710801B1 (fr) Système de surveillance
KR101543542B1 (ko) 지능형 감시 시스템 및 이를 이용한 지능형 감시 방법
KR102241529B1 (ko) 구역 설정이 가능한 무인 복합 감시시스템
KR101290782B1 (ko) 지능적 다중 객체 추적 알고리즘 기반의 다중 ｐｔｚ 카메라 제어 시스템 및 방법
KR102230552B1 (ko) 움직임 감지와 레이더 센서를 이용한 탐지 객체 위치 산출 장치
KR20160120648A (ko) 환경에 따른 필터 구동과 ir라이트 구동 카메라장치
KR100775867B1 (ko) 이동 물체 자동 추적 시스템
KR20210042591A (ko) 감시 카메라 시스템 및 그 동작 방법
KR102139067B1 (ko) 전천후 영상 감시시스템
KR100929921B1 (ko) 유비퀴터스 일체형 보안영상장치 및 시스템
JPH11284988A (ja) 監視カメラ装置
KR102376733B1 (ko) 다기능 영상 네트워크 카메라를 이용한 지능형 방재 및 재난 안전 시스템 제어 방법
KR20110114096A (ko) 열상 카메라를 채용하는 감시 시스템 및 이를 이용한 야간 감시 방법
EP1161837A1 (fr) Camera et systeme de television en circuit ferme (tvsf)
KR101738514B1 (ko) 어안 열상 카메라를 채용한 감시 시스템 및 이를 이용한 감시 방법
JP2008219452A (ja) カメラ監視装置
WO2018165700A1 (fr) Système et procédé de caméra de sécurité
JP5037279B2 (ja) 監視装置
KR100227648B1 (ko) 산불 관리 시스템
KR20080076201A (ko) 전방향 감지카메라에 의한 이동식 보안 시스템
KR101964744B1 (ko) 가시광선 조명과 적외선 조명 일체형 cctv 카메라 시스템
KR101075874B1 (ko) 영상전송장치
KR20090131888A (ko) 자기센서를 이용한 영상 모니터링 시스템
KR102671093B1 (ko) 감시 카메라 시스템 및 그 제어 방법
KR101061868B1 (ko) 듀얼 감시 카메라를 이용한 모니터링 시스템

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18768184

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18768184

Country of ref document: EP

Kind code of ref document: A1