CN1343423A - Closed circuit television (CCTV) camera and system - Google Patents

Closed circuit television (CCTV) camera and system Download PDF

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Publication number
CN1343423A
CN1343423A CN 00805038 CN00805038A CN1343423A CN 1343423 A CN1343423 A CN 1343423A CN 00805038 CN00805038 CN 00805038 CN 00805038 A CN00805038 A CN 00805038A CN 1343423 A CN1343423 A CN 1343423A
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video camera
image
motion
camera
cctv
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CN 00805038
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Chinese (zh)
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CN1165174C (en
Inventor
殷家洪
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Central Research Laboratories Ltd
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Central Research Laboratories Ltd
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Priority claimed from GBGB9906040.2A external-priority patent/GB9906040D0/en
Priority claimed from GBGB9907857.8A external-priority patent/GB9907857D0/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189Actuation 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
    • G08B13/194Actuation 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
    • G08B13/196Actuation 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
    • G08B13/19678User interface
    • G08B13/19691Signalling events for better perception by user, e.g. indicating alarms by making display brighter, adding text, creating a sound
    • G08B13/19693Signalling events for better perception by user, e.g. indicating alarms by making display brighter, adding text, creating a sound using multiple video sources viewed on a single or compound screen
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189Actuation 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
    • G08B13/194Actuation 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
    • G08B13/196Actuation 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
    • G08B13/19602Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • G08B13/19604Image analysis to detect motion of the intruder, e.g. by frame subtraction involving reference image or background adaptation with time to compensate for changing conditions, e.g. reference image update on detection of light level change
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189Actuation 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
    • G08B13/194Actuation 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
    • G08B13/196Actuation 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
    • G08B13/19639Details of the system layout
    • G08B13/19641Multiple cameras having overlapping views on a single scene
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189Actuation 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
    • G08B13/194Actuation 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
    • G08B13/196Actuation 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
    • G08B13/19695Arrangements wherein non-video detectors start video recording or forwarding but do not generate an alarm themselves
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Studio Devices (AREA)

Abstract

The invention relates to a CCTV camera and system. Existing CCTV systems sometimes have many cameras which monitor offices, shops or public places. There is often a risk that a detected incident or event is not displayed at a control room at the time when the event occurs. In a preferred embodiment, the invention provides a CCTV system in which means is provided at a camera to obtain information indicative of displacement of an object in the field of view (FOV) of the camera. Processing means determines whether said information exceeds a predetermined threshold and if this occurs switches a monitor to receive from said camera(s). The advantage of the invention is that viewed events are displayed automatically at the instant they occur.

Description

Specification Close Circuit Television (CCTV) video camera and system
The present invention relates to Close Circuit Television (CCTV) video camera and system thereof, more particularly, the present invention relates to multiple-camera CCTV system.
Even this multiple-camera CCTV system can comprise tens hundreds of video cameras.Can watch monitor at central control room or at central monitoring position away from video camera installation monitor and operator.
In the myriad applications that comprises office, parking lot, shopping center, highway, railway and airport, in order to enforce vigilance and safety, the use of multiple-camera CCTV system is increasing gradually.
The analog image that video camera obtains can be sent to central monitoring position by the cable that links to each other with each video camera.The expense of cabling is high and be unsuitable for cabling and only be suitable for using for example mobile camera for some situation.In this case, the CCTV system sends image by radio frequency (RF) link.This RF link has finite bandwidth, has therefore limited operable number of cameras in arbitrary system.
Digital camera produces mass data.Therefore, use data compression technique wireless (RF) CCTV surveillance planted agent.Yet these technology still do not allow all video cameras to send data simultaneously.Therefore, in order to monitor the house or to check that the operator must be transformed into next video camera continuously from a video camera in the ad-hoc location what's going on.
The problem that exists is in certain position situation to have taken place sometimes, and do not check this position when a situation arises.
The present invention proposes in order to overcome this problem and relevant issues.
According to an aspect of the present invention, provide a kind of video camera, this video camera has: be used to determine whether the information that detects in its viewing area comprises the device of motion object; Processing unit is used for determining whether described motion object surpasses predetermined threshold; And the device that is used for sending to remote location to the described moving image of major general's part.
The assembly first that is used for acquired information comprises charge-coupled device (CCD) and microprocessor, and set microprocessor is discerned between the static pixel of image and motion pixel or motion parts.The device of like this signal being regulated can be set, even this signal priority is in another signal.Therefore, when in the range of observation at video camera events of interest taking place, automatically one or more video cameras are configured and/or change so that view data is sent to central monitoring position.
According to another aspect of the present invention, provide a kind of Close Circuit Television (CCTV) system, this closed-circuit television system comprises: a plurality of CCTV video cameras and the communication channel from each described video camera at least one monitor; It is characterized in that, be arranged on the device of the information that is used on the video camera to obtain to point out that the object in the video camera viewing area is subjected to displacement and be provided for determining whether described information surpasses the processing unit of predetermined threshold, if it is described above described threshold value, then produce flash override, flash override is transformed into monitor from described video camera and receives.
Can introduce motion sensor or infrared ray sensor for each video camera, so just can only detect motion back transmission image.Can adopt video camera to follow the trail of or moving object tracking.If the object that uses the infrared ray motion sensor senses to exist in the viewing area of video camera then can be configured this infrared ray motion sensor initial warning or initial alert as appearance activity in the certain observation zone of video camera.This information also correspondingly can be changed monitor as override initialization signal.In addition, processing unit determines whether that with being used to the device that surpasses predetermined threshold will give more high priority.This is because more high priority links together itself and quantitative parameter.For example, the former embodiment can be activated by the animal such as bird or cat; When merging, just can discern these incidents with latter embodiment.
Can also be provided with to area-of-interest detect also/or obtain to point out the device of characteristic information in the image.Be provided for preferentially determining whether described information contains the device of pointing out to exercise supervision and monitoring the data of events of interest.Surpass predetermined threshold if obtained described data and/or described data, then produce flash override, this flash override conversion transmitters sends to monitor with the view data with described video camera.For example, if these area-of-interests contain events of interest and exist channel to reach the danger of its capacity limitation, then the present invention can send a part or a plurality of partial graph picture frames.Therefore, though unlikely, just in case several video camera sends data simultaneously, then, can utilize monitor to receive image simultaneously from a more than video camera for example by being two or more parts with the thing recombinant.On the other hand, video memory can also be set, for example buffer.Video memory makes and can retrieve at the observed image of different time at every turn.
Also preferentially be provided for the device of which part which part useful and data unnecessary (for example stationary objects) of specified data.It is favourable that setting is carried out apparatus for encoding with for example MPEG 4 forms to data to be sent, so just can reduce the data volume of transmission.
The assembly first that is used for acquired information comprises charge-coupled device (CCD) and is used to discern the microprocessor of pixel characteristic, frame memory and/or such as the special circuit of ASIC.Can be configured or programme described microprocessor and ASIC, and described microprocessor and ASIC can also communicate by one or more communication channels and other video camera.
Be provided for the actuating device of the viewing area of mobile camera.Can under the control of microprocessor, operate moving with greetings device, microprocessor is provided with such mobile camera, be about to objects and remain in the viewing area.
The for example artificial intelligence of neural net form can be included in the system.
In order to improve the communication capacity of channel, be provided for the motion parts of recognition image and the device of the image section that object occupies.Use consecutive image, utilize motion detector can realize the motion parts of recognition image.Use the benchmark image of adopting that only contains background image information, utilize object detector can realize the image section that identifying object occupies.
Also be provided for detecting the device of the direction of motion or motion principal direction,, so just can adopt video camera to follow the trail of or follow the tracks of a motion object/a plurality of motion objects if in the viewing area of video camera, there are a plurality of directions.
Only utilize example that embodiments of the invention are described referring now to accompanying drawing, accompanying drawing comprises:
Fig. 1 illustrates the block diagram according to video camera example of the present invention;
Fig. 2 illustrates the functional block diagram of camera processes unit;
Fig. 3 illustrates and introduces the block diagram that video camera is used to detect motion motion of objects edge detector;
Fig. 4 illustrates the block diagram of object detector;
Fig. 5 illustrates total figure of the system that comprises 4 video cameras;
Fig. 1 illustrates the block diagram of video camera 2, and video camera 2 comprises processing unit 10 and MPEG 4 encoders 4.For example be provided for by tilt, panning or the image zoom actuator 8 of mobile camera 2 in a controlled manner.Fig. 2 illustrates in greater detail processing unit 10.
With reference to figure 1, video camera 2 has lens 6 and visual detector, and visual detector is preferably charge-coupled device (CCD).Video camera 2 outputs: send request signal, when having detected incident, be used to ask transmitter to send data; Tracking control signal, control actuator 8 is followed the tracks of event motion.Entire image is identical with the image that conventional video camera obtains.Image in area-of-interest (AOI) the image output area-of-interest.The coded image of the MPEG 4 of MPEG 4 images output AOI image.
The operating process of video camera is described referring now to Fig. 2.With reference to figure 2, store 3 frames of order video image 11 into 3 frame memory FS1 21, FS2 22 and FS3 23.Utilize this three images, the movement edge in movement edge detector 31 detected image also produces the movement edge image.In order to check in the video camera viewing area, whether there is object, the benchmark image 32 that only contains background image data is compared with sequential picture.Only otherwise have detected object, just can adopt benchmark image automatically, so can avoid changing the problem of ambient lighting situation.By the image of benchmark image 32 with FS2 22 outputs compared, whether object detector 33 checks exist events of interest in image.
Utilize the information of intrinsic information of movement edge image and detected object, can detect 3 features.These 3 features are: the direction and the area-of-interest of events of interest, motion object.Testing process can be regarded as the advanced analysis process.Analyzer 43 interested estimates whether to exist incident in viewing area.This can be the object/people who exists, or is static background just.According to the events of interest that detects, discriminating gear 50 determines when and sends which image.Area-of-interest in 42 pairs of images that detect in the events of interest zone of area-of-interest analyzer is measured.Therefore, only send the interior data of AOI.The other parts that can ignore image are because they are static relatively and therefore deleted.So just saved bandwidth.By utilizing block-matching technique, direction analyzer 41 detects the general direction of event motion.If there is actuator, this information can be used to control actuator, and actuator 15 control video cameras 2 are followed the tracks of events of interest.
According to three variablees: the direction and the area-of-interest of events of interest, motion object, discriminating gear 50 produces 3 signal A, B and C.Which part that signal A notice frame buffer 60 is ready for sending image and sends image.By surmounting existing channel, signal B request transmitter sends image.Signal C controls like this to the video camera 10 shown in the accompanying drawing 1, when promptly needing, by tilt, panning or image zoom, video camera 10 is followed the tracks of events of interest.Then, utilize MPEG 4 encoders image is encoded and or to connect this signal of transmission or send as radio frequency VHF or UHF signal by rigid line (optical fiber).
Fig. 3 diagram illustrates the movement edge detector.3 consecutive images of order video image 11 are stored into three frame memory FS1 21, FS2 22 and FS3 23 and are used to the movement edge detection.I 1(x, y), I 2(x, y) and I 3(x, y) 3 consecutive images of distribution expression.The edge is according to 32 the I that is input as 2(x, y), it is output as E 2(x, y), E 2(x y) is image I 2(x, edge image y).The input of instantaneous difference (1) 31 is I 1(x, y) and I 2(x, y), and its output is error image D 12(x, y), following equation has defined error image D 12(x, y):
D 12(x, y)=| I 1(x, y)-I 2(x, y) | the input of the instantaneous difference (2) 33 of equation (1) is I 2(x, y) and I 3(x, y), and its output is error image D 23(x, y), following equation 2 has defined error image D 23(x, y):
D 23(x, y)=| I 2(x, y)-I 3(x, y) | equation (2) multiplier 41 be input as D 12(x, y), E 2(x, y) and D 23(x, y), according to following formula calculate its be output as M (x, y):
M (x, y)=D 12(x, y) .E 2(x, y) .D 23(x, y) output of equation (3) threshode devices 42 be movement edge image M E (x, y) 12, following formula definition movement edge image M E (x, y) 12:
Figure A0080503800071
T wherein mIt is the movement edge detection threshold.
Fig. 4 illustrates an example of object detector.Frame memory FS2 21 storage input pictures 11, input picture 11 is one of sequential pictures of video camera 2 picked-ups and may contains object.Reference picture store 22 is frame memories of Memory Reference image, only contains background image in the benchmark image.As long as do not have detected object in the image, input picture 11 adopts benchmark image automatically.Therefore, can overcome the problem that changes light intensity.Suppose I 2(x, y) and R (x y) represents image and benchmark image in the FS2 respectively.By with I 2(x, y) with R (x y) compares, light intensity subtracter 23 produce error image D (x, y), according to following formula calculated difference image D (x, y):
D (x, y)=| I 2(x, y)-R (x, y) | equation (5) utilizes threshold technology then, according to the output O of following formula definition threshode devices 31 (x, y):
Figure A0080503800081
Wherein 1 this pixel of expression is an object, and 0 this pixel of expression is a background pixel, T 0The indicated object detection threshold.
By analyzer 32, output signal 12 is pointed out to detect an object or is detected a plurality of objects.
Fig. 5 diagram illustrates total figure of the system 100 that comprises 4 video camera 100A, 100B, 100C and 100D.By hard-line connector video camera 100A and 100B are connected to monitoring station 104.Also pass through radio-frequency transmitter 108 by radio frequency sending set 106C and 106D, video camera 100C and 100D are connected to monitoring station 104.
Monitoring station 104 is connected to a plurality of monitors 110, one of them monitor 110 only is shown.The screen 112 of monitor can be divided into 4 parts, can show the image of one or more video camera picked-ups at each several part.
Only utilize example to describe the present invention, can in essential scope of the present invention, change described embodiment.

Claims (8)

1. video camera, this video camera has: be used to determine whether the information that detects in its viewing area comprises the device of motion object; Processing unit is used for determining whether described motion object surpasses predetermined threshold; And the device that is used for sending to remote location to the described moving image of major general's part.
2. video camera according to claim 1, wherein being used at least sending part, to divide the device of described moving image be radio frequency (rf) transmitter.
3. video camera according to claim 1 and 2, wherein video camera have be configured to realize, the actuator of panning or image zoom.
4. according to claim 1,2 or 3 described video cameras, wherein comprise a motion sensor at least, can only when detecting motion, send image like this.
5. Close Circuit Television (CCTV) video camera and system thereof, this system comprises a plurality of CCTV video cameras and the communication channel from each described video camera at least one monitor; It is characterized in that, be arranged on the device of the information that is used on the video camera to obtain to point out that the object in the video camera viewing area is subjected to displacement and be provided for determining whether described information surpasses the processing unit of predetermined threshold, if surpass described threshold value, then produce flash override, flash override is transformed into monitor from described video camera and receives.
6. system according to claim 5, the device that wherein is used for acquired information comprises charge-coupled device (CCD) and microprocessor, set microprocessor is discerned between the static pixel of image and motion pixel or motion parts.
7. system according to claim 5, this system comprise for example artificial intelligence of neural net form.
8. method that is used for the view data that video camera obtains is sent to remote location, the method comprising the steps of: whether determine object in the video camera viewing area in motion, and if in motion, determine then whether it surpasses predetermined threshold; If surpass described threshold value, then produce flash override, send to remote location with flash override to major general's parts of images data; Dispose described flash override like this, the monitor that is about to remote location is transformed into and shows described image section.
CNB008050384A 1999-03-16 2000-03-16 Closed circuit television (CCTV) camera and system Expired - Fee Related CN1165174C (en)

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GB9906040.2 1999-03-16
GBGB9906040.2A GB9906040D0 (en) 1999-03-16 1999-03-16 A close circuit television (CCTV) system
GB9907857.8 1999-04-07
GBGB9907857.8A GB9907857D0 (en) 1999-04-07 1999-04-07 Closed circuit television (CCTV) camera system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100334598C (en) * 2002-11-26 2007-08-29 东芝照明技术株式会社 Market plan support system
CN102348105A (en) * 2010-07-29 2012-02-08 正文科技股份有限公司 Digital image supervising device
US8964050B2 (en) 2007-12-13 2015-02-24 Canon Kabushiki Kaisha Image capturing apparatus, control method therefor, and program
CN108353149A (en) * 2015-10-26 2018-07-31 李炯勇 CCTV sorts monitoring system CCTV and sorts monitoring management server and management method automatically automatically

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE556536T1 (en) * 2000-11-13 2012-05-15 Wells & Verne Invest Ltd COMPUTER-ASSISTED IMAGE PRODUCTION SYSTEM
US6411209B1 (en) * 2000-12-06 2002-06-25 Koninklijke Philips Electronics N.V. Method and apparatus to select the best video frame to transmit to a remote station for CCTV based residential security monitoring
CA2459823C (en) 2001-09-07 2012-04-03 Intergraph Hardware Technologies Company Method, device and computer program product for demultiplexing of video images
AU2002253460A1 (en) * 2001-12-04 2003-06-17 Wells And Verne Investments Limited Computer-aided system for image production
US7382896B2 (en) * 2002-08-13 2008-06-03 Hitachi Kokusai Electric Inc. Object detection method and apparatus which perform object detection using set parameters
AU2004233453B2 (en) 2003-12-03 2011-02-17 Envysion, Inc. Recording a sequence of images
JP5665580B2 (en) * 2011-02-03 2015-02-04 三菱電機株式会社 Video surveillance device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988533A (en) * 1974-09-30 1976-10-26 Video Tek, Inc. Video-type universal motion and intrusion detection system
EP0028933A3 (en) * 1979-11-09 1981-06-03 Ascotts Ltd. Surveillance system
GB2150724A (en) * 1983-11-02 1985-07-03 Christopher Hall Surveillance system
US5243418A (en) * 1990-11-27 1993-09-07 Kabushiki Kaisha Toshiba Display monitoring system for detecting and tracking an intruder in a monitor area
US5289275A (en) * 1991-07-12 1994-02-22 Hochiki Kabushiki Kaisha Surveillance monitor system using image processing for monitoring fires and thefts
KR940007846B1 (en) * 1991-12-09 1994-08-25 주식회사 금성사 Apparatus for detecting movement
GB2269506B (en) * 1992-08-07 1996-02-07 Gec Ferranti Defence Syst Integrated-circuit image sensor
US5398057A (en) * 1993-01-12 1995-03-14 Tapp; Hollis M. Security and surveillance system
CA2148231C (en) * 1993-01-29 1999-01-12 Michael Haysom Bianchi Automatic tracking camera control system
KR960028217A (en) * 1994-12-22 1996-07-22 엘리 웨이스 Motion Detection Camera System and Method
JP3268953B2 (en) * 1995-02-27 2002-03-25 三洋電機株式会社 Tracking area setting device, motion vector detection circuit, and subject tracking device using the same
JP3892059B2 (en) * 1995-03-07 2007-03-14 松下電器産業株式会社 Moving body tracking device
US5953055A (en) * 1996-08-08 1999-09-14 Ncr Corporation System and method for detecting and analyzing a queue
US5731832A (en) * 1996-11-05 1998-03-24 Prescient Systems Apparatus and method for detecting motion in a video signal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100334598C (en) * 2002-11-26 2007-08-29 东芝照明技术株式会社 Market plan support system
US8964050B2 (en) 2007-12-13 2015-02-24 Canon Kabushiki Kaisha Image capturing apparatus, control method therefor, and program
CN102348105A (en) * 2010-07-29 2012-02-08 正文科技股份有限公司 Digital image supervising device
CN108353149A (en) * 2015-10-26 2018-07-31 李炯勇 CCTV sorts monitoring system CCTV and sorts monitoring management server and management method automatically automatically
CN108353149B (en) * 2015-10-26 2020-10-13 李炯勇 CCTV automatic sorting monitoring system, CCTV automatic sorting monitoring management method and medium

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JP2003523647A (en) 2003-08-05
AU3305300A (en) 2000-10-04
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