KR20020003984A - CCTV on network - Google Patents
CCTV on network Download PDFInfo
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- KR20020003984A KR20020003984A KR1020000036242A KR20000036242A KR20020003984A KR 20020003984 A KR20020003984 A KR 20020003984A KR 1020000036242 A KR1020000036242 A KR 1020000036242A KR 20000036242 A KR20000036242 A KR 20000036242A KR 20020003984 A KR20020003984 A KR 20020003984A
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- image
- communication
- closed circuit
- controller
- digital
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
- H04N1/001—Systems or arrangements for the transmission of the picture signal specially adapted for transmission via digital wireline networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
본원발명은 폐쇄회로의 영상을 디지털로 변환하여 효율적으로 관리 및 사용하기 위한 방법에 관한 것이다.The present invention relates to a method for efficiently managing and using a digital image of a closed circuit.
센서를 통해 감시지역에 있는 물체의 움직임을 감지하여 특정한 사건이 발생했을 때만 카메라가 영상을 수신하도록 하고,The sensor detects the movement of objects in the surveillance area so that the camera receives the video only when a specific event occurs.
수신된 영상을 디지털로 변환하고, 디지털 영상데이터에 시간값을 첨부하고, 디지털 영상데이터를 통신유닛(240)을 통해 전송하고,Convert the received image into digital, attach the time value to the digital image data, and transmit the digital image data through the communication unit 240,
통신라인을 통해 전송된 데이터를 수신하고, 사용자가 원하는 특정시간의 영상을 모니터(320)를 통해 출력하는 방법을 사용한다.A method of receiving data transmitted through a communication line and outputting an image of a specific time desired by a user through the monitor 320 is used.
Description
본원발명은 폐쇄회로의 영상을 디지털로 변환하여 효율적으로 관리 및 사용하기 위한 방법에 관한 것이다.The present invention relates to a method for efficiently managing and using a digital image of a closed circuit.
종래의 폐쇄회로를 통해 특정영상을 수신하는 방법은 녹화테이프를 주기적으로 교환하여야 했으며 또한 특정지역의 영상을 24시간 녹화하거나 또는 특정 시간대별로 녹화를 하여야 했다.In the conventional method of receiving a specific image through a closed circuit, the recording tape had to be periodically replaced, and also a recording of a specific region's image was performed 24 hours or a specific time zone.
이러한 종래의 방법들은 감시하고자 하는 특정지역에 특정한 사건이 발생하지 않아도 정해진 시간대에 녹화를 하여 불필요한 녹화를 하는 단점이 있었다.These conventional methods have a disadvantage in that unnecessary recording is performed by recording at a predetermined time even when a specific event does not occur in a specific region to be monitored.
또한 이러한 작업을 위해서는 수동으로 조작하여야 했고 보관상의 유지비가 많이 소요되며 항상 시스템을 감시하기 위한 인력이 필요하였다.In addition, this operation required manual operation, high maintenance costs, and manpower to monitor the system at all times.
또한 특별한 변동 사항이 발생하였을 경우, 시간대 별 녹화 테이프를 찾아야 하는 불편함으로 인해 시간적, 금전적인 손실 및 작업의 효율성이 저하되었다.In addition, in the event of special changes, the inconvenience of finding a time-dependent recording tape reduced time and money, and reduced work efficiency.
또한 원격지에서 자유롭게 특정지역의 영상을 수신하는데 어려움이 있었다.In addition, it was difficult to receive images of a specific area freely from a remote site.
본원 발명은 상기와 같은 단점을 보완하기 위한 것으로, 센서를 통해 감시지역에 있는 물체의 움직임을 감지하여 특정한 사건이 발생했을 때만 카메라가 영상을 수신하도록 하고,The present invention to compensate for the above disadvantages, by detecting the movement of the object in the monitoring area through the sensor so that the camera receives the image only when a specific event occurs,
수신된 영상을 디지털로 변환하고, 디지털 영상데이터에 시간값을 첨부하고, 디지털 영상데이터를 통신유닛(240)을 통해 전송하고,Convert the received image into digital, attach the time value to the digital image data, and transmit the digital image data through the communication unit 240,
통신라인을 통해 전송된 데이터를 수신하고, 사용자가 원하는 특정시간의 영상을 모니터(320)를 통해 출력하는 방법을 사용한다.A method of receiving data transmitted through a communication line and outputting an image of a specific time desired by a user through the monitor 320 is used.
도 1. 통신기반 원격 모니터링 폐쇄회로Figure 1. Communication based remote monitoring closed circuit
도 2. 하이브리드 퍼지 웨이브렛 방법을 사용한 영상압축방법Figure 2. Image compression method using hybrid fuzzy wavelet method
본원발명를 도 1과 함께 상세히 설명하면 다음과 같다.The present invention will be described in detail with reference to FIG. 1 as follows.
본원발명은 크게 카메라부(100), 제어부(200) 그리고 원격제어부(300)으로 나누어진다.The present invention is largely divided into a camera unit 100, a control unit 200 and a remote control unit 300.
카메라부(100)는 물체의 움직임을 감지하는 센서(130)와, 자동으로 줌인과 줌아웃을 통해 물체의 위치를 포작하는 렌즈(110)와, 상기 렌즈(110)가 부착된 카메라(120)로 구성된다.The camera unit 100 includes a sensor 130 for detecting the movement of an object, a lens 110 for automatically capturing the position of the object through zoom in and zoom out, and a camera 120 to which the lens 110 is attached. It is composed.
제어부(200)는 상기 영상신호를 디지털로 변환하는 디지털변환기(250), 디지털 영상테이터에 시간값을 첨부하고, 센서(130)와 렌즈(110) 등을 컨트롤하는 제어기(210), 시간값이 첨부된 영상신호를 저장하는 데이터베이스(230), 데이터베이스에(230)에 저장된 데이터를 통신라인을 통해 전송하는 통신유닛(240) 그리고 모니터(220)로 구성된다.The control unit 200 attaches a time value to the digital converter 250 for converting the image signal to digital, the digital image data, the controller 210 for controlling the sensor 130 and the lens 110, and the time value. The database 230 stores an attached video signal, a communication unit 240 for transmitting data stored in the database 230 through a communication line, and a monitor 220.
원격제어부(300)은 통신유닛(240)으로부터 전송된 데이터를 수신하는 원격통신유닛(340), 수신된 영상을 저장하는 원격데이터베이스(330), 영상을 출력하는 모니터(320), 그래픽 유저 인터페이스 기반에서 특정영상을 모니터로 전달하고 제어부(200)을 컨트롤하는 원격제어기(310)으로 구성된다.The remote controller 300 includes a remote communication unit 340 for receiving data transmitted from the communication unit 240, a remote database 330 for storing the received image, a monitor 320 for outputting the image, and a graphic user interface based on the remote control unit 340. Is configured as a remote controller 310 to transmit a specific image to the monitor and to control the control unit 200.
상기와 같은 구성으로 이루어진 본원 발명이 작동되는 방법을 설명하면 다음과 같다.Referring to the method of operating the present invention made of the configuration as described above are as follows.
초음파나 적외선 등을 사용하여 물체의 움직임을 파악하는 센서(130)를 카메라(120)가 감시하려는 지역에 설치한다. 감시하려는 지역에서 특정한 물체의 움직임이 발행하면 센서(130)가 이를 감지하여 제어기(210)에 전달하고 제어기(210)는 상기 감지신호를 받아 카메라(120)가 영상을 수신하도록 작동시킨다.The sensor 130, which detects the movement of an object using ultrasonic waves or infrared rays, is installed in an area to be monitored by the camera 120. When the movement of a specific object occurs in the area to be monitored, the sensor 130 detects this and transmits it to the controller 210. The controller 210 receives the detection signal and operates the camera 120 to receive an image.
이러한 방법은 특정지역에서 특정한 물체의 움직임이 있을 경우에만 카메라를 작동시킴으로써 특정지역에 특정한 사건이 발생하지 않았을 때에는 카메라가 작동하지 않음으로써 불필요한 영상의 발생을 줄이는 역활을 한다.This method operates the camera only when there is a movement of a certain object in a specific area, thereby reducing the occurrence of unnecessary images by not operating the camera when a specific event does not occur in a specific area.
또한 카메라에 부착된 렌즈(110)는 자동으로 줌인(zoom in)과 줌아웃(zoom out)를 하여 영상의 정확한 위치를 포작할 수 있게 한다. 카메라의 줌인과 줌아웃의 역활또한 제어기(210)에서 담당한다. 또한 제어기(210)는 카메라에서 들어온 영상에 대한 변화를 감시하여 여기에 적합한 제어가 자동적으로 이루어지게 하는 역활도 한다.In addition, the lens 110 attached to the camera automatically zooms in and zooms out so that the correct position of the image can be captured. The role of the zoom in and zoom out of the camera is also handled by the controller 210. In addition, the controller 210 monitors the change in the image coming from the camera and serves to automatically control appropriate to it.
이렇게 수신된 영상은 디지털변환기(250)를 통해 아날로그 영상신호를 디지털로 변환시킨다.The received image converts the analog image signal to digital through the digital converter 250.
디지털로 변환된 영상신호는 데이터베이스(230)에 저장된다.The digitally converted video signal is stored in the database 230.
또한 디지털로 변환된 영상신호는 통신유닛(240)에서 인터넷 등의 통신라인을 통해 원격제어부(300)으로 전송된다.In addition, the digital image signal is transmitted from the communication unit 240 to the remote control unit 300 through a communication line such as the Internet.
이때 영상데이터를 실시간 압축 및 전송을 위하여 또한 H.263의 변형인 하이브리드 퍼지 웨이브렛 압축방법을 사용하는데, 이는 큰 데이타량을 적은 데이터로 변환을 한 후 낮은 비트율(Low Bit-Rate)를 가지는 통신 선로 즉 64Kbps 이하에서 동영상을 압축하기 하기 위한 알고리즘이다.In this case, the hybrid fuzzy wavelet compression method, which is a variation of H.263, is used for real-time compression and transmission of image data, which has a low bit-rate communication after converting a large amount of data into small data. It is an algorithm for compressing video on a line, 64Kbps or less.
하이브리드 퍼지 알고리즘을 이용하여 데이터 량을 줄이고, 이것은 움직임 추정(ME),움직임 보상(MC)을 이용하여 시간 방향의 중복성을 제거하고 변형코딩(Transform coding)을 이용하여 공간 방향의 중복성을 제거하는 복합적인 방법으로 영상을 압축한다.It reduces the amount of data by using the hybrid fuzzy algorithm, which uses the motion estimation (ME) and the motion compensation (MC) to remove the redundancy in the time direction and the transform coding to remove the redundancy in the spatial direction. Compress images in a conventional way.
원격제어기(310)는 영상 복원시 필요한 부분을 확대 및 고화질 영상으로 복원이 가능하도록 하고, 디지털 CCD 카메라가 감시를 하고 있는 동안 변화가 발생하면 자동 저장을 할 수 있도록 제어기에(210)에 신호를 보내고 또한 사용자가 원하는 시간대에 자동 저장을 할 수 있도록 기능부여 및 제어를 한다.The remote controller 310 is capable of reconstructing the necessary portion when restoring the image to a high-definition image, and sends a signal to the controller 210 to automatically save if a change occurs while the digital CCD camera is monitoring. It also gives the user the ability to save and auto save at any time.
이때 원격제어기(310)는 그래픽 유저 인터페이스기반으로 작동되어 사용자가 보다 편리하게 시스템을 컨트롤 할 수 있게 하여준다.At this time, the remote controller 310 is operated based on the graphical user interface to allow the user to control the system more conveniently.
상기과 같은 구성및 방법으로 이루어진 본원발명은 원격지에서 특정지역을감시하는 것이 가능하고, 감시하는 지역에 변화가 발생하면 자동으로 저장및 송신이 되므로 영상을 모니터링하기위한 감시자가 없어도 되며, 감시한 영상에 대한 자동 저장 특정시간대의 영상을 쉽게 찾을 수 있는 장점이 있다.The present invention composed of the above-described configuration and method is capable of monitoring a specific area from a remote location, and if a change occurs in the monitored area, it is automatically stored and transmitted, so there is no need for a monitor to monitor the image. Auto save for a certain time, it is easy to find the image.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000036242A KR20020003984A (en) | 2000-06-28 | 2000-06-28 | CCTV on network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000036242A KR20020003984A (en) | 2000-06-28 | 2000-06-28 | CCTV on network |
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| Publication Number | Publication Date |
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| KR20020003984A true KR20020003984A (en) | 2002-01-16 |
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| KR1020000036242A Ceased KR20020003984A (en) | 2000-06-28 | 2000-06-28 | CCTV on network |
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Cited By (4)
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| KR100447955B1 (en) * | 2001-11-19 | 2004-09-13 | 모빌토크(주) | Digital video recording system using terminal |
| KR100478855B1 (en) * | 2002-08-16 | 2005-03-24 | 한국항공우주산업 주식회사 | Remote Picture System Having Auto Zoom-IN/OUT and Focus Function |
| KR100783561B1 (en) * | 2006-07-04 | 2007-12-07 | (주)아이디스 | How to configure setup screens for digital video recorders, digital video recorder systems, and devices |
| KR101017155B1 (en) * | 2004-01-27 | 2011-02-25 | 엘지전자 주식회사 | How to record and play DV system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100447955B1 (en) * | 2001-11-19 | 2004-09-13 | 모빌토크(주) | Digital video recording system using terminal |
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| KR101017155B1 (en) * | 2004-01-27 | 2011-02-25 | 엘지전자 주식회사 | How to record and play DV system |
| KR100783561B1 (en) * | 2006-07-04 | 2007-12-07 | (주)아이디스 | How to configure setup screens for digital video recorders, digital video recorder systems, and devices |
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