WO2010143788A1 - Système de surveillance utilisant deux caméras et procédé associé - Google Patents

Système de surveillance utilisant deux caméras et procédé associé Download PDF

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Publication number
WO2010143788A1
WO2010143788A1 PCT/KR2009/006162 KR2009006162W WO2010143788A1 WO 2010143788 A1 WO2010143788 A1 WO 2010143788A1 KR 2009006162 W KR2009006162 W KR 2009006162W WO 2010143788 A1 WO2010143788 A1 WO 2010143788A1
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WO
WIPO (PCT)
Prior art keywords
camera
image
screen
zoom
rotation
Prior art date
Application number
PCT/KR2009/006162
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English (en)
Korean (ko)
Inventor
김두현
조기호
전동운
윤해성
Original Assignee
건국대학교 산학협력단
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.)
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Publication date
Application filed by 건국대학교 산학협력단 filed Critical 건국대학교 산학협력단
Publication of WO2010143788A1 publication Critical patent/WO2010143788A1/fr

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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
    • 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
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • 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
    • H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture

Definitions

  • the present invention relates to an effective monitoring system for informing a user of information (images) obtained by using two cameras simultaneously, and a method thereof and a computer-readable recording medium having recorded thereon a program for realizing the method.
  • an effective monitoring system for enlarging and showing a specific portion received, and a method and a computer-readable recording medium recording a program for realizing the method.
  • the present invention is derived from the research conducted as part of the development and support project of the University IT Research Center of the Ministry of Knowledge Economy and the Korea Institute of Information and Telecommunications Research and Development.
  • Recent cameras have been added to the data communication function, and connected to the computing equipment, such as a personal computer (PC) has become possible for a variety of applications.
  • PC personal computer
  • the monitoring systems disclosed in the above patents are systems that use a camera and a monitoring device (PC) for surveillance monitoring, and are techniques used when there is a risk of crime or when protective surveillance is required.
  • PC monitoring device
  • the prior art as described above is not suitable for small equipment such as an unmanned vehicle or an unmanned aerial vehicle, which is difficult to operate a camera when a sudden situation requiring a quick and quick user response is difficult, and a large space is difficult. Since the image of a specific camera is not applied to other camera operations (that is, because each camera operates independently), there is a problem that effective monitoring between each camera is difficult, and to solve such a problem is an object of the present invention.
  • the present invention can be read by a computer recording a monitoring system for displaying the entire surrounding image and the enlarged image of the selected specific part to a user who needs to be concerned about the surrounding situation and the specific target at the same time.
  • the purpose is to provide a recording medium that can be used.
  • the present invention provides a computer-readable recording system that records a monitoring system and its method and a program for realizing the method, while simultaneously ensuring a wide viewing angle with a simple operation and only two cameras, and at the same time confirming a partial enlarged image.
  • the purpose is to provide a medium.
  • one of the two cameras installed in a vehicle or an airplane, or at a predetermined position one wide-angle camera shows an image of the surrounding situation with a wide angle of view
  • the other zoom camera is one of the images shown by the wide-angle camera. It is an object of the present invention to provide a monitoring system for enlarging and showing a specific part selected by a user, a method thereof, and a computer-readable recording medium recording a program for realizing the method.
  • a system of the present invention for achieving the above object comprising: a first camera for acquiring an image of a wide field of view; Input means for receiving a magnification command for a specific portion of an image acquired by the first camera from a user; A second camera that is zoomed, rotates up, down, left, and right, receives an enlarged command for a specific portion of the image acquired by the first camera from a monitoring means, acquires an image of a corresponding specific area, and transmits the image to the monitoring means; ; And outputs images received from the first and second cameras, receives a magnification command for a specific portion of the image obtained by the first camera through the input means, and converts the image into a rotation command value (rotation coordinate value). Said monitoring means for commanding said second camera.
  • the method of the present invention for achieving the above object, in the monitoring method, performing the initialization and synchronization of the wide-angle camera and the zoom camera; Outputting an image from the wide-angle camera to a first screen and outputting an image from the zoom camera to a second screen; Converting a coordinate value of the specific area into a rotation command value (rotational coordinate value) of the zoom camera when the magnification command for the specific area of the first screen is input, and transmitting the converted command value to the zoom camera; And converting, by the zoom camera, up, down, left, and right directions in a corresponding rotation direction according to a rotation command value (rotation coordinate value) and receiving an enlarged image obtained by performing a zoom operation from the zoom camera and outputting the enlarged image to the second screen. It includes.
  • the dual camera monitoring system having a processor, performing the initialization and synchronization of the wide-angle camera and zoom camera; Outputting an image from the wide-angle camera to a first screen and outputting an image from the zoom camera to a second screen; Converting a coordinate value of the specific area into a rotation command value (rotational coordinate value) of the zoom camera when the magnification command for the specific area of the first screen is input, and transmitting the converted command value to the zoom camera; And converting, by the zoom camera, up, down, left, and right directions in a corresponding rotation direction according to a rotation command value (rotation coordinate value) and receiving an enlarged image obtained by performing a zoom operation from the zoom camera and outputting the enlarged image to the second screen.
  • a computer readable recording medium having recorded thereon a program is provided.
  • the present invention may show the entire surrounding image and the enlarged image of the selected specific portion to the user who should be interested in the surrounding situation and the specific target at the same time.
  • the present invention ensures a wide viewing angle with a simple operation and only two cameras, and at the same time can check the partial magnified image.
  • FIG. 1 is an overall configuration diagram of a dual camera monitoring system according to an embodiment of the present invention
  • FIG. 2 is a view for explaining the configuration and function of a wide-angle camera and a zoom camera according to an embodiment of the present invention
  • PC monitoring device
  • FIG. 4 is a diagram illustrating a screen configuration and a user input method of outputting a captured image according to an exemplary embodiment
  • FIG. 5 is a view for explaining a method of aligning a screen area between cameras according to an embodiment of the present invention
  • FIG. 6 is a flowchart illustrating a monitoring method using a dual camera according to an embodiment of the present invention
  • FIG. 7 is a view for explaining a service scenario from the user's point of view according to an embodiment of the present invention.
  • monitoring device 171 first screen
  • FIG. 1 is an overall configuration of a dual camera monitoring system according to an embodiment of the present invention.
  • a dual camera monitoring system may include a fixed wide-angle camera 110 for acquiring an image having a wide angle of view (wide angle of view), a zoom function, and vertical, horizontal, horizontal rotation.
  • the zoom camera 120 receives the magnification command for a specific portion of the image acquired by the wide-angle camera 110 from the monitoring device 170, and obtains an image of a corresponding narrow specific area.
  • the camera 110 is connected to the zoom camera 120 and the wired / wireless network 130 to show a user the image received from the wide angle camera 110 and the zoom camera 120 to the user.
  • the monitoring device 170 receives the magnification command for a specific part of the image from the wide-angle camera 110 output on the first screen 171 through the input device (mouse, touch screen).
  • the coordinate value of the area is converted into the rotation command value (rotation coordinate value) of the zoom camera 120 to transmit the converted rotation command value (rotation coordinate value) to the zoom camera 120, and the zoom camera 120 rotates the rotation command value.
  • the value (rotational coordinate value) the direction of the up, down, left and right is changed in the corresponding rotation direction, and the magnified image obtained by performing the zoom operation is received and output through the second screen 172.
  • the monitoring device 170 outputs an image of a wide angle of view received from the wide-angle camera 110 on the first screen 171 (implemented as a touch screen), and receives a specific portion received from the zoom camera 120.
  • the enlarged image is output to the second screen 172.
  • the role and function of the monitoring device 170 will be described later in detail with reference to FIG. 3.
  • the wide-angle camera 110 acquires a wide view angle image and transmits it to the monitoring device 170 through the wired / wireless network 130
  • the zoom camera 120 acquires the image obtained from the wide-angle camera 110.
  • a magnification command for a specific portion of the signal is received from the monitoring device 170 to obtain an image of a corresponding narrow specific area and transmits the image to the monitoring device 170 through the wired / wireless network 130.
  • the wide-angle camera 110 and the zoom camera 120 capable of network connection are connected to the monitoring device 170 through the wired / wireless network 130.
  • the wide angle camera 110 and the zoom camera 120 will be described later in detail with reference to FIG. 2.
  • the user may manipulate the operation of the zoom camera 120 only by selecting a specific portion of the image acquired and output from the wide-angle camera 110 (eg, touching a specific image portion in the case of a touch screen). .
  • a touch screen for supporting a user to obtain information through the image obtained and output from the wide-angle camera 110 to quickly give the zoom camera 120 an enlargement command for a specific portion ( 160) and an input interface.
  • the rotation values of the X-axis and Y-axis for image movement are matched to the pixels of the first screen 171 (see FIG. 5 to be described later), and the user selects a pixel by using a mouse click or a touch screen touch. Will be input.
  • FIG. 2 is a view for explaining the configuration and function of the wide-angle camera and zoom camera according to an embodiment of the present invention.
  • the wide-angle camera 110 of the fixed field of view (fixed wide-angle) is impossible to rotate, it is a camera capable of real-time high-resolution images of a wide area with a wide view angle.
  • the zoom camera 120 can rotate up, down, left and right, has a zoom function, and is a camera capable of capturing images of a narrow area in real time with high quality.
  • the zoom camera 120 may zoom in on a distant object by using the zoom function. This means that narrow areas can be shot at high resolution.
  • the two cameras can capture a high quality image in real time.
  • the image data input and output through the wired and wireless network connection is possible, it is possible to control the two cameras (wide-angle camera, zoom camera) through the wired and wireless network (130).
  • the zoom camera 120 is installed within 1 m around the wide-angle camera 110. At this time, if the operation and the field of view of the zoom camera 120 is not disturbed, the distance between the two cameras is installed as close as possible.
  • PC monitoring device
  • the wide-angle camera 110 and the zoom camera 120 is turned on to start the operation, immediately following the initialization and synchronization of the wide-angle camera 110 and zoom camera 120 Is performed.
  • the rotation value for screen synchronization is stored (see FIG. 5 to be described later).
  • the monitoring device 170 serves to connect the user and the computer and the role of the central processing unit.
  • the monitoring device 170 is connected to the wide-angle camera 110 and the zoom camera 120 through the wired / wireless network 130 and through the wired / wireless network 130 for the two cameras (wide-angle camera, zoom camera). Perform control.
  • the monitoring apparatus 170 decodes the corresponding image data to display the real time on the first screen 171.
  • the image data is decoded and output to the second screen 172 in real time.
  • the monitoring device 170 controls the output of the images from the wide-angle camera 110 and the zoom camera 120 and simultaneously clicks a user's mouse on a magnification command for a specific portion of the image output on the first screen 171.
  • the coordinate value of the area selected by the user is converted into the rotation command value (rotation coordinate value) of the zoom camera 120 and the converted rotation command value (rotation) to the zoom camera 120. Coordinate value) is immediately transmitted through the wired / wireless network 130.
  • the zoom camera 120 immediately performs the vertical, vertical, and horizontal direction switching in the corresponding rotation direction according to the rotation command value (rotation coordinate value), and performs a zooming operation to obtain an enlarged image of the specific area and monitor the device (
  • the monitoring device 170 decodes a specific area enlarged image from the zoom camera 120 and outputs the image in real time through the second screen 172.
  • FIG. 4 is a diagram illustrating a screen configuration and a user input method of outputting a captured image according to an exemplary embodiment.
  • the first screen 171 receives a wide view angle image from the wide-angle camera 110 through the wired / wireless network 130 and decodes the corresponding image data in real time. This is the area to output.
  • the first screen 171 is implemented as a touch screen.
  • the second screen 172 is an area in which the monitoring device 170 receives an enlarged image from the zoom camera 120 through the wired / wireless network 130 and decodes the corresponding image data in real time.
  • the user may select a specific region corresponding to the enlarged image or the enlarged image having a different angle from among the images output on the first screen 171.
  • the user's selection is input through a mouse click or a touch on the touch screen.
  • the user selection may be input only through an area of the first screen 171.
  • FIG. 5 is a diagram for describing a method of aligning (ie, synchronizing) screen regions between cameras according to an exemplary embodiment.
  • reference numeral 500 denotes a center area of the first screen 171
  • reference numeral 501 denotes an upper left area of the first screen 171
  • reference numeral 502. Indicates a right bottom area of the first screen 171.
  • the camera synchronization process is a necessary process when the user first operates the monitoring system according to the present invention, and once set, the value can be stored (remembered) and used continuously.
  • the first screen 171 since the first screen 171 outputs an image from the wide-angle camera 110, the first screen 171 shows a wide area, and the second screen 172 outputs an image from the zoom camera 120. A narrow area captured by the zoom function is shown, and accordingly, the output image of the second screen 172 may be assumed to be a part of the output image of the first screen 171. Through this assumption, the screen is synchronized according to the following procedure.
  • Y 1 -Y 0 get Y axis rotation value.
  • the vertical and horizontal rotation values of the X and Y axes of the zoom camera 120 in the image area of the first screen 171 may be obtained.
  • the rotation values of the X-axis and the Y-axis for image movement from the end of the first screen 171 to the end can be known.
  • the obtained rotation value is matched with each pixel of the first screen 171 and used to convert the user input into the rotation value.
  • FIG. 6 is a flowchart illustrating a monitoring method using a dual camera according to an embodiment of the present invention.
  • the wide-angle camera 110 and the zoom camera 120 is turned on to start the operation (602), immediately following the wide-angle camera 110 and zoom camera 120 Initialization and synchronization are performed (603).
  • image data from the wide-angle camera 110 and the zoom camera 120 is output in real time through the first and second screens as described above with reference to FIG. 4 (604).
  • the coordinate value of the selected area is zoomed in the monitoring system.
  • the rotation command value (rotation coordinate value) is converted to the rotation command value (rotation coordinate value) of the control unit 606, and the converted rotation command value (rotation coordinate value) is transmitted to the zoom camera 120 (607).
  • a command value for controlling the zoom function may be further included and transmitted together.
  • the zoom function of the zoom camera 120 may be implemented as a default value.
  • the zoom camera 120 immediately performs the vertical, vertical, and horizontal direction switching in the corresponding rotation direction according to the rotation command value (rotation coordinate value), and after performing the zoom operation (608), acquires an image and transmits it to the monitoring device 170.
  • the monitoring apparatus 170 outputs a corresponding enlarged image through the second screen.
  • the above-described "604" to "609” process may be repeated repeatedly, and image data from the wide-angle camera 110 and the zoom camera 120 is always transferred to the monitoring device 170 in real time even during all processes. It is delivered and displayed on the screen at the same time.
  • FIG. 7 is a view for explaining a service scenario from the user's point of view according to an embodiment of the present invention.
  • the user drives the monitoring device 170 (701) and drives the monitoring system (702).
  • the user proceeds with the synchronization of the monitoring system. That is, in order to capture the upper left and lower right corners of the first screen area in which the image from the wide-angle camera 110 is output by the zoom camera 120, the zoom camera 120 is operated to the left of the first screen area. Synchronize to save the rotation coordinate values for the upper right and lower right corners.
  • the user immediately starts the monitoring operation.
  • the method of the present invention as described above can be written in a computer program. And the code and code segments constituting the program can be easily inferred by a computer programmer in the art.
  • the written program is stored in a computer-readable recording medium (information storage medium), and read and executed by a computer to implement the method of the present invention.
  • the recording medium may include any type of computer readable recording medium.
  • the present invention can be used for monitoring systems and the like.

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  • Signal Processing (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Studio Devices (AREA)

Abstract

L'invention concerne un système de surveillance utilisant deux caméras, un procédé associé, et un support d'enregistrement lisible par ordinateur permettant l'enregistrement d'un programme qui met en œuvre le procédé. L'invention concerne par ailleurs un système de surveillance, un procédé associé, et un support d'enregistrement lisible par ordinateur permettant l'enregistrement d'un programme qui met en œuvre le procédé, le système de surveillance étant susceptible d'afficher à un utilisateur, intéressé à la fois par des circonstances périphériques et une certaine cible, une image périphérique complète et une image agrandie associée à une certaine partie cible. À cette fin, un système de surveillance à deux caméras selon l'invention comprend : une première caméra conçue pour obtenir une image d'un angle optique ; un moyen d'entrée conçu pour recevoir de l'utilisateur une commande d'agrandissement d'une partie particulière de l'image obtenue par la première caméra ; une seconde caméra conçue pour réaliser une opération de zoom, effectuer une rotation horizontale et verticale, obtenir une image de la région particulière correspondante en recevant d'un moyen de surveillance la commande d'agrandissement de la partie particulière de l'image obtenue par la première caméra, et transférer l'image obtenue au moyen de surveillance ; et le moyen de surveillance proprement dit conçu pour produire les images transférées des première et seconde caméras et convertir la commande reçue en une valeur de commande de rotation (valeur de coordonnées de rotation) en recevant par l'intermédiaire du moyen d'entrée la commande d'agrandissement de la partie particulière de l'image obtenue par la première caméra afin de transmettre une commande à la seconde caméra.
PCT/KR2009/006162 2009-06-10 2009-10-23 Système de surveillance utilisant deux caméras et procédé associé WO2010143788A1 (fr)

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KR1020090051497A KR20100132739A (ko) 2009-06-10 2009-06-10 듀얼 카메라를 이용한 모니터링 시스템 및 그 방법
KR10-2009-0051497 2009-06-10

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Cited By (5)

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CN103929613A (zh) * 2013-01-11 2014-07-16 深圳市灵动飞扬科技有限公司 一种三维立体鸟瞰行车辅助的方法、装置以及系统
WO2021037286A1 (fr) * 2019-08-29 2021-03-04 深圳市道通智能航空技术有限公司 Procédé, appareil et dispositif de traitement d'image et support de de stockage
CN112956182A (zh) * 2020-01-08 2021-06-11 深圳市大疆创新科技有限公司 相机控制方法、设备及计算机可读存储介质
WO2024047374A1 (fr) * 2022-08-29 2024-03-07 Sayedahmad Mohammad Appareil de prise de vues de surveillance pour protection
US12126938B2 (en) 2019-08-29 2024-10-22 Autel Robotics Co., Ltd. Image processing method and apparatus, device and storage medium

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KR101400917B1 (ko) * 2013-06-19 2014-05-28 (주)에스디시스템 듀얼카메라가 구비된 차량용 사고기록장치
US10194089B2 (en) * 2016-02-08 2019-01-29 Qualcomm Incorporated Systems and methods for implementing seamless zoom function using multiple cameras
KR102424984B1 (ko) 2017-12-21 2022-07-25 삼성전자주식회사 복수 개의 카메라를 포함하는 전자 장치 및 그 동작 방법
US11671704B2 (en) 2020-11-13 2023-06-06 Samsung Electronics Co., Ltd. Electronic device including a plurality of image sensors and method for thereof
KR20220065562A (ko) * 2020-11-13 2022-05-20 삼성전자주식회사 복수의 이미지 센서들을 포함하는 전자 장치 및 그 동작 방법

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JP2005117343A (ja) * 2003-10-07 2005-04-28 Victor Co Of Japan Ltd 監視システム

Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN103929613A (zh) * 2013-01-11 2014-07-16 深圳市灵动飞扬科技有限公司 一种三维立体鸟瞰行车辅助的方法、装置以及系统
WO2021037286A1 (fr) * 2019-08-29 2021-03-04 深圳市道通智能航空技术有限公司 Procédé, appareil et dispositif de traitement d'image et support de de stockage
US12126938B2 (en) 2019-08-29 2024-10-22 Autel Robotics Co., Ltd. Image processing method and apparatus, device and storage medium
CN112956182A (zh) * 2020-01-08 2021-06-11 深圳市大疆创新科技有限公司 相机控制方法、设备及计算机可读存储介质
WO2024047374A1 (fr) * 2022-08-29 2024-03-07 Sayedahmad Mohammad Appareil de prise de vues de surveillance pour protection

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