WO2015190639A1 - 동영상 출력이 가능한 감시 카메라 및 이 감시 카메라를 포함하는 동영상 송수신 시스템 - Google Patents
동영상 출력이 가능한 감시 카메라 및 이 감시 카메라를 포함하는 동영상 송수신 시스템 Download PDFInfo
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- WO2015190639A1 WO2015190639A1 PCT/KR2014/005995 KR2014005995W WO2015190639A1 WO 2015190639 A1 WO2015190639 A1 WO 2015190639A1 KR 2014005995 W KR2014005995 W KR 2014005995W WO 2015190639 A1 WO2015190639 A1 WO 2015190639A1
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- Prior art keywords
- surveillance camera
- data
- external device
- video
- network packet
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Classifications
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- 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
- G08B13/19654—Details concerning communication with a camera
- G08B13/19656—Network used to communicate with a camera, e.g. WAN, LAN, Internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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- 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
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
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- 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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- 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
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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
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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- 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
- G08B13/19697—Arrangements wherein non-video detectors generate an alarm themselves
Definitions
- the present invention relates to a surveillance camera capable of outputting video and a video transmission / reception system including the surveillance camera.
- a camera and a video transmission / reception system including the surveillance camera are provided.
- CCTV Closed Circuit TeleVision
- CCTV is a system that allows the captured image from the surveillance camera to be transmitted to the surveillance server, including the surveillance camera and surveillance server.
- CCTV can be applied in various fields such as industrial, home, traffic monitoring and disaster prevention.
- the applicable field of CCTV is expanding, it is widely used in homes. For example, it is widely used for monitoring infants, seniors or pets in houses where infants, seniors or pets live.
- the remote parents or guardians can use a mobile phone to monitor the infant, the elderly or the pet through video and check whether there is an abnormal situation.
- infants and senior citizens living in homes need to see their parents or children by being connected to parents or children who can access CCTV for psychological stability or frequent contact. In other words, it is necessary to send and receive video in both directions instead of receiving video in one direction. If the surveillance camera is capable of two-way video transmission and reception, the infant in the house may provide parental identification and psychological stability, and the parent may have frequent contact with the child.
- a surveillance camera only transmit video of analog or digital signals to the surveillance server. If a surveillance camera is installed in a house, providing various additional functions may provide various benefits. For example, when a surveillance camera is installed in a house, the surveillance camera needs to automatically check whether there is an external intrusion or an abnormal situation of a monitoring target, and transmit it to the surveillance server.
- the existing video transmission and reception uses a mobile communication network provided by a mobile communication provider or through an internet network.
- a mobile communication network the cost increases, and in the case of using the Internet network, it is necessary to limit the apparatus for transmitting / receiving a video of a surveillance camera. In other words, everyone should not be able to access a particular surveillance camera.
- the present invention has been made to solve the above-mentioned problems, and a surveillance camera capable of transmitting and receiving a video between a surveillance camera and an external device connected to the Internet network, and capable of displaying a received video on the surveillance camera, and a surveillance camera capable of outputting the same It is an object of the present invention to provide a video transmission and reception system including a surveillance camera.
- Another object of the present invention is to provide a surveillance camera capable of outputting a video to detect an abnormal situation such as an external intrusion in a house, and to report when an abnormal situation is detected, and a video transmitting / receiving system including the surveillance camera. have.
- the present invention provides a video surveillance camera that can output a video to a plurality of external devices to send and receive a video recorded by the surveillance camera to allow multiple users to share the video from the surveillance camera and to display a video of a specific user to the surveillance camera and
- An object of the present invention is to provide a video transmission / reception system including the surveillance camera.
- Another object of the present invention is to provide a surveillance camera capable of outputting a video such that only a limited user can access the surveillance video and a video transmission / reception system including the surveillance camera.
- Surveillance camera capable of outputting the video to achieve the above object is a communication unit for transmitting and receiving a network packet through the Internet network, a display unit for outputting a video generated based on the received network packet and outputs the data of the network packet to the display unit And a control unit for converting the video data to be.
- the surveillance camera may further include a sensing unit including one or more sensing sensors to output a sensing signal from the sensing sensor, and the control unit may generate sensing data based on the sensing signal from the sensing unit and include the generated sensing data. Output the packet to the communication unit.
- the surveillance camera may further include an image receiver for capturing an external image of the surveillance camera, and the controller may generate video data from the image data captured by the image receiver and transmit a network packet including the generated video data to the communication unit.
- the data of the network packet of the video data is multicasting data directly transmitted through the Internet to a plurality of external devices, the external device is a surveillance camera or a portable terminal.
- the communication unit of the surveillance camera receives a network packet from an external device of a plurality of external devices through the Internet network, and the control unit converts the data of the network packet received from one external device into video data and outputs it to the display unit.
- the controller of the surveillance camera sets a communication channel with a plurality of external devices that are allowed to access the surveillance camera by using the Web Real-Time Communication (WebRTC) framework, and the controller controls the communication channel with one external device. Accordingly, data of the network packet received from a subsequent external device among the plurality of external devices is converted into video data and output to the display unit.
- WebRTC Web Real-Time Communication
- the communication unit of the surveillance camera receives the control data to be used for controlling the surveillance camera from the external device via the Internet network as a network packet, the control unit controls the image receiving unit according to the received control data.
- the video transmission and reception system for achieving the above object includes a surveillance camera and the surveillance camera is a communication unit for transmitting and receiving a network packet through the Internet network, a display unit for outputting a video generated based on the received network packet and the network packet of And a controller for converting the data into video data to be output to the display unit.
- the video transmission / reception system further includes a surveillance server connected to the surveillance camera and an external device capable of communicating with the surveillance camera, and the surveillance server arbitrates the communication channel setting between the surveillance camera and the external device.
- Network packets received directly from the device and received are network data or control data to control the surveillance camera.
- the surveillance camera capable of outputting a video according to the present invention as described above and the video transmission / reception system including the surveillance camera may transmit and receive video between the surveillance camera and an external device connected to the Internet network, and display the received video on the surveillance camera. It has the effect of making it possible.
- a surveillance camera capable of outputting a video according to the present invention as described above and a video transmission / reception system including the surveillance camera have an effect of detecting an abnormal situation such as an external intrusion in a house and reporting the abnormal situation. have.
- a surveillance camera capable of outputting a video according to the present invention as described above, and a video transmission / reception system including the surveillance camera allow multiple users to share a video from a surveillance camera by allowing a plurality of external devices to transmit and receive a video recorded by the surveillance camera. And the video of a specific user are displayed on the surveillance camera.
- a surveillance camera capable of outputting a video according to the present invention as described above and a video transmission / reception system including the surveillance camera have an effect that only a limited user can access the video of the surveillance camera.
- FIG. 1 is a diagram illustrating an exemplary block diagram of a video transmission and reception system for video transmission and reception.
- FIG. 2 shows an exemplary block diagram of a surveillance camera.
- FIG. 3 is a diagram illustrating an exemplary process for transmitting and receiving video between a surveillance camera and an external device.
- FIG. 4 is a diagram illustrating an exemplary process for controlling a surveillance camera from an external device.
- control unit 119 connection
- monitoring server 300 external device
- FIG. 1 is a diagram illustrating an exemplary block diagram of a video transmission and reception system for video transmission and reception.
- a video transmission / reception system includes one or more surveillance cameras 100, a surveillance server 200, and one or more external devices 300.
- the video transmission / reception system may further include other servers connected to the Internet network.
- the video transmission / reception system may further include a server provided for determining an authorized internet address, for example.
- the surveillance camera 100 is a camera installed in a specific space.
- the surveillance camera 100 is installed, for example, in a house, in an office, in a management facility in which many people co-exist.
- the surveillance camera 100 is mounted on a table, a desk, a shelf, etc. to be fixedly installed or movable on a wall in the space.
- the surveillance camera 100 is equipped with a display such as a liquid crystal display (LCD), a light emitting diode (LED), and the like.
- the surveillance camera 100 captures an image outside the surveillance camera 100 and generates compressed video data according to a designated format (eg, H.264, MPEG2, etc.) from the captured image.
- Compressed video data may be transmitted to the outside via the Internet.
- the compressed video data is transmitted to the monitoring server 200 or the external device 300.
- the surveillance camera 100 may receive a network packet representing video data through the Internet.
- the surveillance camera 100 may convert the payload of the received network packet into video data that can be displayed on the display by decoding according to a designated format.
- the converted video data is output through the display.
- the surveillance camera 100 according to the present invention may use a display to make a video call with the external device 300.
- the surveillance camera 100 may detect an abnormal situation in a space where various external intrusions or the surveillance camera 100 is installed and transmit a network packet indicating the detected data through the Internet network.
- the network packet of the sensed data is delivered to the monitoring server 200 or the like.
- the surveillance camera 100 will be described in detail with reference to FIGS. 2 to 4.
- the external device 300 is a device that can be connected to the surveillance server 200 and / or the surveillance camera 100 through the Internet network.
- the external device 300 may be a surveillance camera 100 according to the present invention or a portable terminal or a stationary terminal that can be connected to the Internet network.
- the portable terminal may be, for example, a mobile phone, a smart phone, a tablet PC, or the like, and the stationary terminal may be a device designed exclusively to be connected to a personal PC or the monitoring server 200.
- the external device 300 is configured to communicate with the surveillance camera 100 by arbitration with the surveillance server 200.
- the specific plurality of external devices 300 are arbitrated by the surveillance server 200 to enable a video call with the specific surveillance camera 100.
- the external device 300 transmits a network packet indicating control data requesting a video call to the monitoring server 200.
- the surveillance server 200 may determine whether the external device 300 is capable of making a video call and mediate a communication channel setting between the external device 300 and the surveillance camera 100 according to the determination. Thereafter, the external device 300 and the surveillance camera 100 may transmit and receive network packets of compressed video data directly through the Internet.
- the external device 300 is configured to control the specific surveillance camera 100 remotely under the intervention by the surveillance server 200.
- the external device 300 that is permitted to control the specific surveillance camera 100 obtains the control right for the specific surveillance camera 100 by transmitting a network packet indicating a control request to the surveillance server 200 and then monitors. Allows direct control of the camera 100.
- This control request is defined according to the promised format of the external device 300 and the surveillance server 200
- the control data for controlling the surveillance camera 100 is also a promised format between the surveillance camera 100 and the external device 300. Is defined according to The control data may control the one or more functions among various functions that can be controlled by the surveillance camera 100.
- the monitoring server 200 is a device capable of detecting an abnormal situation of the surveillance camera 100 and processing the detected abnormal situation.
- the surveillance server 200 may be connected to the plurality of surveillance cameras 100 through an internet network to receive a network packet from the surveillance camera 100.
- the received network packet is, for example, a packet representing compressed video data, sensing data, or control data requiring to perform a specific operation.
- the monitoring server 200 may notify the administrator of the reception of the sensing data through a display or an alarm. Accordingly, the administrator of the monitoring server 200 can take the necessary measures.
- the monitoring server 200 may store the compressed video data in an internal storage medium and display it on a specific display.
- the surveillance server 200 may receive a network packet of control data for requesting to perform a specific operation from the surveillance camera 100 or the external device 300.
- the received network packet contains data defined according to Web Real-Time Communication (WebRTC), for example.
- WebRTC provides a framework for performing voice, video, and control.
- the WebRTC may be mounted in the form of software in the surveillance camera 100 or the external device 300.
- WebRTC is implemented on a web browser mounted on the surveillance camera 100 or the external device 300.
- the control data may indicate at least a video call request from the surveillance camera 100 to one specific external device 300, or may indicate a request for a video call from the external device 300 to a specific one surveillance camera 100 or externally. It may indicate a remote control request for controlling one particular surveillance camera 100 from the device 300.
- the monitoring server 200 may process a specific request by using a so-called database. In response to the request, the surveillance server 200 mediates the communication channel setting between the surveillance camera 100 and the external device 300. This arbitration includes access control, disallowing, etc., and other control for establishing a direct communication channel between the surveillance camera 100 and the external device 300.
- the surveillance camera 100 directly receives the network packet from the external device 300 through the Internet network, converts (eg, decodes) the compressed video data of the received network packet, and outputs the video data to the display. do.
- the surveillance camera 100 may receive a network packet from the external device 300 through the Internet network, and the operation may be controlled according to the promised control data of the received network packet.
- the network packet refers to a packet transmitted through a network on at least a layer of an IP layer or more.
- the database of the surveillance server 200 includes a plurality of entries associated with each of the surveillance cameras 100 and is configured to create, retrieve and change these entries.
- the entry corresponds to one surveillance camera 100.
- the entry may include an identifier of the surveillance camera 100, an official Internet Protocol (IP) address of the surveillance camera 100, data of a plurality of external devices that may be connected to the surveillance camera 100, an abnormal situation history, and a history of actions when an abnormal situation occurs. It is configured to store data, such as video call history.
- IP Internet Protocol
- the identifier of the surveillance camera 100 is data that can uniquely identify each of the surveillance cameras 100 managed by the surveillance server 200.
- the identifier may be, for example, a media access control (MAC) address, a promised number or letters or a combination of number (s) and letter (s), a private (authorized) IP address, or the like.
- MAC media access control
- This identifier is extracted from the network packet representing the request and the identifier can be used to perform various processes.
- the public IP address of the surveillance camera 100 is an internet address that can be connected to the surveillance camera 100 through an internet network.
- Surveillance camera 100 can be connected to the Internet network through a router in general, it is necessary to set the public IP address accessible from the Internet network.
- the public IP address is obtained through a TRA (Traversal Using Relay NAT) server (not shown) and STUN (Session Traversal Utilities for NAT) server (not shown) used in WebRTC.
- the public IP address is obtained from the surveillance camera 100 or from the STUN server as the surveillance camera 100 connects to the STUN server. In this way, the public IP address is obtained by the surveillance server 200 directly or indirectly by the surveillance camera 100.
- the public IP address may be changed in real time according to the connection or need of the surveillance camera 100.
- the data of the plurality of external devices is data for identifying at least the external device 300 that can connect to the surveillance camera 100 of the entry and identifying the authority.
- the external device data includes the public IP of the external device 300, the identifier (s) of the surveillance camera 100 to which the external device 300 can connect, the access authority of the external device 300, and the like.
- the access right indicates whether a video call is possible and furthermore, the surveillance camera 100 can be controlled remotely.
- This public IP is also obtained through TURN server and STUN server.
- the abnormal situation history includes sensing data received from the surveillance camera 100.
- the abnormal situation history includes at least the reception time of the sensing data, the sensing data, the abnormal situation type determined from the sensing data, and the like.
- the action history at the time of an abnormal situation includes data representing the action taken on the specific sensing data.
- the video call history includes an identifier of the external device 300, a call start time, and an end time so as to identify the external device 300 where the video call is made.
- Surveillance server 200 is connected to the surveillance camera 100 and the external device 300 by using such a database, video call between the external device 300 and the surveillance camera 100 or the surveillance camera by the external device 300 Control of the (100) can be performed.
- Surveillance server 200 preferably mediates the connection of the communication channel by utilizing the authority and the like when setting the communication channel according to the request between the external device 300 and the surveillance camera 100. Thereafter, the external device 300 and the surveillance camera 100 directly transmit and receive network packets and display the received video data by the surveillance camera 100 or the external device 300 or according to the received control data. Controlled.
- the monitoring server 200 has been described as using a database, but need not be limited thereto.
- the monitoring server 200 may perform various controls by utilizing a data structure such as an entry of a database.
- the internet network connected to the surveillance server 200, the external device 300, and the surveillance camera 100 is configured to transmit and receive network packets according to IP (Internet Protocol) according to IP addresses.
- IP Internet Protocol
- FIG. 2 is a diagram illustrating an exemplary block diagram of a surveillance camera 100.
- the surveillance camera 100 includes an input unit 101, a memory 103, an output unit 105, an external interface unit 107, a detection unit 109, an image receiving unit 111, and a display unit 113. , A communication unit 115, a control unit 117, and a connection unit 119. Some of these blocks may be omitted according to configuration variations. Or other blocks may be further included in this block diagram.
- the input unit 101 is configured to receive a user input using the surveillance camera 100.
- the input unit 101 may receive an input for requesting a video call connection to a specific external device 300 from a user, for example, including a button and a touch panel.
- the input unit 101 may further include a microphone and an analog-to-digital converter (ADC) for a voice signal.
- ADC analog-to-digital converter
- the memory 103 stores various data and programs.
- Memory 103 includes, for example, volatile memory and / or non-volatile memory. Data and program codes of the memory 103 may be accessed by the controller 117.
- the output unit 105 includes an LED, a buzzer, a speaker, and the like, and outputs data received from the controller 117.
- the output unit 105 is used to inform the abnormal situation, for example, when the abnormal situation is detected.
- the output unit 105 is used to output voice data received from the external device 300 during a video call with the external device 300.
- the external interface unit 107 is an interface for interworking with an external device.
- the external interface unit 107 may interface with a device connected to RS232, a Bluetooth device, a universal serial bus (USB) device, a secure digital (SD) card, or the like.
- Video data captured by the surveillance camera 100 may be stored in an external device connected through the external interface unit 107.
- the external interface unit 107 includes necessary components according to the interface type. For example, when the external interface unit 107 includes Bluetooth, the external interface unit 107 includes a modulation and demodulation unit capable of modulating and demodulating the baseband signal and the wireless antenna used for Bluetooth.
- the detection unit 109 includes one or more detection sensors and outputs a detection signal measured by the detection sensor.
- the output detection signal is transmitted to the controller 117 as an analog or digital signal.
- the detector 109 is configured to output a detection signal from a specific sensor, including an infrared sensor, a hot wire sensor, a magnet sensor, a motion sensor, and the like.
- the image receiver 111 includes a camera lens and an image sensor.
- the image receiver 111 may focus the outside of the surveillance camera 100 on the image sensor through a camera lens and transmit an image captured by the image sensor to the controller 117.
- the image sensor may be a charge-coupled device (CCD) sensor, a complementary metal-oxide semiconductor (CMOS) sensor, or the like.
- the image receiver 111 further includes a component for controlling the camera lens and the image sensor in addition to the camera lens and the image sensor.
- a component for controlling the camera lens and the image sensor perform a function for changing an image captured through a camera lens, for example, and perform a function such as pan, tilt, zoom, and the like.
- the image receiver 111 may include a motor, for example, to change the distance between the camera lens and the image sensor and the imaging area of the camera lens.
- the image receiver 111 controls these components according to a control signal (data) received from the controller 117.
- the display unit 113 includes an LCD and an LED display, and receives a data signal representing an image from the controller 117 and displays it on the display.
- the display unit 113 is configured to output a video generated by the controller 117 and further outputs an image for receiving a user input according to the type of the input unit 101.
- the display 113 may output a video generated through a process of converting a network packet received through an internet network.
- the communication unit 115 transmits and receives a network packet through the Internet network.
- the communication unit 115 includes an interface for connecting to a local area network such as, for example, Ethernet or Wi-Fi.
- the communication unit 115 may receive a packet on the MAC layer, transmit the received packet to the controller 117, receive a packet on the MAC layer from the controller 117, and transmit the packet to the local area network.
- the communication unit 115 may transmit and receive an IP layer or a network packet of an IP layer or more by transmitting and receiving one or more packets on the MAC layer.
- the controller 117 controls each block of the surveillance camera 100.
- the control unit 117 includes an execution unit capable of executing code of a program stored in the memory 103.
- the controller 117 is an execution unit referred to as a processor, a microcomputer, a central processing unit (CPU), a micro processor unit (MPU), or the like.
- the controller 117 may further include a video codec configured with hardware logic.
- the controller 117 preferably controls other blocks using a program. Looking at some of the processes performed by the controller 117 and the corresponding controls, the controller 117 establishes a communication connection with the surveillance server 200 when the surveillance camera 100 boots up. To this end, the control unit 117 transmits and receives a request and response for establishing a communication connection with the monitoring server 200 through the communication unit 115 and sets a communication channel for transmitting and receiving data with the monitoring server 200 therefrom.
- the controller 117 may control the communication unit 115 to perform a video call with one or more external devices 300.
- the controller 117 may transmit a network packet of data indicating a video call request to the monitoring server 200 and set a communication channel with a specific external device 300 in response thereto.
- the controller 117 may receive a network packet of data indicating a video call request from the monitoring server 200 and set a communication channel with one or more external devices 300 in response thereto.
- the control unit 117 receives a network packet through the communication unit 115.
- the control unit 117 reconfigures the received network packet into a network packet on an upper layer as needed.
- the controller 117 may identify a specific communication channel from the received network packet.
- the controller 117 decodes the payload data of the packet according to the promised format and converts the data into video data. Thereafter, the controller 117 outputs a series of image data of the video data converted into the display 113 according to the interface promised with the display 113.
- the network packet including the video data is received through a communication channel established from the external device 300.
- the reconstructed packet may be, for example, a packet according to the Real-time Transport Protocol (RTP) implemented on the WebRTC framework.
- RTP Real-time Transport Protocol
- control unit 117 receives the detection signal from the detection unit 109 and generates the received detection signal as the detection data according to the format promised with the monitoring server 200.
- the generated network packet of the sensed data is output through a communication channel (connection) set to the monitoring server 200 via the communication unit 115.
- the controller 117 may determine whether the detection signal indicates an abnormal situation. For example, the controller 117 may determine an abnormal situation such as an external invasion when the detection signal from the specific detection sensor is higher than or equal to the internally designated threshold signal level. Alternatively, the controller 117 may determine an abnormal situation when the detection signal from the specific detection sensor is lower than or equal to an internally designated threshold signal level.
- the controller 117 may determine an abnormal situation when the signal level of the voice signal of the input unit 101 is equal to or greater than the threshold level. The determination of the above situation may be made according to the security mode setting according to the user input. According to the determination of the controller 117, the controller 117 may control the output unit 105 to inform the occurrence of an abnormal situation to the outside.
- control unit 117 After setting the communication channel of the external device 300 or the monitoring server 200, the control unit 117 periodically receives the image data from the image receiving unit 111, encodes the image data according to a specified format, and compresses the compressed video data. Create In addition, the controller 117 may receive a voice signal through the input unit 101, compress the received voice signal according to a designated compression format, and further include the same in the video data.
- the control unit 117 outputs the network packet including the generated video data to the communication unit 115, and the communication unit 115 transmits the network packet through the Internet network.
- This network packet is sent to the monitoring server 200 and / or one or more external devices 300 through the established communication channel. If the same video data is transmitted to the plurality of external devices 300, the data of the network packet (for example, data included in the payload of the network packet) is simultaneously transmitted to the plurality of external devices 300. Multicasting data. Accordingly, the controller 117 may transmit a video to various external devices 300 having a communication channel set up using a single network packet.
- the external device 300 may be the surveillance camera 100 or the portable terminal according to the present invention.
- the controller 117 may receive the video data compressed from one of the plurality of external devices 300 through the communication unit 115 through a communication channel set under the arbitration of the monitoring server 200 as a network packet.
- the compressed video data of the received network packet is decoded according to the promised format, and the images of the video data converted according to the decoding are sequentially output to the display 113.
- the external devices 300 connected for the video call are all devices authorized to access the surveillance camera 100 under the intervention of the surveillance server 200.
- the external device 300 and the surveillance camera 100 are configured such that a direct communication channel is established between the external device 300 and the surveillance camera 100 using the WebRTC framework. Accordingly, after the intervention of the initial surveillance server 200, the external device 300 and the surveillance camera 100 can make a video call without the control of the surveillance server 200.
- the external device 300 and the surveillance camera 100 preferably utilize a common internet network without using a mobile communication network provided by a mobile communication provider.
- Compressed video data is received from one of the external devices 300. If the external device 300 disconnects the communication channel with the surveillance camera 100, the compressed video data is received from another external device 300, and then the video data of the other external device 300 is converted through decoding. And may be output to the display unit 113.
- the control unit 117 receives a network packet indicating control data from an authorized specific external device 300 (or later, the monitoring server 200) through an established communication channel through the Internet network.
- the controller 117 may identify a function of the received control data and control one or more of each block of the surveillance camera 100 according to the identified function. For example, the controller 117 receives control data for controlling the function of the image receiver 111 and outputs a control signal to the image receiver 111 to perform a pan, tilt, and zoom function according to the control data.
- the connection unit 119 may transmit and receive data between blocks.
- the connection unit 119 includes a parallel bus, a serial bus, a general purpose input output (GPIO), and the like.
- the connection unit 119 may transmit and receive data or control data transferred between blocks.
- the connection unit 119 is configured to transmit / receive (control) data with respect to the control unit 117, for example, transmit and receive data to and from the memory 103 in a parallel bus, and to the physical interface promised to the display unit 113. Therefore, the image signal can be transmitted.
- FIG. 3 is a diagram illustrating an exemplary process for transmitting / receiving a video between the surveillance camera 100 and the external device 300.
- FIG. 3 it is described that there are two external devices 300, but the same processing is performed on one or three or more external devices 300. 1 and 2 will be omitted or briefly described.
- the processing performed by the surveillance camera 100 is preferably performed through the controller 117 and may be performed by the controller 117 controlling other blocks.
- the surveillance camera 100 sets a communication channel for establishing a communication connection with the surveillance server 200 according to booting (see 1 of FIG. 3).
- the controller 117 of the surveillance camera 100 determines the public IP address of the surveillance camera 100 itself through a STUN server.
- the determined public IP address is transmitted from the STUN server to the surveillance server 200 or from the surveillance camera 100 to the surveillance server 200.
- the surveillance camera 100 or the STUN server transmits the identifier of the surveillance camera 100 itself in the communication connection setup process. Accordingly, the monitoring server 200 may identify the entry in the database using the identifier and change the public IP address in the entry.
- the control unit 117 of the surveillance camera 100 receives a user input indicating a video call request via the input unit 101 and transmits a packet indicating a video call request to the external device 300 corresponding to the received user input. Transmission to the monitoring server 200 through the communication channel (see 2 in FIG. 3). Alternatively, after booting, the controller 117 may transmit a packet indicating a video call request to the designated external device 300 to the monitoring server 200.
- the monitoring server 200 determines the target external device 300 from the video call request received through the first communication channel (see 3 in FIG. 3).
- the video call request includes data for identifying an external device 300 or an automatically designated external device 300 according to a user input.
- the data is used to determine whether the external device 300 to be called is an authorized device from data of a plurality of external devices of the surveillance camera 100 corresponding to the first communication channel, and monitors the response according to the determination. 100 can be sent.
- the authority of the external device 300 may also be used.
- the monitoring server 200 transmits a request indicating a call invitation to the corresponding external device 300 (see 4 of FIG. 3).
- the external device 300 may also have a public IP determined in advance through a STUN server or the like, and the public IP may be stored in the monitoring server 200.
- the monitoring server 200 may determine the public IP through the STUN server or the like at the request of the call invitation.
- the surveillance server 200 receives a response to the call invitation request from the external device 300 and sets up a communication channel between the surveillance camera 100 and the external device 300 according to the received response (see 5 in FIG. 3). Do it.
- the setting of the communication channel includes, for example, the exchange of Session Description Protocol (SDP) data according to WebRTC.
- SDP Session Description Protocol
- the exchange of the SDP data is performed through the first communication channel between the monitoring server 200 and the surveillance camera 100 and the communication channel between the monitoring server 200 and the external device 300 and the external monitoring camera 100 and the external device.
- the monitoring server 200 may change the corresponding data so as to establish a communication channel between the devices 300.
- the monitoring camera 100 and the external device 300 may determine various communication formats and the like and directly set a specific communication channel (hereinafter also referred to as a 'second communication channel').
- This second communication channel is preferably a communication channel not via the monitoring server 200.
- the surveillance camera 100 transmits the compressed video data captured through the camera lens to the external device 300 through the second communication channel, and the external device 300 also transmits the compressed video data through the second communication channel. Transfer to the surveillance camera 100 (see 6 in FIG. 3).
- the other external device 300 may attempt to make a video call to the same surveillance camera 100.
- the other external device 300 transmits a video call request to the monitoring server 200 through a communication channel (see 7 of FIG. 3).
- the monitoring server 200 determines the target device according to the reception of the video call request (see 8 in FIG. 3).
- the target device may be a surveillance camera 100 and the surveillance server 200 may identify an entry in a database using an identifier of the surveillance camera 100 included in the video call request, and may use the data of a plurality of external devices of the identified entry. Identifies whether the requested external device 300 exists.
- the surveillance server 200 determines whether the surveillance camera 100 of the identified entry is making a video call. This determination can be made by the monitoring server 200 recording the data representing the communication channel setting 5 in FIG. 3 in the entry and determining the data.
- the monitoring server 200 sends a channel change request for changing the currently set second communication channel through the first communication channel or the like to the surveillance camera 100 and the existing external device 300. (See 9 in Fig. 3).
- the data may be transmitted to the other external device 300 to know the changed communication channel.
- the data of the channel change request causes at least the video data generated and compressed by the surveillance camera 100 to be multicast to all external devices 300 for which the video call request is made.
- the surveillance camera 100 transmits the compressed video data to the plurality of external devices 300 through the changed second communication channel (see FIG. 3), and the plurality of external devices 300 decodes the compressed video data. Can be displayed on the display.
- the external device 300 first connected to the surveillance camera 100 also transmits the compressed video data through the second communication channel (see FIG. 3), and the surveillance camera 100 is received through the display 113. An image of video data can be displayed.
- various external devices 300 may receive and display video data from one same surveillance camera 100.
- the surveillance camera 100 may receive and display video data from a single external device 300.
- the monitoring server 200 may give priority to a specific external device 300.
- video data from the external device 300 is transmitted to the surveillance camera 100.
- the priority is included in entries in the database and preferably in a plurality of external device data.
- one external device 300 transmits a packet indicating a video call interruption request to the monitoring server 200 (see FIG. 3), and the monitoring server 200 identifies the monitoring camera 100 and monitors the monitoring camera 100.
- the communication channel change request may be transmitted to the surveillance camera 100 and the other external device 300 to change the set second communication channel (see FIG. 3).
- This communication channel change request derives packet generation for a single external device 300 from generation of multicasting data.
- the surveillance camera 100 and the external device 300 may transmit and receive packets of compressed video data.
- the external device 300 and the surveillance camera 100 may establish a connection of a communication channel and transmit / receive video data using the WebRTC framework.
- the surveillance camera 100 can make a video call with various authorized external devices 300 and utilizes the performance of the limited control unit 117 of the surveillance camera 100 while communicating between the various external devices 300. This is possible.
- FIG. 4 is a diagram illustrating an exemplary process for controlling the surveillance camera 100 in the external device 300.
- FIG. 4 it is assumed that one external device 300 can control one surveillance camera 100.
- FIG. 4 a brief description will be made within a range not overlapping with the description of FIGS. 2 and 3.
- the surveillance camera 100 establishes a communication connection of the first communication channel in cooperation with the surveillance server 200 (see 1 of FIG. 4).
- the specific external device 300 transmits a control request for requesting to control the specific surveillance camera 100 to the surveillance server 200 (see 2 in FIG. 4).
- the surveillance server 200 Upon reception of the control request, the surveillance server 200 identifies a database entry by using a identifier of the surveillance camera 100 included in the control request to determine the surveillance camera 100 that is a control target device (see 3 in FIG. 4). do.
- the surveillance server 200 searches for an identifier of the external device 300 included in the control request in the entry, and determines whether the corresponding external device 300 that has requested the control exists, and whether or not it is authorized to control the surveillance camera 100.
- the response according to the determination may be transmitted to the external device 300.
- the monitoring server 200 sets up a communication channel between the surveillance camera 100 and the external device 300 (see 4 in FIG. 4). do. Setting up such a communication channel involves exchanging information on a WebSocket. After exchanging web sockets with each other, the surveillance camera 100 and the external device 300 may establish a new communication channel.
- the external device 300 directly transmits a control change request for changing the control made by the surveillance camera 100 through the newly established communication channel to the surveillance camera 100 (see 5 in FIG. 4).
- the control change request includes control data such as a control message and the surveillance camera 100 controls each block according to the received control message.
- the control message may be data indicating a change in the pan, tilt, and zoom functions that the image receiver 111 may perform.
- the controller 117 of the surveillance camera 100 may perform the corresponding function by controlling the image receiver 111 according to data indicating the change of the pan, tilt, or zoom function.
- Web sockets can also be configured on a web browser and configured within the WebRTC framework.
- the surveillance camera 100 then transmits a response to the control change request to the external device 300 (see 6 in FIG. 4).
- the surveillance camera 100 allows control through the Internet network.
- the control can be made only by the external device 300 authorized by the monitoring server 200.
Abstract
Description
Claims (9)
- 동영상 출력이 가능한 감시 카메라로서,인터넷 망을 통해 네트워크 패킷을 송수신하는 통신부;수신된 상기 네트워크 패킷에 기초하여 생성된 동영상을 출력하는 디스플레이부; 및상기 네트워크 패킷의 데이터를 상기 디스플레이부로 출력될 동영상 데이터로 변환하는 제어부;를 포함하는,감시 카메라.
- 제1항에 있어서,하나 이상의 감지 센서를 포함하여 감지 센서로부터의 감지 신호를 출력하는 감지부;를 더 포함하며,상기 제어부는 상기 감지부로부터의 감지 신호에 기초하여 감지 데이터를 생성하고 생성된 감지 데이터를 포함하는 네트워크 패킷을 상기 통신부로 출력하는,감시 카메라.
- 제1항에 있어서,상기 감시 카메라의 외부의 이미지를 캡쳐링하기 위한 이미지 수신부;를 더 포함하며,상기 제어부는 상기 이미지 수신부로부터 캡쳐링된 이미지 데이터로부터 동영상 데이터를 생성하고 생성된 동영상 데이터를 포함하는 네트워크 패킷을 상기 통신부로 출력하는,감시 카메라.
- 제3항에 있어서,상기 동영상 데이터의 네트워크 패킷의 데이터는 복수의 외부 장치로 인터넷 망을 통해 직접 전송되는 멀티캐스팅 데이터이고 상기 외부 장치는 감시 카메라이거나 휴대형 단말기인,감시 카메라.
- 제4항에 있어서,상기 통신부는 상기 복수의 외부 장치 중 하나의 외부 장치로부터 네트워크 패킷을 인터넷 망을 통해 수신하고,상기 제어부는 상기 하나의 외부 장치로부터 수신된 네트워크 패킷의 데이터를 동영상 데이터로 변환하여 상기 디스플레이부로 출력하는,감시 카메라.
- 제5항에 있어서,상기 제어부는 상기 감시 카메라와 접속이 허가된 상기 복수의 외부 장치와 통신 채널을 WebRTC(Web Real-Time Communication) 프레임워크를 이용하여 설정하고,상기 제어부는 상기 하나의 외부 장치와의 통신 채널이 단절됨에 따라 상기 복수의 외부 장치 중 후속하는 외부 장치로부터 수신된 네트워크 패킷의 데이터를 동영상 데이터로 변환하여 상기 디스플레이부로 출력하는,감시 카메라.
- 제3항에 있어서,상기 통신부는 외부 장치로부터 상기 감시 카메라의 제어에 이용될 제어 데이터를 네트워크 패킷으로 인터넷 망을 통해 수신하고,상기 제어부는 수신된 상기 제어 데이터에 따라 상기 이미지 수신부를 제어하는,감시 카메라.
- 제1항에 따른 감시 카메라를 포함하는 동영상 송수신 시스템.
- 제8항에 있어서,상기 감시 카메라에 연결된 감시 서버; 및 상기 감시 카메라와 통신 가능한 외부 장치;를 더 포함하며,상기 감시 서버는 상기 감시 카메라와 상기 외부 장치 간 통신 채널 설정을 중재하고,통신 채널의 설정 이후에, 상기 감시 카메라는 상기 외부 장치로부터 직접 네트워크 패킷을 수신하고 수신되는 네트워크 패킷은 동영상의 데이터이거나 상기 감시 카메라를 제어할 제어 데이터인,동영상 송수신 시스템.
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CN201480079575.5A CN106416236A (zh) | 2014-06-11 | 2014-07-04 | 可输出视频的监控摄像机及包含该监控摄像机的视频收发系统 |
US15/315,385 US20170200356A1 (en) | 2014-06-11 | 2014-07-04 | Surveillance camera capable of outputting video and video transmission/reception system including same |
JP2016569910A JP2017524284A (ja) | 2014-06-11 | 2014-07-04 | 動画像出力可能な監視カメラ及びその監視カメラを含む動画像送受信システム |
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KR10-2014-0070692 | 2014-06-11 | ||
KR20140070692A KR101460112B1 (ko) | 2014-06-11 | 2014-06-11 | 동영상 출력이 가능한 감시 카메라 및 이 감시 카메라를 포함하는 동영상 송수신 시스템 |
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US (1) | US20170200356A1 (ko) |
JP (1) | JP2017524284A (ko) |
KR (1) | KR101460112B1 (ko) |
CN (1) | CN106416236A (ko) |
WO (1) | WO2015190639A1 (ko) |
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KR101702456B1 (ko) * | 2015-07-10 | 2017-02-06 | (주) 큐알온텍 | 감시용 단말의 이기종 채널 통신 장치 및 방법 |
KR101586728B1 (ko) * | 2015-10-12 | 2016-01-21 | (주)조은세이프 | 스마트폰을 활용한 원격 모니터링 방법, 장치 및 시스템 |
KR102568996B1 (ko) * | 2016-08-25 | 2023-08-21 | 한화비전 주식회사 | 감시카메라 설정 방법과 감시카메라 관리 방법 및 시스템 |
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US20170200356A1 (en) | 2017-07-13 |
CN106416236A (zh) | 2017-02-15 |
JP2017524284A (ja) | 2017-08-24 |
KR101460112B1 (ko) | 2014-11-11 |
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