KR101372358B1 - System for displaying of video data - Google Patents

Abstract

The present invention relates to a system for outputting image data which comprises: a wall display in which a plurality of display devices forms one screen; a plurality of real-time streaming servers which transmits images taken based on a real time streaming protocol (RTSP); a wall display console which includes an imaging unit for extracting and processing all or a specific region of a received image by connecting the real-time streaming server based on the RTSP and is installed into each of the plurality of display devices; and an integrated controller which is operated by a master PC and sets an output position and an output form of a selected image. [Reference numerals] (AA) Communication network

Description

Video data output system {SYSTEM FOR DISPLAYING OF VIDEO DATA}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image data output system. The present invention relates to an image data output system that is capable of easily controlling an output pattern in performing grid display using a plurality of images, improving image quality, and constructing a system. will be.

The rapid development of electronic communication and display technology has moved away from the one-sided multimedia contents in the past, so that various types of contents can be quickly provided through the network, and contents can be displayed in various ways. The Wall Display can be described as an example. The Wall Display is a form in which a screen is enlarged and displayed on multiple display devices or various screens are displayed on various display devices. Display method. Such wall displays are widely used in exhibition halls, offline stores, various commemorative events, and control systems depending on the purpose of use.

Among them, the control system monitors and manages images collected at specific locations for the safety of the community in public institutions or companies connected to the public institutions. A monthly display is provided for monitoring and managing hundreds of images. Used. In such a system, the display is larger than a wall display used for general exhibition or advertising purposes, and a control means must be provided. In the case of multiple display devices constituting the wall display, installation of input / output ports in system construction The problem is that there are many difficulties and not easy to manage.

In addition, when the wall display is applied to the control system in the related art, the received image is first output to the management monitor, the output image is captured and transmitted to the device for controlling the wall display, and the desired position and output form are considered. As the screen is processed and transmitted to each display device, the image quality of the image displayed on the wall display is deteriorated, and the image is not synchronized according to the time required to encode and decode the captured screen again. Not only this, but also a problem that a high-end processor is required because the device that controls the wall display has processed and distributed all the images output to the wall display.

As various manufacturers and types of image collection devices are used in the wall display control device, the compression processing method of the image transmitted to the control center is different, so it is practically impossible to process a large number of images having different compression formats in the wall display control device. In order to receive input in a form that can be processed by the wall display control device, the screen output from the management monitor was first captured and transmitted to the wall display control device. As described above, the image quality is lowered due to the expansion of the simple capture screen, and there is a problem in real time synchronization due to the processing of the encoding and decoding of the image.

In addition, as a patent related to the wall display, reference can be made to the Republic of Korea Patent Publication No. 10-2011-0058049 (published June 01, 2011, video wall display system), the screen output through the wall display is simply enlarged The present invention does not provide an image data output system which is implemented only in the form of displaying on a plurality of display apparatuses, and which can be controlled to output each screen to a desired position by a simple operation by a simple operation.

The present invention has been made to solve this problem, when building a wall display using a plurality of images to use in the control system, the output pattern such as the number of images to be output to the wall display, the size of the image, the position of the image, etc. It is an object of the present invention to provide an image data output system that can easily control the image quality, prevent degradation of the output image and effectively operate the wall display for the control system.

And, by receiving the real-time image through the network connection through the IP protocol of the image collecting device used in the control system and displaying it on the display device with a short processing time, the image that can be output by minimizing the delay of the screen of the site where the image collecting device is installed We want to provide a data output system.

In addition, when outputting the processed image on the wall display, the manager has another object to provide a video data output system that can be output by controlling the position to output each image with a simple operation as needed. .

According to the present invention, a plurality of display devices are provided in a grid structure to form a grid display according to the present invention; A plurality of real-time streaming server for transmitting the captured image based on the Real Time Streaming Protocol (RTSP); Real-time streaming protocol (RTSP) based on the real-time streaming server to access the real-time streaming server to receive the image, and extracts the entire or specific region of the received image to be output to any one or more of the plurality of display devices A wall display console having an image processing unit for processing is provided for each of the plurality of display devices; An integrated controller which operates as a master PC and sets the output position and output form of the selected image; The integrated controller includes an image capture unit for capturing and encoding the screen output to the master PC and connected to the wall display console based on Real Time Streaming Protocol (RTSP) to transmit a captured screen, the integrated controller Connecting one or more of the wall display consoles to the real-time streaming server to implement a wall display corresponding to the output position and the output type set through the control unit, and receiving the image based on a Real Time Streaming Protocol (RTSP). The image data output system may output an entirety or a specific region by using a part or the entirety of an output screen of at least one display device selected from the plurality of display devices.

Here, the integrated controller includes a position setting unit for setting a position to output the image processed from the image forming unit to any one of the plurality of display devices; The position setting unit may set an output position by matching the processed image to a region of a management screen having a grid structure corresponding to the arrangement of the plurality of display apparatuses.

In this case, the image constituting unit provides a channel signal list for the processed image, and each display number is assigned to the display device according to the position of the grid structure; The position setting unit may set the output position of the processed image by matching the channel signal list with the identification number.

The image comparator receives a plurality of images selected through the integrated controller, divides an output area of the display apparatus corresponding to the output position by the number of input images, and divides the input image into the divided areas. The display device may be provided to provide a wall display in an output form of a reduction pattern for outputting and outputting a plurality of images to one display device.

The integrated controller may be further configured to input a single image selected into a wall display console corresponding to a screen of a display device selected from at least two of the plurality of display devices, respectively; The image constituting unit of each wall display console outputs an enlarged pattern for dividing and extracting the region of the single image so as to correspond to the arrangement of the two or more selected display devices, and outputting the extracted image to the two or more selected display devices, respectively. It is also possible to provide a wall display in the form.

delete

The apparatus may further include an image distributor configured to receive and manage an image from a device without a real-time streaming protocol function and to provide an image to the wall display console selected from the integrated controller.

Here, the video distributor is preferably provided to operate as a server to interwork with the request of the real-time streaming client of the wall display console.

The integrated controller may further include a schedule setting unit configured to designate and set an image and an output form to be output to the wall display for each hour.

According to the present invention, the wall display console connected to the real-time streaming protocol to process the received image in the form of the output to be used, and the administrator uses the integrated controller used to monitor and manage hundreds of images in the control system The output pattern such as the number of images output to the image data output system, the size of the image, and the position of the image can be easily controlled.

In addition, when a wall display is applied to a control system in the related art, a received image is output to a monitor using an RGB / DVI cable, and the output image is captured and transmitted to a display device forming a wall display. As a result, the image quality of the image displayed on the wall display is deteriorated by decoding the image received in real time through the standard protocol and outputting the image in the output pattern set by the administrator.

In addition, it is suitable for video synchronization by minimizing encoding and decoding processes, and smooth system operation is possible without building a high-performance processing processor.

In addition, since a wall display console having a processing function for output is installed in each display device, scalability is improved in further removal of the display device.

1 is a view for explaining the configuration of a video data output system according to an embodiment of the present invention.
2 is a diagram showing the configuration of a wall display console according to an embodiment of the present invention.
3 is a diagram illustrating an operation screen of the integrated controller having a grid structure.
4 is a view for explaining an installation configuration of a wall display console corresponding to the display device.
5 is a diagram illustrating an example of a reduction pattern in which a plurality of images are output to one display apparatus.
6 is a diagram illustrating an example of an enlarged pattern in which a single image is output to a plurality of display apparatuses.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The image data output system according to the present invention is to ensure easier operation and processing performance in outputting a plurality of images received on a network basis through a real-time streaming protocol to the wall display 130. It will be described as an example applied in the control system, but is not necessarily limited thereto.

 1 is a view for explaining the configuration of a video data output system according to an embodiment of the present invention. Referring to FIG. 1, the video data output system according to the present invention includes a real time streaming server 10, a wall display console 110, an integrated controller 120, and a wall display 130.

The real-time streaming server 10 is a device for transmitting an image secured by being connected to a wired or wireless network such as the Internet through a protocol, and may be an IP camera, an IP TV, a video server, or the like. Referring to the IP camera as an example of the real-time streaming server 10, it is composed of a camera module, an image compression chip, a network transmission chip, etc. to collect the image from the installed position, converts the image collected from the camera module into a digital signal network Send it through. Here, the real-time streaming server 10 transmits real-time voice or video based on Real Time Streaming Protocol (RTSP).

The wall display is a screen in which a plurality of display devices 131 are installed in a lattice structure. Here, the display device 131 may be an LCD / PDP, etc. The plurality of display devices 131 have a lattice structure in which m pieces are arranged in close contact with each other n pieces in length and width. The number and arrangement of display apparatuses 131 constituting the wall display 130 may vary.

The wall display console 110 receives an image transmitted from the real-time streaming server 10, is connected to each display device 131, and processes the output signal into an output form to be output under the control of an administrator. 131) has a function to transmit.

 2 is a diagram showing the configuration of the wall display console 110 according to an embodiment of the present invention. Referring to FIG. 2, the wall display console 110 according to the present invention maintains a connection with the real time streaming server 10 based on a control signal from the integrated controller 120, and converts and outputs a received image. MCU 112 to control the configuration, and includes a real-time streaming client 111, the image configuration unit 113, the image output unit 114.

The real time streaming client 111 is connected to the real time streaming server 10 through a protocol (RTSP) and receives an encoded image. The connection between the real-time streaming server 10 and the real-time streaming client 111 is possible through the setting of the integrated controller 120, and the integrated controller 120 will be described later.

The image configuring unit 113 includes a decoding unit 113a, a pattern processing unit 113b, and a position setting unit 113c. In the real-time streaming server 10 using the IP camera as an example, an encoded image is transmitted. The encoded image is decoded by the decoding unit 113a, and the image is set through the integrated controller 120 by the administrator in the pattern processing unit 113b. It is processed in the form of output such as position, reduction and enlargement. The position setting unit 113c operates in synchronization with the operation program of the integrated controller 120 by setting a position at which the image processed by the image configuring unit 113 is output to any one of the plurality of display apparatuses 131. .

The integrated controller 120 has a function of setting the output position and output form of the selected image. The wall display console 110 corresponding to the output position of the image received from the real-time streaming server 10 to form the wall display 130 by selecting the position to be output of the processed image from the image configuration unit 113 It is the function to connect to input. A type of outputting images from one real time streaming server 10 to one display device 131, A type of outputting images from a plurality of real time streaming servers 10 to one display device 131, A plurality of According to a setting of an output form such as a form of outputting a single image using the entire screen of the display device 131, the at least one of the wall display console 110 is connected to the real-time streaming server 10. .

According to such a configuration, by using the real-time streaming protocol, the image from the real-time streaming server 10 can be processed in real time and output, and received in the standardized image processing format in the wall display console 110, As the image is uniformly processed, the wall display 130 may be implemented in a simplified apparatus configuration. In addition, after the original image is output to the desired position on the wall display 130, the image quality may be prevented from being decoded and decoded and output to the respective display apparatuses 131. FIG. .

In addition, since the position of the image to be displayed on the wall display 130 can be controlled by a simple operation through the integrated controller 120, it is more effective for the operation of the wall display 130 of the control system that manages a large number of images and requires monitoring. .

 3 is a diagram illustrating an operation screen of the integrated controller 120 having a grid structure. Referring to FIG. 3, the integrated controller 120 according to the present invention is controlled through a user interface. For example, the user interface may be controlled through a management screen of a grid structure provided to correspond to the arrangement of the display apparatus 131. In the management screen, the channel signal list corresponding to each image received from the real-time streaming server 10 is displayed on one side of the management screen, and the channel signal list is selected and dragged and dropped on the management screen of the grid structure. Let's do it.

As another example, it is also possible to select any one of the channel signal list and to designate an identification number of the assigned display device 131. Here, the image configuration unit 113 provides a list of channel signals for the processed image, and the display device 131 is assigned an identification number according to the position of the grid structure, and the channel signal is provided through the position setting unit 113c. This method is to set the output position of the processed image by matching the list with the identification number.

Such a method is a user interface using a screen having a lattice structure corresponding to the arrangement of the display apparatus 131, and it is easy to designate a position of an image to be output to a plurality of display apparatuses 131. It can be usefully applied to control systems that require continuous monitoring.

In the monitoring through the control system, the integrated controller 120 may be provided with a schedule setting unit for designating and setting an image and an output type to be output to the wall display 130 for each time. The areas monitored in the control system can be grouped and implemented in groups. For example, the wall display 130 may be outputted in an enlarged pattern or outputted to the display device 131 at an easy-to-monitor location in the monitoring cycle for the centralized monitoring area grouping the main incidents set by the administrator in advance. This is the case.

The schedule setting may be used to transmit visual information more effectively by setting a method to be outputted to various advertisements and commemorative events, not limited to a control system.

4 is a view for explaining an installation configuration of the wall display console 110 corresponding to the display device. Referring to FIG. 4, in the image data output system according to the present invention, the wall display console 110 and the display device 131 are installed to be configured 1: 1. The wall display console 110 receives a channel signal for an image designated by the integrated controller 120, and outputs a signal to the display device 131 by configuring the output signal set by the integrated controller 120. The wall display console 110 is provided to receive a plurality of channel signals. Although not limited, it may be appropriately performed by receiving channel signals for four images and simultaneously outputting a plurality of images to one display device 131. The control system may manage hundreds of images. Therefore, it is to be applied to the method of monitoring multiple images at the same time.

In this regard, the image data output system according to the present invention is provided with a wall display console 110 to enable the display in a variety of output forms will be described.

5 is a diagram illustrating an example of a reduction pattern in which a plurality of images are output to one display apparatus 131, and FIG. 6 is a diagram illustrating an example of an enlargement pattern in which a single image is output to a plurality of display apparatuses 131. Drawing.

The image configuring unit 113 receives a plurality of images selected through the integrated controller 120, divides the output area of the display apparatus 131 corresponding to the output position by the number of the received images, and divides the input image. A wall display is provided in an output form of a reduction pattern for outputting a plurality of images to one display device 131 by outputting the same to each area.

Referring to the reduction pattern for outputting four images to one display device 131 as an example, four display images from the real-time streaming server 10 through the integrated controller 120 to select a single display device ( If it is set as an object to be displayed on 131, the encoded image is received from the real time streaming server 10 through the real time streaming client 111 in response to the set value. When the received encoded image is input to the image forming unit 113 of the wall display console 110, the screen area of the display apparatus 131 is divided into four and the image is output to output four images to one display apparatus 131. Each of the patterns # 1 to # 4 is reduced in four divided regions A, B, C, and D and output.

Here, an example of outputting image # 1 to partition A, image # 2 to partition B, image # 3 to partition C, and image # 4 to partition D is described. Naturally, the position of the output partition may be set through the integrated controller 120. As described above, the reduction pattern is easy to simultaneously output and monitor the received images in monitoring several hundred or more images.

In addition, the image configuring unit 113 provides a wall display of an enlarged pattern. The integrated controller 120 allows a single image selected from the plurality of display devices 131 to be input to the wall display console 110 corresponding to the screen of the display device selected from at least two. The image configuration unit 113 of each wall display console 110 divides and extracts an area of a single image to correspond to the arrangement of two or more selected display devices 131, and extracts the extracted image from two or more selected display devices. A wall display is provided in an output form of an enlarged pattern respectively outputted to 131.

In more detail, the magnification pattern is described in detail. In a manner in which a single image from the real time streaming server 10 set through the integrated controller 120 is displayed on two or more display apparatuses 131 installed adjacent to each other, two or more display apparatuses 131 are provided. A single image is input to the image constituting unit 113 of the plurality of wall display consoles 110 corresponding to the < RTI ID = 0.0 > 1) < / RTI > The wall display 130 is provided by displaying and outputting the device 131, respectively.

Here, a plurality of adjacent display devices (display device # 1, display device # 2, display device # 4, etc.) are selected by selecting a single image (video # 1) from the selected real-time streaming servers 10 through the integrated controller 120. If it is set as a target to be displayed on the display device # 5, the encoded image is received from the real-time streaming server 10 through the real-time streaming client 111 in response to the set value, and the received encoded image is the wall display console 110. The image # 1 is divided so as to correspond to the number and position of adjacent display devices to be output when the image is input to the image forming unit 113. The enlarged pattern for outputting the divided four images to one display device 131 is provided. Provides a wall display 130. When an event situation occurs when an enlarged pattern is used in the control system, the image is enlarged and displayed. Used for monitoring and relay, and it is easy to monitor.

Meanwhile, the integrated controller 120 includes an image capture unit. The integrated controller 120 operates as a master PC, and the master PC is provided to capture and encode the output screen and transmit the captured screen to the wall display console 110.

The image capturing unit is a component for displaying a screen output by the administrator as needed on the wall display 130, not the image from the real-time streaming server 10. For example, in order to output information such as GIS information by using the wall display console 110, the screen output from the master PC is captured and encoded, and then transmitted to the wall display console 110. In the wall display console 110, the image capture unit is regarded as the above-described real-time streaming server 10, and is connected to a network through a protocol between real-time streaming clients 111, thereby processing the captured image in the wall display console 110. It is possible to output to the display device without additional configuration.

Referring back to FIG. 1, the image data output system according to the present invention receives and manages images from a device without a real-time streaming protocol function, and provides an image to a selected wall display console 110 from the integrated controller 120. The image distributor 140 further comprises.

As shown in FIG. 1, in addition to the IP camera illustrated as an example of the real-time streaming server 10, a camera that collects an image of a location installed for use in a control system may not have an IP protocol function. There is a problem that can not be directly connected to the real-time streaming client (111). Such a general camera is connected to the center where the control system is constructed and transmitted through a separate communication network. Here, the image distributor 140 manages the transmitted image. When outputting to the wall display console 110 for monitoring the transmitted image or storing or transmitting to the position of the second manager, the image is distributed to the position requiring the image.

Here, the transmitted image is configured to connect only the image distributor 140, and the device requesting the image is connected to the image distributor 140 so that a network bandwidth is not required for the transmitted image.

In addition, the video distributor 140 operates as a server to interwork with a request of the real time streaming client 111 of the wall display console 110. According to such a configuration, even when the real-time streaming function of the camera for collecting the image in the control system is not provided, the collected image can be connected to the wall display console 110 and used in the image data output system.

Although several embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various modifications may be made without departing from the principles and spirit of the invention . The scope of the invention will be determined by the appended claims and their equivalents.

10: live streaming server 110: wall display console
111: live streaming client 112: MCU
113: video configuration unit 113a: decoding unit
113b: pattern processing section 113c: position setting section
114: image output unit 120: integrated controller
130: wall display 131: display device
140: video splitter

Claims (9)

A wall display in which a plurality of display devices are formed in a lattice structure to form one screen;
A plurality of real-time streaming server for transmitting the captured image based on the Real Time Streaming Protocol (RTSP);
Real-time streaming protocol (RTSP) based on the real-time streaming server to access the real-time streaming server to receive the image, and extracts the entire or specific region of the received image to be output to any one or more of the plurality of display devices A wall display console having an image processing unit for processing is provided for each of the plurality of display devices;
An integrated controller which operates as a master PC and sets the output position and output form of the selected image;
The integrated controller
A video capture unit for capturing and encoding a screen output to the master PC and connecting to the wall display console based on Real Time Streaming Protocol (RTSP) to transmit a captured screen;
Connect any one or more of the wall display consoles to the real-time streaming server to implement a wall display corresponding to the output position and the output type set through the integrated controller, and received based on RTSP (Real Time Streaming Protocol). And outputting an entirety or a specific region of the image using a part or all of an output screen of at least one display device selected from among the plurality of display apparatuses.
The method of claim 1,
The integrated controller includes a position setting unit for setting a position to output an image processed from the image forming unit to any one of the plurality of display devices;
And the position setting unit sets an output position by matching the processed image to a region of a management screen having a grid structure corresponding to the arrangement of a plurality of display apparatuses.
3. The method of claim 2,
The image configurator provides a channel signal list for the processed image,
The display device is assigned with an identification number corresponding to the position of the lattice structure;
And an output position of the processed image by matching the channel signal list with the identification number through the position setting unit.
The method of claim 1,
The video component unit,
Receives a plurality of images selected through the integrated controller, divides the output area of the display device corresponding to the output position by the number of input images, and outputs the input image to each of the divided areas to one display device. An image data output system comprising: providing a wall display in an output form of a reduction pattern for outputting a plurality of images.
The method of claim 1,
The integrated controller to input a single image selected to a wall display console corresponding to a screen of a display device selected from at least two of the plurality of display devices, respectively;
The image constituting unit of each wall display console outputs an enlarged pattern for dividing and extracting the region of the single image so as to correspond to the arrangement of the two or more selected display devices, and outputting the extracted image to the two or more selected display devices, respectively. Image data output system, characterized in that to provide a wall display in the form.
delete The method of claim 1,
An image data output system further comprising: an image distributor configured to receive an image from a device without a Real Time Streaming Protocol (RTSP) function and to provide an image to the wall display console selected from the integrated controller.
8. The method of claim 7,
And the image distributor acts as a server to interwork with a request of a real time streaming client of the wall display console, and encodes a managed image corresponding to a decoding method of the wall display console.
The method according to any one of claims 1 to 5, 7 and 8,
The integrated controller comprising:
And a schedule setting unit configured to designate and set an image and an output form to be output on the wall display for each time.

Images