KR100817551B1 - System and method of controling multi-projection based on pc cluster - Google Patents

Abstract

The present invention relates to a control system and method for a PC cluster-based multi-projection display, which collectively controls the operations and applications of a plurality of computers to project images synchronized by a plurality of projectors on a screen, and also turns on / off the projectors. By collectively controlling the projector for synchronized image projection, it is possible to intuitively and collectively manage ultra-high resolution image expression or immersive virtual environment expression.

PC clusters, projectors, and applications

Description

Control system and method of PC cluster-based multi-projection display {SYSTEM AND METHOD OF CONTROLING MULTI-PROJECTION BASED ON PC CLUSTER}

1 is a block diagram showing the configuration of a multi-projection display system according to the present invention;

2 is a view schematically showing the internal configuration of a server and a PC according to the present invention;

3 is a view showing still another configuration of a multi-projection display system according to the present invention;

4 is a flowchart illustrating a control method of a multi-projection display according to the present invention.

<Explanation of symbols for the main parts of the drawings>

100: user interface 200: server

210: PC operation module 220: Application program control module

230: projector operation module 240: projector control module

300: network 400: PC cluster

411: PC operation unit 412: Program operation

600: multi-projector unit 700: screen

The present invention relates to the control of the PC cluster and the projector of the multi-projection display system, and more specifically, to control the PC cluster and the projector simply and quickly while selecting menus and icons of the interface easily and intuitively to turn on / off the PC cluster. The present invention relates to a control system and method of a PC cluster-based multi-projection display for controlling batch execution of applications, MUTE, input selection, and batch ON / OFF.

In general, a multi-projection system includes a PC cluster for rendering, a plurality of projectors for projecting images, and a screen on which images are projected. Such a multi-projection system is widely used as a virtual reality system. However, because PC clusters and projectors are connected by multiple resources, both inexperienced users and experienced users spend a lot of time running the system.

Recently, multi-projection display systems using PC clusters have been used for industrial, medical, military, and science after creating ultra high resolution image representation system or immersive virtual environment representation system to produce virtual environment and virtual space.

Since such a multi-projection display system is operated by a connection structure of a plurality of PC clusters and projectors, it is necessary to repeatedly execute the operations and programs of the respective PCs and projectors to control them. This requires a system environment that intuitively controls and collectively operates PC clusters and projectors.

Regarding the conventional PC cluster and projector control method, Patent Publication No. 2001-0018796 ("FM M / M CM remote control method on Linux-based PC cluster") allows a PC cluster user to execute a command on a master node. Is transmitted as a remote control code to each selected slave node to control the application program in each slave node.

In addition, Patent Publication No. 2005-60797 ("Content delivery method for efficient use of network resources and its implementation system") manages content distribution and delivery of cluster nodes in a centralized manner to improve the efficiency of management and provide There is an effect to effectively provide a service.

However, the conventional control methods described above are limited to remote execution and management of an application program of a PC cluster. This is not suitable for a multi-projection display system where applications and projectors must be run in a batch to synchronize the images projected from all projectors.

Accordingly, the present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to collectively control the operation of a plurality of computers and application programs embedded in the plurality of computers based on the input information, The present invention provides a PC cluster-based multi-projection control system and method for expanding and complementing a PC cluster-based system into a structure suitable for a multi-projection display system by collectively projecting images synchronized by a projector.

In addition, another object of the present invention is to access an application source selection process of PC cluster, batch ON / OFF of PC cluster, batch ON / OFF of projector, mute, RGB, DVI of projector, etc. It provides PC cluster-based multi-projection display control system and method for quick control with simple interface.

In order to achieve the above object, a control system of a PC cluster-based multi-projection display of the present invention includes a plurality of computers based on a user interface for inputting information representing an image synchronized by a plurality of projectors and information input from the user interface. And a server for collectively controlling a plurality of projectors so that a plurality of projectors can project a synchronized image through the operation of a plurality of computers and the application programs embedded in the plurality of computers. Including a PC cluster unit having a plurality of computers for generating synchronized image information by running an application program through the control of the multi-projector unit for receiving the image information in one-to-one with the computer of the PC cluster unit and projecting the image on the screen Scoop It shall be.

On the other hand, the control method of the PC cluster-based multi-projection display of the present invention comprises the steps of inputting information for displaying the image synchronized by a plurality of projectors, the operation of a plurality of computers based on the input information and embedded in the plurality of computers, respectively Controlling a plurality of projectors collectively, and controlling a plurality of projectors so that a plurality of projectors can project a synchronized image by executing the application program, and generating an image through control of the application program. And receiving the generated image information and projecting the image onto a screen.

Hereinafter, a control system and method for a PC cluster-based multi-projection display of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a multi-projection display system according to the present invention.

In the multi-projection display system according to the present invention, the operation of the plurality of computers 410, 420, 430, 440 and the operations of the plurality of computers 410, 420, 430, 440 on the basis of the information input from the user interface 100, the user interface 100 for inputting information on the displayed image. The server 200 and the server which collectively control the built-in applications and control the projectors 610, 620, 630 and 640 collectively so that the plurality of projectors 610, 620, 630 and 640 can project the synchronized image by executing the applications. The PC cluster unit 400 having a plurality of computers 410, 420, 430, and 440 generating synchronized image information through the control of the 200, and receives the image information in a one-to-one manner with the computer of the PC cluster unit 400. It comprises a multi-projector unit 600 projecting to 700.

The server 200 and the plurality of computers 410, 420, 430, and 440 of the PC cluster unit 400 are connected through the network 300.

The server 200 transmits a batch execution command to a plurality of computers 410, 420, 430, 440 connected to the network 300 in order to collectively control application programs embedded in the plurality of computers 410, 420, 430, 440 of the PC cluster unit 400.

In addition, the server 200 may collectively control an application program presented for starting and terminating a system of the PC cluster unit 400 to operate the plurality of computers 410, 420, 430, and 440 of the PC cluster unit 400 through a network. To pass.

The PC cluster unit 400 transmits a control command to the multi-projector unit 600 through serial communication. Each of the computers 410, 420, 430, 440 of the PC cluster unit 400 and the projectors 610, 620, 630, 640 of the multi-projector unit 600 are connected one by one by the communication line 500, and the image information generated by the PC cluster unit 400 is generated. Projector control commands by the server 200 are individually transmitted to the plurality of projectors 610, 620, 630 and 640.

In addition, the server 200 collectively controls the multi-projector unit 600 may be configured to process the collective ON / OFF of the projector, the pause of the projector and the input source selection.

The collective ON / OFF of the multi-projector unit 600 is for simultaneously controlling a plurality of projectors that are not placed at a distance for manual control by a person. The RS-232C is connected between the PC cluster unit 400 and the multi-projector unit 600. It is desirable to transmit control commands through serial communication.

2 is a diagram schematically showing the internal configuration of a server and a PC according to the present invention.

The server 200 controls the PC operation module 210 for generating a control command for collectively turning on / off a plurality of computers of the PC cluster 400 and the application programs embedded in each computer of the PC cluster 400. Application control module 220 to generate a command to operate, the projector operation module 230 to generate an operation control command of the projector 610 and the projector to generate a control command for pausing the input source selection, the projector 610 It comprises a control module 20.

The control commands generated by each of the modules 210, 220, 230, and 240 of the server 200 are transmitted to each computer of the PC projector unit 400 through a network.

Each computer is configured to receive a control command from the server 200 to perform the same function. Hereinafter, the internal configuration and function of one computer 410 of the PC cluster unit 400 will be described.

Each computer 410 is generated by the PC operating module 210, PC operating unit 411, the application control module 220 for operating the computer according to the control command for the computer ON / OFF received from the network 300 Program operation unit 412 for receiving information from the control command transmitted from the network 300 and generating information about an image to be projected through the projector, and the projector transmitted from the projector operation module 230 and the projector control module 240. And a projector controller 413 which transmits ON / OFF, mute, and input source selection control commands to the projector 610 via serial communication.

The mute of the projector 610 is performed through control code preset in the projector through the presented serial communication, if it can be utilized for imitation / stereo conversion of the image, projector test, projector setting value change, and the like.

The projector's input source selection can be used for mono / stereo conversion of images, multiple input equipment selection, etc., and is controlled through control of input selection control codes such as RGB and DVI through the proposed serial communication.

Control commands transmitted from the server 200 are collectively transmitted to the respective parts of the individual computers 410 of the PC projector unit 400 and the respective computers of the PC projector unit 400 and the projector unit 600 and By controlling the projector, the screen 700 can display an ultra high resolution image or an immersive virtual environment.

3 is a view showing still another configuration of a multi-projection display system according to the present invention.

1 is a server 200 that controls the PC cluster unit 400 and the multi-projector unit 600 is composed of a separate portion connected to the PC cluster unit 400 and the network 300. However, FIG. 3 illustrates that the user interface 100 and the server 200 are provided in the selected computer 700 of the PC cluster unit 400 as the master node 700. Control commands are transmitted from the master node 700 to the slave nodes 420, 430 and 440 using the remaining computers 420, 430 and 440 as slave nodes. but. The computer 700 designated as the master node 700 has another slave node 410 connected to the server therein to transmit image information to one projector 640.

Therefore, the PC cluster 400 is divided into a master node 700 and slave nodes 410, 420, 430, and 440. The PC cluster-based multi-projection display control system is composed of slave nodes (410, 420, 430, 440) responsible for the rendering ring and a master node (700) for controlling application program selection and control and synchronization between images.

The application batch execution command transmitted from the master node 700 to all the slave nodes 410, 420, 430, and 440 is a command to execute the same application program to be executed in the slave nodes 410, 420, 430, and 440 simultaneously. Run the application batch. Thereafter, the master node 700 executes a preselected application program.

4 is a flowchart illustrating a control method of a multi-projection display according to the present invention.

The control method of the PC cluster-based multi-projection display is divided into a method of controlling a PC cluster and a method of controlling a projector.

The method of controlling the PC cluster may include booting the PC cluster (S110), selecting the number of PC clusters of the PC cluster for display when booting (S120), and projecting the synchronized image through the projector when the number of PCs is selected. In step S140, a library of an application program required for selection is selected.

Subsequently, an application program execution step S10 is performed by a command transfer process between PC clusters connected through a network. In the execution of this application program step S10, the PC cluster is divided into a master node and a slave node, and an application program control command is performed in one direction of all slave nodes from the master node.

The batch application execution command transmitted to all slave nodes from the master node is a command to execute the same application program to be executed simultaneously in the slave node. The slave node executes the batch application program according to this command (S150). Simultaneously with the slave node executing the application program (S150), the master node also executes the application program according to this command (S160).

When the user wants to execute or terminate another application in the application execution step (S10), the slave nodes collectively terminate the PC cluster application (S170) by the application batch termination command of the master node (S170). The application termination (S180) of the execution or termination of other applications are made.

When restarting the PC cluster or restarting the PC cluster in step S180 (S191), if the PC cluster is restarted (S191), a batch reboot is executed (S190) and the PC cluster system is shut down (S192). Run the application program suggested for / OFF to shut down the system collectively.

In the case of executing the method of controlling the projector, since the multi-projection display system is composed of a plurality of projectors, the projector is controlled through batch ON / OFF, pause, and input selection control.

In order to project the image onto the screen, the projector batch ON selection step S210 is first performed. Projector batch ON is performed simultaneously by sending control commands to all projectors via serial communication between the PC cluster and the projector.

Since the multi-projection display needs to be displayed while converting stereo stereoscopic images and mono according to a user's request, stereo / mono selection is performed (S220).

Subsequently, an application program is executed to process an image on the screen by a plurality of projectors.

After that, the selection process (S230) for the projector input selection, pause, and batch OFF process is performed. The projector input selection step S240 and the projector pause selection step S250 are used to individually control the projector and are performed according to control code control. In addition, the pause of the projection rather than the shutdown of the projector system is configured by various input source selection functions such as RGB and DVI.

After the projector input selection step (S240) and the projector pause selection step (S250) is in progress, the application program execution step (S10) proceeds again and the subsequent process is repeated again.

When the projector batch termination step S260 is performed, the control code corresponding to OFF is transmitted to all the projectors through serial communication between the PC cluster and the projector as in the projector batch ON step S210.

Although the present invention has been described in more detail with reference to some embodiments, the present invention is not necessarily limited to these embodiments, and various modifications can be made without departing from the spirit of the present invention.

As described above, the control system and method of the PC cluster-based multi-projection display according to the present invention can easily and quickly select a menu and an icon of an interface while controlling the PC cluster and the projector easily and quickly with an ultra high resolution image expression. In immersive virtual environment representation, it is possible to intuitively control programs and operations of PCs and projectors that require repetitive execution to enable collective operation.

In addition, the control system and method of the PC cluster-based multi-projection display according to the present invention represents a standardized interface to provide a software platform required for building a system using a plurality of PC clusters and projectors, and a large display with a virtual reality system. As a medium, it can be used for applications such as movies, advertisements, home theaters, computational cluster control systems for scientific data processing such as meteorology, celestial bodies, chemistry, biotechnology, and fast rendering operations such as rental farms. It has an effect.

Claims (14)

A user interface for inputting information for displaying an image synchronized by a plurality of projectors; On the basis of the information input from the user interface, the operation of the plurality of computers and the applications embedded in the plurality of computers are collectively controlled, and the execution of the applications allows the plurality of projectors to project synchronized images. A server for collectively controlling the projectors; A PC cluster unit having a plurality of computers for generating synchronized image information by executing an application program under the control of the server; And a multi-projector unit configured to receive the image information one-to-one with the PC cluster unit and project the image onto a screen. The method of claim 1, The collective control of the application program by the server is a control system of a PC cluster-based multi-projection display, characterized in that the batch execution command to a plurality of computers via the network to the computer. The method of claim 2, The multi-computer operation of the server is a control system of a PC cluster-based multi-projection display, characterized in that via the network to transmit a command to collectively control the application programs proposed for the system batch start and end of the PC cluster unit. The method of claim 3, wherein Controlling the plurality of projectors collectively includes controlling the collective ON / OFF of the projector, pausing the projector and selecting an input source. The method of claim 4, wherein The PC cluster and the multi-projector unit control system of the PC cluster-based multi-projection display, characterized in that for transmitting a control command via serial communication. On the basis of the input information, a computer designated as a master node which collectively controls synchronization between images through operations of a plurality of computers and an application program embedded in the plurality of computers, and an application program for rendering according to a command of the master node A PC cluster unit connected to a network by a plurality of computers designated as slave nodes to execute and generate image information; Control system of a PC cluster-based multi-projection display comprising a multi-projector unit having a plurality of projectors for projecting the image on the screen by using the generated image information The method of claim 6, And the master node collectively controls the projectors of the multi-projector unit through serial communication. The method of claim 7, wherein The master node is a control system of the PC cluster-based multi-projection display, characterized in that by turning on / off the projector of the multi-projector collectively via serial communication. The method of claim 7, wherein The control system of the PC cluster-based multi-projection display, characterized in that for performing the control code preset in the projector via the serial communication, the image conversion of the mono / stereo, projector test, projector setting value. The method of claim 7, wherein The control system of the PC cluster-based multi-projection display, characterized in that for selecting the input source of the projector through the input selection control code control through the serial communication. Inputting information for displaying an image synchronized by the plurality of projectors; On the basis of the input information, a plurality of projectors are controlled to collectively control operations of a plurality of computers and applications embedded in the plurality of computers, and to execute a plurality of projectors to project synchronized images. Batch control; Generating an image under control of the application program; And receiving the generated image information and projecting the image onto a screen. The method of claim 11, The control of the operation of the plurality of computers, PC cluster-based multi-projection display control method, characterized in that the on / off, booting the PC cluster, the library of the application program is selected after selecting the number of computers in the booted PC cluster. The method of claim 11, And controlling the application program collectively by transmitting a command from a master node controlling the selection of the application and synchronization between images to a slave node in charge of rendering. The method according to claim 11, wherein The controlling of the plurality of projectors is performed by controlling collective ON / OFF, pause, and input selection of a plurality of projectors.

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