KR20200005069A - Media-Facade system and method of controlling the same - Google Patents

Abstract

According to one embodiment of the present invention, a media-façade system comprises: a terminal (100) for inputting media-façade information; and a plurality of media-façade processors (200) processing the media-façade information transmitted from the terminal (100) and transmitting the media-façade information to a plurality of LED lighting devices (310, 320). According to an embodiment of the present invention, the media-façade system and a control method thereof may divide a display image for media-façade in units of pixels and capturing each pixel in real time to respectively transmit each pixel to a corresponding LED lighting device, thereby easily controlling the media-façade display.

Description

Media facade system and method of controlling the same

The present invention relates to a media facade system and a method of controlling the same, and more particularly, to a media facade system and a method of controlling the same, capable of easily producing an image.

In general, media facades are equipped with a large number of LED lighting devices on the exterior walls of buildings to express various advertisements or works of art. However, these LED lighting devices can be combined and fastened to express various advertisements or artworks with light. Can be.

Here, the media facade is a compound word of 'facade' and 'media' that refers to the exterior of the building, and it is used to implement the media function by installing LED lighting on the exterior wall of the building. It means to use as a space.

This media facade is a form of digital signage because it uses urban architecture as a medium to convey information as well as visual beauty, and is emerging as a new trend of 21st century architecture combining lighting image information technology. .

However, since the conventional media facade technology has to control each lighting fixture independently, it is cumbersome to set and mark an identifier, for example, an Internet Protocol (IP), for each lighting fixture, and to check the identifier again when replacing the lighting fixture. There is difficulty.

Such conventional media facade technology requires development of system control technology and editing software technology capable of freely controlling a plurality of lights in order to reinforce the technology related to digital shinage.

Patent Document: Patent Publication No. 10-1408248

The present invention has been made to solve the above problems, an object of the present invention is to provide a media facade system that can easily perform a media facade image production using a plurality of lighting fixtures.

Another object of the present invention is to provide a control method of a media facade system that can easily perform media facade image production using a plurality of lighting fixtures.

A media facade system according to an embodiment of the present invention includes a terminal 100 for inputting media facade information; And a plurality of media facade processors 200 for processing the media facade information transmitted from the terminal 100 and transmitting the processed media facade information to the plurality of LED lighting devices 310 and 320.

In the media facade system according to an embodiment of the present invention, the plurality of media facade processors 200 are wired or wirelessly connected in any one of a cascade method, a ring method, and a star method. It features.

In the media facade system according to an embodiment of the present invention, each of the plurality of media facade processors 200 receives and processes mapping information and environment information input through the terminal 100 and processes the first signal converter 211. ; A second signal converter 212 configured to receive and process the display image information input through the terminal 100; A controller 213 for processing and transferring information transmitted from the first signal converter 211 and the second signal converter 212; An interface unit 214 for transmitting the information received from the control unit 213 to another media facade processor; And a plurality of output units 215-1, 215-2,... 215-n for operating each of the plurality of LED lighting devices 310, 320 according to the information received from the controller 213. do.

In the media facade system according to an embodiment of the present invention, the mapping information includes a capture address indicating a coordinate of a pixel to be captured in a display image divided by pixels and an LED lighting device 310 or 320 to map the captured pixel. It is characterized in that it comprises a display address (display address) indicating the coordinates of.

In the media facade system according to an embodiment of the present invention, the environment information is a device number indicating the number of each of the plurality of media facade processors 200 to be set, and the number of pixels per channel of each of the LED lighting devices 310 and 320. It characterized in that it comprises a channel maximum value (channel max).

Or, the control method of the media facade system according to another embodiment of the present invention (A) when the user inputs the display image information, mapping information and environmental information for the media facade through the terminal 100, the terminal 100 Transmitting the display image information, the mapping information, and the environment information to a plurality of media facade processors 200 while dividing the display image for the input media facade by a pixel unit; (B) the control unit 213 of each of the plurality of media facade processors 200 extracting capture address information and display address information from the mapping information; (C) the picker logic 213-1 of the controller 213 determines whether the extracted capture address is equal to the PCLK (Pixel Clock) information counted for real-time image data; (D) If the extracted capture address is the same as the PCLK (Pixel Clock) information counted for the real-time image data, the picker logic 213-1 of the controller 213 extracts the display address corresponding to the extracted capture address. Making; (E) storing, by the picker logic (213-1) of the controller (213), one pixel information input simultaneously with the counted PCLK in a corresponding area of the memory (213-2); (F) determining whether the picker logic (213-1) of the controller (213) has received VSYNC (vertical synchronization signal) information indicating that one frame input is completed; And (G) the picker logic 213-1 of the controller 213 is initialized and extracts next capture address information.

In the control method of the media facade system according to another embodiment of the present invention, the step (A) may be performed by checking the device number of each of the plurality of media facade processors 200 and a preset device number and matching the same. And setting the mapping information and the environment information in the memory 213-2.

In the control method of the media facade system according to another embodiment of the present invention, the step (A) checks the device number of each of the plurality of media facade processors 200 and the preset device number, and if not, the controller ( The picker logic 213-1 of 213 transmits the mapping information and the environmental information to the image transmission logic 213-4 and a signal for remote control of another media facade processor.

In the method for controlling a media facade system according to another embodiment of the present invention, the step (E) may include (E-1) storing the pixel information in the form of a memory map; (E-2) the output logic 213-3 sequentially reading the pixel information stored in the form of the memory map; And (E-3) outputting the output logic 213-3 according to protocol information and channel max included in the environment information.

In the control method of the media facade system according to another embodiment of the present invention, in step (F), as the VSYNC information is received, the picker logic 213-1 of the control unit 213 outputs logic 213-3. It is characterized in that for transmitting the signal of the frame (Frame Done).

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings.

Prior to this, the terms or words used in this specification and claims should not be interpreted in a conventional, lexical sense, and the inventors will appropriately define the concept of terms in order to best explain their invention in the best way possible. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that it can.

According to an embodiment of the present invention, a media facade system and a control method thereof divide a display image for a media facade into pixel units, capture each pixel in real time, and transmit the captured image to each corresponding LED lighting device. There is an effect that can easily control the direction.

The media facade system and its control method according to an embodiment of the present invention can be implemented using an FPGA device having a small internal memory by storing only necessary pixels without storing the entire pixel of the image frame for the media facade. There is.

1 is a block diagram of a media facade system according to an embodiment of the present invention.
FIG. 2 is a block diagram of the media facade processor shown in FIG. 1; FIG.
3 is a configuration diagram of the control unit illustrated in FIG. 2.
4 is a flowchart illustrating a control method of a media facade system according to another embodiment of the present invention.
5 is an exemplary diagram illustrating a memory map set according to a control method of a media facade system according to another exemplary embodiment of the present invention.
6 is an exemplary view showing a frame according to a control method of a media facade system according to another embodiment of the present invention.

The objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments in conjunction with the accompanying drawings. In the present specification, in adding reference numerals to the components of each drawing, it should be noted that the same components as possible, even if displayed on different drawings have the same number as possible. In addition, terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. In addition, in describing the present invention, if it is determined that the detailed description of the related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is a block diagram of a media facade system according to an embodiment of the present invention, FIG. 2 is a block diagram of a media facade processor shown in FIG. 1, and FIG. 3 is a block diagram of a control unit shown in FIG.

The media facade system according to an embodiment of the present invention processes the media facade information transmitted from the terminal 100 and the terminal 100 for inputting the media facade information and transmits the plurality of LED lighting devices 310 and 320 to the plurality of LED lighting devices. The media facade processor 200 is included. The media facade system according to an embodiment of the present invention divides the display image for the media facade input through the terminal 100 into pixels, and captures each pixel to correspond to the LED lighting device. It transmits to (310,320) respectively and controls the media facade.

The terminal 100 may include, for example, an input device such as a notebook computer, a PDA, or a PC, and may receive display image information, mapping information, and environmental information for a media facade from a user through a wired or wireless communication method.

In this case, the display image information input to the terminal 100 and processed includes RGB color information, vertical synchronization signal (VSYNC) information, horizontal synchronization signal (HSYNC) information, pixel clock (PCLK) information, and real-time video interface information. Here, the real-time video interface information may include, for example, a digital visual interface (DVI), a high definition multimedia interface (HDMI), a video graphics array (VGA), a display parallel interface (DPI), and a display serial interface (DSI). .

The mapping information includes a capture address indicating a coordinate of a pixel to be captured in a display image divided by pixel and a display address indicating a coordinate of the LED lighting devices 310 and 320 to be mapped to the captured pixel. .

The environmental information includes a device num indicating the number of each of the media facade processors 210, ... 2nn to be set, and a channel max indicating the number of pixels per channel of each of the LED lighting devices 310 and 320. .

The plurality of media facade processors 200 may include an nth media facade processor 2nn from the first media facade processor 210, and may be one of a cascade, ring, and star methods. In either manner, the wired or wireless connection may be performed or may be operated separately.

In the plurality of media facade processors 200, each of the nth media facade processors 2nn from the first media facade processor 210 may have the same internal configuration, and thus, as illustrated in FIG. 2, through the terminal 100. The first signal converter 211 for receiving and processing the input mapping information and the environment information, The second signal converter 212 and the first signal conversion for receiving and processing the display image information input through the terminal 100. Control unit 213 for processing and transferring the information transmitted from the unit 211 and the second signal conversion unit 212, the interface unit 214 and the control unit for transferring the information received from the control unit 213 to another media facade processor A plurality of output units (215-1, 215-2, ... 215-n) for operating the LED lighting device 310 according to the information received from the (213).

The first signal converter 211 receives the mapping information and the environment information input through the terminal 100 and controls the mapping information and the environment information for the LED lighting device 310 through a control bus. ) Or the remote control information included in the environmental information may be separately transmitted to the controller 213.

The second signal converter 212 receives the real-time display image information input through the terminal 100 and transmits RGB color information, VSYNC information, HSYNC information, PCLK information, and real-time image interface information to the controller 213. .

The controller 213 may include a semiconductor device in the form of a field-programmable gate array (FPGA), for example. The controller 213 processes the information transmitted from the first signal converter 211 and the second signal converter 212 to process RGB color information, VSYNC information, HSYNC information, PCLK information, and real time to be processed in another media facade processor. The image interface information is transmitted to the interface unit 214, and information for controlling the operation of the LED lighting device 310 is transmitted to the plurality of output units 215-1, 215-2, ... 215-n.

In detail, the controller 213 controls the picker logic 213-1, the memory 213-2, the output logic 213-3, and the image transmission logic 213-4, as shown in FIG. Include.

The picker logic 213-1 detects a corresponding capture address and a display address from mapping information, environment information, and real-time display image information received from the first signal conversion unit 211 and the second signal conversion unit 212. It is determined whether the counted PCLK (Pixel Clock) information is the same as the corresponding capture address, and the corresponding pixel information is stored in the memory 213-2. When one frame input is completed, the frame is output to the output logic 213-3. Deliver the signal of completion (Frame Done).

The output logic 213-3 is connected to the picker logic 213-1 and the memory 213-2 on one side and connected to the plurality of LED lighting devices 310 on the other side of the picker logic 213-1. According to the control, the pixel information stored in the memory 213-2 is sequentially read, and the LED information is outputted to the LED lighting device 310 according to the protocol information and the channel max included in the environment information. ).

The image transmission logic 213-4 is connected to the first signal conversion unit 211 and the second signal conversion unit 212 on one side and to the interface unit 214 on the other side, so that the remote control information and other media facade processor The RGB color information to be processed, the VSYNC information, the HSYNC information, the PCLK information, and the real time video interface information are transmitted to the interface unit 214. In this case, the interface unit 214 may be wired or wirelessly connected to the other media facade processor by any one of a cascade method, a ring method, and a star method.

The media facade system according to an embodiment of the present invention configured as described above divides the display image for the media facade into pixel units, captures each pixel in real time, and delivers the pixels to the corresponding LED lighting devices 310 and 320. The media facade can be easily controlled.

Hereinafter, a method of controlling a media facade system according to another embodiment of the present invention will be described with reference to FIGS. 4 to 6. 4 is a flowchart illustrating a control method of a media facade system according to another embodiment of the present invention, and FIG. 5 is an exemplary view showing a memory map set according to a control method of a media facade system according to another embodiment of the present invention. 6 is an exemplary view showing a frame according to a control method of a media facade system according to another embodiment of the present invention.

In the control method of the media facade system according to another embodiment of the present invention, when a user inputs display image information, mapping information, and environment information for the media facade through the terminal 100, the terminal 100 inputs the input media facade. The display image information, mapping information, and environment information for the media facade are transmitted to the plurality of media facade processors 200 while dividing the display images for each pixel unit.

Here, the display image information input through the terminal 100 is transmitted through the first to the N-1 th frame in the frame form shown in FIG. 6, and the mapping information and the environmental information correspond to the last N th frame. Can be delivered through. At this time, the device number of the media facade processor included in the mapping information and the environment information is checked to match the device number preset in each media facade processor to process the corresponding mapping information and the environment information.

On the other hand, the control unit 213 of the first media facade processor 210 extracts the capture address information and the display address information from the mapping information received from the first signal converter 211 (S410).

Specifically, the user inputs the display image information for the media facade through the terminal 100, while counting the PCLK of the real-time image data of the display image information

{

"command": "map",

"device": 1,

"map": [

[0, 0],

[10, 1],

[20, 2],

[30, 180],

......

[Nth capture address, Nth display address]

]

}

Mapping information including the map data format created by the above-described method can be set, and a capture address and a display address can be set. For example, at 800 × 480 resolution, the capture address of x = 10 and y = 20 coordinates can be set to 800 × 20 + 10 = 16010, and the display address is set based on each channel max. For the channel maximum of, the display address for the 10th LED luminaire of the second channel can be set to 170 + 10 = 180. That is, when expressed as map data, it is [16010, 180].

Alternatively, the user inputs environment information for the media facade through the terminal 100, for example,

{

"command": "config",

"device": 1,

"protocol": "DMX",

"output max": 8,

"channel max": 180

}

You can set the environment information, including the environment data format created by. That is, the number of the LED lighting device to be set, the protocol of the LED lighting device, the number of output channels and the number of LED lighting devices for each channel can be set.

On the other hand, the first signal converter 211 of the first media facade processor 210 checks and matches the device number of each of the nth media facade processor 2nn with the preset device number from the first media facade processor 210. In this case, the picker logic 213-1 of the controller 213 sets mapping information and environment information in the memory 213-2.

On the other hand, if the device number of each of the nth media facade processor 2nn and the preset device number are not matched with each other from the first media facade processor 210, the picker logic 213-1 of the control unit 213 It transmits mapping information and environment information to the image transmission logic 213-4, and a signal for remote control of another media facade processor.

Here, the first signal converter 211 may transfer mapping information and environment information input through the terminal 100 to the memory 213-2 of the controller 213 through a control bus. In this case, the mapping information and the environment information are delivered in a control memory map, and the capture address information is stored in an address area of 0 to N (corresponding to the total number of LED lighting devices) of the map, and display address information. Is stored in the (N + 1) ~ 2N address area of the map, the environment information may be stored in the 2N + 1 address area of the map.

The capture address information and the display address information of the mapping information are stored in pairs in the control memory map. For example, the fifth capture address information and the display address information are stored in the 5 address and the N + 5 address of the control memory map, respectively. Can be. In addition, the capture address information and the display address information of the mapping information may be stored in an ascending order based on the capture address. That is, the values of the low capture address are sorted and stored in the order of the high capture address.

For example, in the control memory map shown in FIG. 3, the capture address information set in the 0x00000 to 0x7FFF addresses, the display address information set in the 0x08000 to 0xFFFF addresses, and the environmental information including the channel maximum value set in the 0x10000 address and other settings may be provided. have.

When the control memory map set as described above is transferred to the control unit 213 through the first signal conversion unit 211, the control unit 213 captures capture address information and 0x08000 to 0xFFFF stored in 0x00000 to 0x7FFF in the control memory map shown in FIG. 3. It is possible to extract the display address information stored at

With respect to the extracted capture address information, the picker logic 213-1 of the controller 213 determines whether the extracted capture address is the same as the PCLK (Pixel Clock) information counted for the real-time image data (S420).

If the extracted capture address is the same as the PCLK (Pixel Clock) information counted for the real-time image data, the picker logic 213-1 of the controller 213 extracts the display address corresponding to the capture address (S430).

For example, if the capture address corresponding to the 5 address of the control memory map is equal to the counted clock clock (PCLK) information, the picker logic 213-1 selects the display address corresponding to the N + 5 address of the control memory map. Can be extracted.

Next, the picker logic 213-1 stores one pixel information input simultaneously with the counted PCLK in the corresponding area of the memory 213-2 (S440).

The stored pixel information may be stored in the form of a memory map shown in FIG. 5, and these memory maps are sequentially read by the output logic 213-3, and protocol information and channel maximum value (channel) included in the environmental information are stored. max) to be output to the LED lighting device 310 can operate the LED lighting device 310.

Thereafter, the picker logic 213-1 determines whether VSYNC (vertical synchronization signal) information indicating whether one frame input is completed (S450).

Upon receiving the VSYNC information, it is determined that one frame input is completed, and the picker logic 213-1 transmits a signal of frame completion to the output logic 213-3.

Thereafter, the picker logic 213-1 is initialized and the next capture address information is extracted (S460).

According to the extracted capture address information, the picker logic 213-1 may repeatedly perform the above-described process to display another pixel of the display image on the LED lighting device 310.

The control method of the media facade system according to another embodiment of the present invention including such a process divides the display image for the media facade into units of pixels, captures each pixel in real time, and corresponds to the corresponding LED lighting devices 310 and 320. ), The media facade can be easily controlled.

Although the technical spirit of the present invention has been described in detail according to the above-described preferred embodiment, it should be noted that the above-described embodiments are for the purpose of description and not of limitation.

In addition, those skilled in the art will understand that various implementations are possible within the scope of the technical idea of the present invention.

100: terminal 200: a plurality of media facade processor
210: first media facade processor 220: second media facade processor
2nn: nth media facade processor 211: first signal converter
212: second signal converter 213: controller
213-1: Picker Logic 213-2: Memory
213-3: Output Logic 213-4: Video Transmission Logic
215-1: first output unit 215-2: second output unit
215-n: nth output part 310,320: LED lighting device

Claims (10)

A terminal 100 for inputting media facade information; And
A plurality of media facade processors 200 for processing the media facade information transmitted from the terminal 100 and transmitting the processed media facade information to the plurality of LED lighting devices 310 and 320;
Media facade system comprising a.
The method of claim 1,
The media facade processor (200) is a media facade system, characterized in that wired or wirelessly connected by any one of a cascade (Ring) method and a ring (Star) method.
The method of claim 1,
Each of the plurality of media facade processors 200
A first signal converter 211 receiving and processing mapping information and environment information input through the terminal 100;
A second signal converter 212 configured to receive and process the display image information input through the terminal 100;
A controller 213 for processing and transferring information transmitted from the first signal converter 211 and the second signal converter 212;
An interface unit 214 for transmitting the information received from the control unit 213 to another media facade processor; And
A plurality of output units (215-1, 215-2, ... 215-n) for operating each of the plurality of LED lighting devices (310, 320) according to the information received from the control unit (213);
Media facade system comprising a.
The method of claim 3, wherein
The mapping information includes a capture address indicating a coordinate of a pixel to be captured in a display image divided by pixel, and a display address indicating a coordinate of the LED lighting devices 310 and 320 to be mapped to the captured pixel. Media facade system comprising a.
The method of claim 3, wherein
The environmental information includes a device number indicating a number of each of the plurality of media facade processors 200 to be set, and a channel max value indicating a number of pixels per channel of each of the LED lighting devices 310 and 320. Media facade system, characterized in that.
(A) When a user inputs display image information, mapping information, and environment information for a media facade through the terminal 100, the terminal 100 divides the display image for the media facade input by a pixel unit. Transmitting the display image information, the mapping information, and the environment information to a plurality of media facade processors;
(B) the control unit 213 of each of the plurality of media facade processors 200 extracting capture address information and display address information from the mapping information;
(C) the picker logic (213-1) of the controller (213) determines whether the extracted capture address is equal to the PCLK (Pixel Clock) information counted for real-time image data;
(D) If the extracted capture address is the same as the PCLK (Pixel Clock) information counted for real-time image data, the picker logic 213-1 of the controller 213 extracts a display address corresponding to the extracted capture address. Doing;
(E) storing, by the picker logic (213-1) of the controller (213), one pixel information input simultaneously with the counted PCLK in a corresponding area of the memory (213-2);
(F) determining whether the picker logic 213-1 of the controller 213 has received VSYNC (vertical synchronization signal) information indicating that one frame input is completed; And
(G) picker logic (213-1) of the control unit (213) is initialized, and extracting next capture address information;
Control method of the media facade system comprising a.
The method of claim 6,
In the step (A), when the device numbers of the plurality of media facade processors 200 and the predetermined device numbers are matched with each other, the picker logic 213-1 of the controller 213 stores the memory 213-2. And setting the mapping information and the environment information to the media facade system.
The method of claim 6,
In the step (A), if the device numbers of the plurality of media facade processors 200 and the preset device numbers do not match, the picker logic 213-1 of the control unit 213 controls the control unit 213. And transmitting the mapping information and the environment information to the image transmission logic 213-4, and a signal for remote control of another media facade processor.
The method of claim 6,
Step (E) is
(E-1) storing the pixel information in the form of a memory map;
(E-2) sequentially reading out the pixel information stored in the form of the memory map by the output logic (213-3) of the controller (213); And
(E-3) outputting by the output logic 213-3 according to protocol information and channel max included in the environment information;
Control method of a media facade system comprising a.
The method of claim 6,
In the step (F), as the VSYNC information is received, the picker logic 213-1 of the controller 213 transmits a signal of frame completion to the output logic 213-3 of the controller 213. Control method of a media facade system, characterized in that it delivers.

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