TWI791987B - High-quality image transmission method - Google Patents

Abstract

A high-definition image transmission method is applicable to the application of a high-definition image transmission device, the device is electrically connected to several image processors (Graphics Processing Unit, GPU) and a network switch, each image processing The device includes a circuit board, several image transmission interfaces, several Internet protocol (Internet Protocol, IP) interfaces, and a MxM display chip (graphics chip) module. In this way, the present invention designs an MxM display chip module according to the industry standard MxM specification, as long as it is directly plugged into the circuit board, It can transmit high-quality images, and convert the HDMI 2.0 image signal to the IP network (10G) with zero delay and no compression through the internal SDVoE standard, and make a graphics card with SDVoE output. The characteristics of the image processor have been replaced by the times, but the MxM specification will not change. Just replace the MxM display chip module, and it is not necessary to redesign the entire graphics card board every time, so as to effectively reduce the waste of resources and save the environment. Energy saving.

Description

High-quality image transmission method

The invention relates to a high-quality image transmission method, especially to a method based on the industry The industry-standard MxM specification and Software Defined Video over Ethernet (SDVoE) technology convert High Definition Multimedia Interface (HDMI) 2.0 image signals to Internet Protocol (Internet Protocol, The graphics card (graphics card) output by SDVoE on the IP) network, especially refers to the characteristics that the Graphics Processing Unit (GPU) can be replaced at any time, and only the MxM display chip (graphics chip) on the circuit board is modeled Group replacement without redesigning the entire graphics card board.

As information dissemination becomes faster and faster, people's demand for image quality and processing speed It is also getting higher and higher. For example, in fields such as game entertainment, digital surveillance, retail shopping malls, public transportation, and medical imaging, image processing solutions with high performance and long-term stable operation are required.

On the basis of the existing graphics card market, since graphics cards are all HDMI digital video interface Standard output (HDMI displayport out), and the traditional display chip has its own image processor level (GPU-level) with established specifications, and the system has been replacing different integrated circuits (Integrated Circuit, IC) with the specifications of GPU graphics cards. Processing level, but with the advancement of imaging technology in the future, the imaging IC will have to be updated, resulting in the IC board being redesigned all the time, forming a vicious circle of waste of resources. Therefore, general users cannot meet the needs of users in actual use.

The main purpose of the present invention is to overcome the above-mentioned problems encountered in the prior art and provide Provides a graphics card that converts HDMI 2.0 video signals to IP networks based on the industry standard MxM specification and SDVoE technology to make SDVoE output, so that the characteristics of the image processor can be replaced at any time, but the MxM specification will not change , as long as the MxM display chip module on the circuit board is replaced, there is no need to redesign the entire graphics card board every time, so as to achieve a high-quality image transmission method that effectively reduces resource waste and saves energy and carbon for the environment.

To achieve the above purpose, the present invention is a high-quality image transmission method, which at least includes It includes the following steps: Step 1: Electrically connect a network switch to a first image processor and a second image processor among several image processors, wherein each image processor includes a A circuit board, several image transmission interfaces electrically connected to the circuit board, several IP interfaces electrically connected to the circuit board, and a replaceable insert on the circuit board to be electrically connected to the circuit board , and the MxM display chip module electrically connected to the image transmission interfaces and the IP interfaces through the circuit board, and the MxM display chip module is provided with an input/output (Input/Output, I/O) bus and a fast peripheral component interconnect (Peripheral Component Interconnect Express, PCI-E) bus; Step 2: electrically connect the first image processor to an image source, and electrically connect the second image processor to a Image receiving end; and step 3: the MxM display chip module utilizes the SDVoE standard, and one of the first image processors among the image processors transmits from the When the image source receives a high-definition video signal, it converts the high-definition video signal into an IP signal in a zero-delay and uncompressed form and outputs it to the network through one of the first IP interfaces of the IP interfaces switch, when a second image processor of the image processors receives the IP signal from the network switch via a second IP interface of the IP interfaces, with zero delay and no compression Convert the IP signal back to the high-definition video signal in the form of a second video transmission interface and output it to the video receiving end through a second video transmission interface for playback.

In the above-mentioned embodiment of the present invention, these image processors are through CAT-6, CAT-7 The standard network cable or fiber (Fiber) is connected to the network switch.

In the above-mentioned embodiment of the present invention, the circuit board is provided with a MxM slot, and the MxM The display chip module is replaceably plugged into the MxM slot and electrically connected with the circuit board.

In the above-mentioned embodiments of the present invention, the several image transmission interfaces are HDMI, digital video Digital Visual Interface (DVI), Serial Digital Interface (SDI), Digital Video Interface Standard (DisplayPort, DP) or a combination thereof.

In the above embodiments of the present invention, the IP interfaces support up to 10 GbE connections.

In the above-mentioned embodiments of the present invention, the high-quality image signal is HDMI 2.0, DVI, Video signal of SDI or DP standard.

In the above-mentioned embodiment of the present invention, the high-definition image signal is the HDMI 2.0 standard 4K resolution video signal.

In the above-mentioned embodiment of the present invention, the I/O bus has the specification of HDMI 2.0 x N grid.

In the above embodiments of the present invention, the network switch is a switching hub.

In the above embodiments of the present invention, the image source is a computer or a mobile phone.

In the above embodiments of the present invention, the image receiving end is a display.

Please refer to "Fig. 1 to Fig. 3", which are the heights of one embodiment of the present invention. Schematic flow chart of a high-quality video transmission method, and a framework of a high-quality video transmission device according to an embodiment of the present invention Structural diagram, and a schematic diagram of the use state of an embodiment of the present invention. As shown in the figure: the present invention is a high-quality image transmission method, which is suitable for the application of a high-quality image transmission device 100. The device 100 is electrically connected to several graphics processing units (Graphics Processing Unit, GPU) 1, 1a...N and a network switch 2, each image processor 1, 1a includes a circuit board 11, 11a, several image transmission interfaces 12, 12a, several Internet protocol (Internet Protocol, IP) interfaces 13, 13a, and a MxM display chip (graphics chip) module 14, 14a; when used, the proposed method of the present invention includes the following steps:

Step 1 s1: connecting the network switch 2 with the plurality of image processors 1, 1a...N One of the first image processor 1 and a second image processor 1a are electrically connected, wherein each image processor 1, 1a is provided with an MxM slot on the circuit board 11, 11a (Fig. not shown), the several image transmission interfaces 12, 12a are respectively electrically connected to the circuit boards 11, 11a, the several Internet protocol interfaces 13, 13a are respectively electrically connected to the circuit boards 11, 11a, and The MxM display chip module 14, 14a is replaceably inserted in the MxM slot and electrically connected with the circuit board 11, 11a, and communicates with the image transmission interfaces 12, 12a through the circuit board 11, 11a and these IP interfaces 13, 13a are electrically connected, and the MxM display chip module 14, 14a is provided with an input/output (Input/Output, I/O) bus bar 141, 141a and a fast peripheral component interconnection (Peripheral Component Interconnect Express, PCI-E) bus 142, 142a.

Step 2 s2: electrically connect the first image processor 1 to an image source 3, the The second image processor 1 a is electrically connected to an image receiving end 4 .

Step 3 s3: The MxM display chip module 14, 14a uses software to define the Ethernet Network video (Software Defined Video over Ethernet, SDVoE) standard, in one of the image processors 1, 1a, the first image processor 1 transmits the first image through one of the image transmission interfaces 12, 12a When the interface 12 receives a high-definition video signal from the video source 3, it is zero Convert the high-definition video signal into an IP signal in a delayed and uncompressed form and pass through the IP interfaces 13 One of the first IP interface 13 in 13a is output to the network switch 2, and one of the second image processor 1a in the image processors 1, 1a is output to the network switch 2 through one of the IP interfaces 13, 13a When the second IP interface 13a receives the IP signal from the network switch 2, it converts the IP signal back to the high-definition video signal in a zero-delay and uncompressed form and transmits it through the video transmission interfaces 12, 12a. One of the second image transmission interfaces 12a outputs to the image receiving end 4 for playback. If so, a brand-new high-quality image transmission method is constituted by the above disclosed process.

In a preferred embodiment of the present invention, through the above-mentioned high-quality image transmission device Set 100 to carry out the above process, the improved image quality image transmission device 100 of the present invention mainly includes a network switch 2 (such as: a switching hub) and several image processors 1, 1a, wherein the image processor 1 is used as the first An image processor 1, the image processor 1a serves as the second image processor 1a. It should be understood that although FIG. 2 only shows two image processors 1, 1a, this does not limit the present invention. In practice, the high-quality image transmission device 100 can be expanded with more image processors.

In terms of architecture, the image processors 1, 1a are electrically connected to the network switch 2; For example, the image processors 1 and 1a are connected to the network switch 2 through CAT-6, CAT-7 network cables or optical fiber (Fiber), and the IP interfaces 13 and 13a support up to 10 GbE connection Line, wherein the first image processor 1 is electrically connected to an image source 3, and the second image processor 1a is electrically connected to an image receiving end 4. In this embodiment, the video source 3 is a high-quality video signal with a resolution of 4K and a frame rate of 60P in the HDMI 2.0 standard, and the video transmission interfaces 12 and 12a are in the HDMI 2.0 standard. Moreover, the I/O busbar in the MxM display chip module 14, 14a has the specification of HDMI 2.0 x 4 pieces. It should be understood that although only four image transmission interfaces 12, 12a and IP interfaces 13, 13a are shown in Figure 1, this does not limit the present invention. In practice, the high-definition image transmission device 100 can expand more image transmission Interface 12, 12a and IP interface 13, 13a.

When in use, for example, the first image processor 1 via these image transmission interfaces One of 12 receives high-quality video signals from video sources 3 (such as computers, mobile phones, etc.), and the MxM display chip module 14 utilizes the Software Defined Video over Ethernet (SDVoE) standard , convert the high-definition video signal into an IP signal in the form of zero delay and no compression, and output the IP signal to the network switch 2 through one of the IP interfaces 13, and the network switch 2 Send the IP signal to the second image processor 1a, and after receiving the IP signal from the network switch 2 through one of the IP interfaces 13a, the MxM display chip module 14a utilizes the SDVoE standard to achieve zero delay 1. Convert the IP signal back to a high-definition image signal in an uncompressed form, and output the high-definition image signal to the image receiving terminal 4 (such as a display) through one of the image transmission interfaces 12a for playback.

Thus, the present invention designs an MxM display chip module according to the industry standard MxM specification. As long as you directly plug in the circuit board, you can transmit high-quality images. Through the internal SDVoE standard, the HDMI 2.0 image signal is converted to the IP network (10G) with zero delay and no compression. SDVoE output graphics card, so that the characteristics of the image processor can be replaced at any time, but the MxM specification will not change, as long as the MxM display chip module is replaced, there is no need to redesign the entire graphics card board every time, To effectively reduce the waste of resources and reduce energy and carbon for the environment.

To sum up, the present invention is a high-quality image transmission method, which can effectively improve conventional According to the industry standard MxM specification and SDVoE technology, the video signal of HDMI 2.0 is converted to the IP network, and the graphics card with SDVoE output is made, so that the characteristics of the image processing unit (GPU) can be replaced at any time, but MxM The specifications will not change, as long as the MxM display chip module on the circuit board is replaced, it is not necessary to redesign the entire graphics card board every time, so as to effectively reduce resource waste and save energy and carbon for the environment, and then make the present invention If the product is more advanced, more practical, and more in line with the needs of users, and has indeed met the requirements for invention patent application, the patent application shall be filed in accordance with the law.

However, what is described above is only a preferred embodiment of the present invention, and should not be limited thereto. The scope of the implementation of the present invention; therefore, all brief descriptions made according to the scope of patent application for the present invention and the content of the description of the invention Any single equivalent change and modification shall still fall within the scope covered by the patent of the present invention.

100: High-definition image transmission device 1, 1a: image processor 11, 11a: circuit board 12, 12a: Image transmission interface 13, 13a: Internet protocol interface 14, 14a: MxM display chip module 141, 141a: input/output bus bars 142, 142a: Fast Peripheral Component Interconnect Busbar 2: Network switch 3: Image source 4: Image receiver 3: Step s1 ~ Step s

FIG. 1 is a schematic flowchart of a high-quality image transmission method according to an embodiment of the present invention. Fig. 2 is a schematic structural diagram of a high-quality image transmission device according to an embodiment of the present invention. Fig. 3 is a schematic diagram of the use state of an embodiment of the present invention.

100: High-quality image transmission device

1, 1a: image processor

11, 11a: circuit board

12, 12a: Image transmission interface

13, 13a: Internet protocol interface

14, 14a: MxM display chip module

141, 141a: input/output busbar

142, 142a: Fast Peripheral Component Interconnect Busbars

2: Network switch

3: Image source

4: Image receiver

Claims (10)

A high-quality image transmission method, which at least includes the following steps: Step 1: Electrically connect a network switch to a first image processor and a second image processor among several image processors , each image processor includes a circuit board, several image transmission interfaces, several Internet protocol interfaces, and a MxM display chip module, wherein each image processor is set on the circuit board with a MxM slot, the plurality of image transmission interfaces are respectively electrically connected to the circuit board, the plurality of internet protocol interfaces are respectively electrically connected to the circuit board, and the MxM display chip module is replaceable and plugged in The MxM slot is electrically connected to the circuit board, and is electrically connected to the image transmission interfaces and the IP interfaces through the circuit board, and the MxM display chip module is provided with an input/output bus bar and an Fast Peripheral Component Interconnect Bus; Step 2: Electrically Connecting the First Image Processor to an Image Source Terminal, and the Second Image Processor Electrically Connecting to an Image Receiver; and Step 3: The MxM Display Chip The module utilizes the software-defined Ethernet video standard, and one of the first image processors among the image processors receives a high In the case of a high-quality video signal, the high-quality video signal is converted into an Internet protocol signal in a zero-delay and uncompressed form, and is output to the The network switch, a second image processor among the image processors receives the Internet from the network switch through a second Internet protocol interface among the Internet protocol interfaces When using a protocol signal, the Internet protocol signal is converted back to the high-definition video signal in a zero-delay and uncompressed form and output to the video receiving end through a second video transmission interface among the video transmission interfaces to play. According to the high-quality image transmission method described in Item 1 of the scope of the patent application, the image processors are connected to the network switch through network cables or optical fibers of CAT-6 and CAT-7 specifications. According to the high-definition image transmission method described in Item 1 of the patent application, the several image transmission interfaces are high-definition multimedia interface, digital video interface, serial digital interface, digital video interface standard or a combination thereof. According to the high-definition image transmission method described in Item 1 of the scope of the patent application, the IP interfaces support up to 10GbE connection. According to the high-definition image transmission method described in item 1 of the scope of the patent application, the high-definition image signal is an image of the standard specification of HDMI 2.0, digital video interface, serial digital interface or digital video interface signal. According to the high-definition video transmission method described in item 5 of the scope of the patent application, the high-definition video signal is a 4K resolution video signal of the High-Definition Multimedia Interface 2.0 specification. According to the high-definition image transmission method described in Item 1 of the scope of the patent application, the input/output bus has a specification of 2.0 x N high-definition multimedia interfaces. According to the high-definition video transmission device described in any one of items 1 to 7 of the scope of application, the network switch is a switching hub. The high-quality image transmission device according to any one of items 1 to 7 of the patent application, wherein the source of the image is a computer or a mobile phone. The high-quality image transmission device according to any one of items 1 to 7 of the patent application, wherein the image receiving end is a display.

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