CN114726927A - Conversion system and method for Coaxpress high-speed image interface and optical fiber transmission interface - Google Patents
Conversion system and method for Coaxpress high-speed image interface and optical fiber transmission interface Download PDFInfo
- Publication number
- CN114726927A CN114726927A CN202111441590.8A CN202111441590A CN114726927A CN 114726927 A CN114726927 A CN 114726927A CN 202111441590 A CN202111441590 A CN 202111441590A CN 114726927 A CN114726927 A CN 114726927A
- Authority
- CN
- China
- Prior art keywords
- data stream
- subsystem
- data
- image data
- coaxpress
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000004220 aggregation Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000013139 quantization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
A conversion system and method of Coaxpress high-speed image interface and optical fiber transmission interface, the said system includes the protocol analysis subsystem, data summarization subsystem and data distribution subsystem; the protocol analysis subsystem is used for analyzing the input data stream to generate a plurality of image data streams; the data summarization subsystem is used for summarizing each image data stream generated by the protocol analysis subsystem; the data distribution subsystem is used for distributing the summarized data stream generated in the data summarization subsystem. When the CoaXPress high-speed image interface protocol is realized, the protocol analysis subsystem, the data aggregation subsystem and the data distribution subsystem are designed according to the design principle of functional modularization, and 16 paths of video stream data can be simultaneously input at the highest and 4 paths of optical fiber data can be simultaneously output.
Description
Technical Field
The invention relates to the field of high-speed image interface data transmission, in particular to a conversion system and a conversion method of a Coaxpress high-speed image interface and an optical fiber transmission interface.
Background
In the industrial field and the military field, the bandwidth of the output of the high-resolution camera is very high, and the demand is more and more extensive. CoaXPress is an asymmetric high-speed point-to-point serial communications digital interface protocol that has gained worldwide acceptance, allowing devices to connect through a single coaxial cable transmitting data at speeds up to 6.25Gbps while also supporting an uplink at 20Mbps transmission speed for control and configuration of the data channels. For higher transmission speed, a mode of overlapping a plurality of links can be adopted to provide a transmission bandwidth which is several times that of a single coaxial cable; the coaxial cable for CoaXPress data transmission is very difficult to perforate in a vacuum filling experiment, and the optical fiber is relatively easy to perforate, so that the high-resolution image interface is urgently required to be converted into the optical fiber interface; fiber optic transmission provides support for better testing and application of CoaXPress.
Disclosure of Invention
In view of the technical defects and technical drawbacks in the prior art, embodiments of the present invention provide a conversion system and method for a Coaxpress high speed image interface and an optical fiber transmission interface, which overcome or at least partially solve the above problems, and the specific solution is as follows:
as a first aspect of the present invention, a conversion system of a Coaxpress high-speed image interface and an optical fiber transmission interface is provided, where the system includes a protocol analysis subsystem, a data summarization subsystem, and a data distribution subsystem;
the protocol analysis subsystem is used for analyzing the input data stream to generate a plurality of image data streams;
the data summarizing subsystem is used for summarizing each image data stream generated by the protocol analysis subsystem to form a summarized data stream;
the data distribution subsystem is used for distributing the summarized data stream generated in the data summarization subsystem.
Furthermore, the protocol analysis subsystem comprises a cross-clock FIFO module, a CoaXPress protocol analysis module and a pixel analysis module;
the clock crossing FIFO module is used for converting a sensor clock domain of an input data stream into a system clock domain;
the CoaXPress protocol analysis module is used for removing packet header information and generating a pure image data stream for the data stream processed by the cross-clock FIFO module;
the pixel analysis module is used for performing data format conversion on the image data stream, converting the parallel image data stream with a plurality of bytes into an image data stream with a single pixel arrangement, caching the image data stream into a stream data buffer in the protocol analysis subsystem, and caching the packet length information of each image data stream into a packet length buffer.
Further, the data summarization subsystem is specifically configured to: and reading the packet length information in the packet length buffer, sequentially reading the image data stream with the corresponding packet length from each stream data buffer channel, and storing the image data stream into the next-stage data stream buffer.
Further, the data distribution subsystem comprises a read FIFO module and a group packet module;
the FIFO reading module is used for sequentially reading the image data stream with fixed length from the summarized data stream to the data stream buffer of the data distribution subsystem;
the group package module is used for generating a packet header with a preset byte length for each channel, reading a data stream with a fixed length from a data stream buffer of the data distribution subsystem to form a complete data packet, and sending the complete data packet through an optical fiber.
As a second aspect of the present invention, there is provided a conversion method of a Coaxpress high-speed image interface and an optical fiber transmission interface, the method including:
step 1, inputting a received data stream into a protocol analysis subsystem;
step 2, analyzing the input data stream through the protocol analysis subsystem to generate a plurality of image data streams;
step 3, summarizing each image data stream generated in the step 2 through a data summarizing subsystem to form a summarized data stream;
and 4, distributing the summarized data stream generated in the step 3 through a data distribution subsystem.
Further, step 2 specifically includes:
step 2.1, converting a sensor clock domain of an input data stream into a system clock domain through a cross-clock FIFO module in a protocol analysis subsystem;
step 2.2, processing the data stream in the step 2.1 through a CoaXPress protocol analysis module in the protocol analysis subsystem, removing packet header information, and generating a pure image data stream;
step 2.3, performing data format conversion on the image data stream through a pixel analysis module in the protocol analysis subsystem, and converting the parallel image data stream of a plurality of bytes into an image data stream with a single pixel arrangement;
and 2.4, caching the image data stream generated in the step 2.3 into a stream data buffer in a protocol analysis subsystem, and caching the packet length information of each image data stream into a packet length buffer.
Further, step 3 specifically includes: and reading the packet length information in the packet length buffer, sequentially reading the image data stream with the corresponding packet length from each stream data buffer channel, and storing the image data stream into the next-stage data stream buffer.
Further, step 4 specifically includes:
step 4.1, reading the image data stream with fixed length from the summarized data stream in the step 3 to a data stream buffer of the data distribution subsystem through a read FIFO module of the data distribution subsystem;
and 4.2, generating a packet header with a preset byte length for each channel through a packet module of the data distribution subsystem, reading the data stream with a fixed length from the data stream buffer in the step 4.1 to form a complete data packet, and sending the complete data packet through an optical fiber.
The invention has the following beneficial effects:
when the conversion between the CoaXPress high-speed image interface protocol and the optical fiber transmission interface is realized, a protocol analysis subsystem, a data summarization subsystem, a data distribution subsystem and the like are designed according to the design principle of functional modularization, a data stream is input into the protocol analysis subsystem to realize the analysis operation of the CoaXPress version1.1 protocol format to form an image data stream, and the image data stream is transmitted to a corresponding optical fiber channel to be output under the control of the data summarization subsystem and the data distribution subsystem, so that the invention can realize the simultaneous input of 16 paths of video stream data at most and the simultaneous output of 4 paths of optical fiber data.
Drawings
Fig. 1 is a schematic diagram of a framework of a conversion system of a Coaxpress high-speed image interface and an optical fiber transmission interface according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an architecture of a protocol parsing subsystem according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an architecture of a data summarization subsystem according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an architecture of a data distribution subsystem provided in an embodiment of the present invention;
fig. 5 is a schematic flow chart of a conversion method between a Coaxpress high-speed image interface and an optical fiber transmission interface according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, as a first embodiment of the present invention, a conversion system of a Coaxpress high-speed image interface and an optical fiber transmission interface is provided, and when the conversion between a Coaxpress high-speed image interface protocol and an optical fiber transmission interface is implemented, a protocol analysis subsystem, a data summarization subsystem, and a data distribution subsystem are designed according to a design principle of functional modularization.
The refresh frequency of the high-resolution linear array sensor in a high-speed camera of a certain model can be configured, the maximum 20000KHz is realized, the number of effective pixels of the sensor is 23360, the quantization bit number of each pixel value is 12 bits, the quantization bit number is divided into 4 CoaXPress interface transmission, the maximum 6.25Gbps of each channel, and the conversion circuit of the CoaXPress high-speed image interface protocol and the optical fiber transmission interface needs to receive data streams from the CoaXPress interface and convert the data streams into video streams to be output from the optical fiber interface. The following description is given taking a single camera as an example:
firstly, enabling a system to be electrified and self-tested, initializing a camera, and enabling a CoaXPress interface to receive IDLE data sent by the camera to ensure that the camera is normally connected;
and after the self-checking is finished, the system is normally started, the high-speed data stream of the CoaXPress camera is received, the highest data stream is 6.25Gbps X4, and the received high-speed data stream is input into the protocol analysis subsystem.
The protocol analysis subsystem is used for analyzing the input data stream and analyzing the image data stream according to the CoxXPress version1.1 protocol format.
Preferably, as shown in fig. 2, the protocol resolution subsystem includes a cross-clock FIFO module, a CoaXPress protocol resolution module, and a pixel resolution module.
The clock crossing FIFO module is used for converting a sensor clock domain of an input data stream into a system clock domain;
the pixel sorting module caches the collected pixel value sequence according to a first-come-first-sent mode, the bit width of each pixel data is 8 bits, and four pixel data are used as a basic pixel packet unit;
adding information such as a packet header and the like into a video stream in a ping-pong mode according to a format specified by a CoaXPress protocol in the caching process;
the CoaXPress protocol analysis module is used for removing packet header information and generating a pure image data stream for the data stream processed by the cross-clock FIFO module;
the pixel analysis module is used for performing data format conversion on the image data stream, converting the parallel image data stream with 4 bytes into an image data stream with a single pixel arrangement, caching the image data stream into a stream data buffer in the protocol analysis subsystem, and caching the packet length information of each image data stream into a packet length buffer.
As shown in fig. 3, the data summarization subsystem is configured to summarize each image data stream generated by the protocol analysis subsystem, sequentially read an image data stream with a corresponding packet length from each stream data buffer channel by reading packet length information in a packet length buffer, store the image data stream into a next-stage data stream buffer, and output the image data stream with an input bit width of 16 bits and an output bit width of 64 bits.
The data distribution subsystem is configured to distribute a summarized data stream generated in the data summarization subsystem, and as shown in fig. 4, the data distribution subsystem includes a read FIFO module and a group package module;
the reading FIFO module is used for sequentially reading the image data stream with fixed length from the summarized data stream to the data stream buffer of the data distribution subsystem;
the group package module is used for generating a packet header with a length of 64 bytes for each channel, reading a data stream with a fixed length from a data stream buffer of the data distribution subsystem to form a complete data packet, and sending the complete data packet through an optical fiber.
When the conversion between the CoaXPres high-speed image interface protocol and the optical fiber transmission interface is realized, a protocol analysis subsystem, a data summarization subsystem, a data distribution subsystem and the like are designed according to the design principle of functional modularization, a data stream is input into the protocol analysis subsystem, the analysis operation of the CoaXPres version1.1 protocol format is realized, an image data stream is formed, and the image data stream is transmitted into a corresponding optical fiber channel to be output under the control of the data summarization subsystem and the data distribution subsystem, so that the invention can realize the performance of simultaneously inputting 16 paths of video stream data and simultaneously outputting 4 paths of optical fiber data.
As shown in fig. 5, as a second embodiment of the present invention, there is further provided a conversion method of a Coaxpress high-speed image interface and an optical fiber transmission interface, where the method includes:
step 1, inputting a received data stream into a protocol analysis subsystem;
step 2, analyzing the input data stream through the protocol analysis subsystem to generate a plurality of image data streams;
step 3, summarizing each image data stream generated in the step 2 through a data summarizing subsystem;
and 4, distributing the summarized data stream generated in the step 3 through a data distribution subsystem.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A conversion system of a Coaxpress high-speed image interface and an optical fiber transmission interface is characterized in that the system comprises a protocol analysis subsystem, a data summarization subsystem and a data distribution subsystem;
the protocol analysis subsystem is used for analyzing the input data stream to generate a plurality of image data streams;
the data summarization subsystem is used for summarizing each image data stream generated by the protocol analysis subsystem;
the data distribution subsystem is used for distributing the summarized data stream generated in the data summarization subsystem.
2. The conversion system of the Coaxpress high-speed image interface and the optical fiber transmission interface of claim 1, wherein the protocol analysis subsystem comprises a trans-clock FIFO module, a Coaxpress protocol analysis module and a pixel analysis module;
the clock crossing FIFO module is used for converting a sensor clock domain of an input data stream into a system clock domain;
the CoaXPress protocol analysis module is used for removing packet header information and generating a pure image data stream for the data stream processed by the cross-clock FIFO module;
the pixel analysis module is used for performing data format conversion on the image data stream, converting the parallel image data stream with a plurality of bytes into an image data stream with a single pixel arrangement, caching the image data stream into a stream data buffer in the protocol analysis subsystem, and caching the packet length information of each image data stream into a packet length buffer.
3. The conversion system for a Coaxpress high-speed image interface and an optical fiber transmission interface according to claim 2, wherein the data summarization subsystem is specifically configured to: and reading the packet length information in the packet length buffer, sequentially reading the image data stream with the corresponding packet length from each stream data buffer channel, and storing the image data stream into the data stream buffer of the data distribution subsystem.
4. The conversion system for a Coaxpress high-speed image interface and an optical fiber transmission interface according to claim 1, wherein the data distribution subsystem comprises a read FIFO module and a group packet module;
the FIFO reading module is used for sequentially reading the image data stream with fixed length from the summarized data stream to the data stream buffer of the data distribution subsystem;
the group package module is used for generating a packet header with a preset byte length for each channel, reading a data stream with a fixed length from a data stream buffer of the data distribution subsystem to form a complete data packet, and sending the complete data packet through an optical fiber.
5. A conversion method of a Coaxpress high-speed image interface and an optical fiber transmission interface is characterized by comprising the following steps:
step 1, inputting a received data stream into a protocol analysis subsystem;
step 2, analyzing the input data stream through the protocol analysis subsystem to generate a plurality of image data streams;
step 3, summarizing each image data stream generated in the step 2 through a data summarizing subsystem;
and 4, distributing the summarized data stream generated in the step 3 through a data distribution subsystem.
6. The method for converting the Coaxpress high-speed image interface and the optical fiber transmission interface according to claim 5, wherein the step 2 specifically comprises:
step 2.1, converting a sensor clock domain of an input data stream into a system clock domain through a cross-clock FIFO module in a protocol analysis subsystem;
step 2.2, processing the data stream in the step 2.1 through a CoaXPress protocol analysis module in the protocol analysis subsystem, removing packet header information, and generating a pure image data stream;
step 2.3, performing data format conversion on the image data stream through a pixel analysis module in the protocol analysis subsystem, and converting the parallel image data stream of a plurality of bytes into an image data stream with a single pixel arrangement;
and 2.4, caching the image data stream generated in the step 2.3 into a stream data buffer in a protocol analysis subsystem, and caching the packet length information of each image data stream into a packet length buffer.
7. The method for converting the Coaxpress high-speed image interface and the optical fiber transmission interface as claimed in claim 6, wherein the step 3 specifically comprises: and reading the packet length information in the packet length buffer, sequentially reading the image data stream with the corresponding packet length from each stream data buffer channel, and storing the image data stream into the data stream buffer of the data distribution subsystem.
8. The method for converting the Coaxpress high-speed image interface and the optical fiber transmission interface according to claim 5, wherein the step 4 specifically comprises:
step 4.1, reading the image data stream with fixed length from the summarized data stream in the step 3 to a data stream buffer of the data distribution subsystem in sequence through a reading FIFO module of the data distribution subsystem;
and 4.2, generating a packet header with a preset byte length for each channel through a packet packaging module of the data distribution subsystem, reading the data stream with a fixed length from the data stream buffer in the step 4.1 to form a complete data packet, and sending the complete data packet through an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441590.8A CN114726927A (en) | 2021-11-30 | 2021-11-30 | Conversion system and method for Coaxpress high-speed image interface and optical fiber transmission interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441590.8A CN114726927A (en) | 2021-11-30 | 2021-11-30 | Conversion system and method for Coaxpress high-speed image interface and optical fiber transmission interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114726927A true CN114726927A (en) | 2022-07-08 |
Family
ID=82233445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111441590.8A Pending CN114726927A (en) | 2021-11-30 | 2021-11-30 | Conversion system and method for Coaxpress high-speed image interface and optical fiber transmission interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114726927A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113740A (en) * | 2014-07-28 | 2014-10-22 | 中国科学院光电技术研究所 | Mixed format signal optical fiber transmission device |
| CN104618697A (en) * | 2015-01-28 | 2015-05-13 | 中国科学院光电技术研究所 | FPGA (Field Programmable Gate Array)-based full-configuration type Camera link fiber-converting real-time image optical transceiver |
| CN107071520A (en) * | 2017-04-11 | 2017-08-18 | 西安航天华迅科技有限公司 | A kind of CoaXPress high speed images interface protocol IP implementation method |
| CN108012053A (en) * | 2017-11-16 | 2018-05-08 | 南京理工大学 | A kind of high speed image Transmission system based on CoaXPress interfaces |
| CN108345553A (en) * | 2018-03-07 | 2018-07-31 | 中国科学院西安光学精密机械研究所 | A kind of spaceborne high-resolution imaging data transmission and acquisition system |
| CN109510973A (en) * | 2018-12-28 | 2019-03-22 | 西南技术物理研究所 | A kind of 10,000,000,000 fiber optic Ethernets based on FPGA turn RapidIO multiway images transmission process system |
| CN110881027A (en) * | 2019-10-22 | 2020-03-13 | 中国航空工业集团公司洛阳电光设备研究所 | Video transmission system and conversion method of Camera Link-ARINC818 protocol |
| US20200258210A1 (en) * | 2017-10-31 | 2020-08-13 | Wuhan Jingce Electronic Group Co., Ltd. | Automatic optical inspection device based on cpu+gpu+fpga architecture |
| CN113630585A (en) * | 2021-07-08 | 2021-11-09 | 中国科学院西安光学精密机械研究所 | Extended Camera Link Camera-to-optical fiber real-time transmission system and method |
-
2021
- 2021-11-30 CN CN202111441590.8A patent/CN114726927A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113740A (en) * | 2014-07-28 | 2014-10-22 | 中国科学院光电技术研究所 | Mixed format signal optical fiber transmission device |
| CN104618697A (en) * | 2015-01-28 | 2015-05-13 | 中国科学院光电技术研究所 | FPGA (Field Programmable Gate Array)-based full-configuration type Camera link fiber-converting real-time image optical transceiver |
| CN107071520A (en) * | 2017-04-11 | 2017-08-18 | 西安航天华迅科技有限公司 | A kind of CoaXPress high speed images interface protocol IP implementation method |
| US20200258210A1 (en) * | 2017-10-31 | 2020-08-13 | Wuhan Jingce Electronic Group Co., Ltd. | Automatic optical inspection device based on cpu+gpu+fpga architecture |
| CN108012053A (en) * | 2017-11-16 | 2018-05-08 | 南京理工大学 | A kind of high speed image Transmission system based on CoaXPress interfaces |
| CN108345553A (en) * | 2018-03-07 | 2018-07-31 | 中国科学院西安光学精密机械研究所 | A kind of spaceborne high-resolution imaging data transmission and acquisition system |
| CN109510973A (en) * | 2018-12-28 | 2019-03-22 | 西南技术物理研究所 | A kind of 10,000,000,000 fiber optic Ethernets based on FPGA turn RapidIO multiway images transmission process system |
| CN110881027A (en) * | 2019-10-22 | 2020-03-13 | 中国航空工业集团公司洛阳电光设备研究所 | Video transmission system and conversion method of Camera Link-ARINC818 protocol |
| CN113630585A (en) * | 2021-07-08 | 2021-11-09 | 中国科学院西安光学精密机械研究所 | Extended Camera Link Camera-to-optical fiber real-time transmission system and method |
Non-Patent Citations (1)
| Title |
|---|
| 孙科林;周维超;吴钦章;: "高速实时光纤图像传输系统的实现", 光学精密工程, no. 09 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112100119B (en) | High-speed Ethernet frame reconstruction system based on FPGA | |
| CN107071520B (en) | Method for realizing CoaXPres high-speed image interface protocol IP | |
| US8422404B2 (en) | Method and device for transmitting packets | |
| EP1906651A2 (en) | Signal processing | |
| CN110557216B (en) | High-speed data architecture based on network on chip and data transmission method | |
| CN105573922B (en) | Method and device for realizing data format conversion | |
| CN110896431B (en) | Non-compression high-definition video transmission method and system | |
| CN108712625B (en) | Multichannel real-time high-definition image transmission system and transmission method | |
| CN112702581A (en) | Video acquisition circuit | |
| CN107888337B (en) | FPGA, FPGA information processing method and accelerating device | |
| CN100568841C (en) | A kind of converging device of Ethernet service and method | |
| CN112713965A (en) | Rate matching design method, system and related device based on CPRI protocol | |
| CN113630585A (en) | Extended Camera Link Camera-to-optical fiber real-time transmission system and method | |
| CN114726927A (en) | Conversion system and method for Coaxpress high-speed image interface and optical fiber transmission interface | |
| CN109800195A (en) | A kind of fibre channel adapter and data transmission method based on FPGA | |
| CN1247684A (en) | Connection device in telecommunications network | |
| CN108898983B (en) | Video signal extension system and method | |
| CN115550568A (en) | Image transmission method and system based on CoaXpress protocol | |
| CN211791821U (en) | Satellite-borne video compression device for directly transmitting video data to ground | |
| EP2382596B1 (en) | A data processing apparatus for segmental processing of input data, systems using the apparatus and methods for data transmittal | |
| CN113726478B (en) | Multi-channel data bit width configurable 0-bit filling method and device | |
| CN111970499A (en) | Multi-path 3G-SDI optical transmitter and receiver data demultiplexing method based on RGIF VDMA | |
| CN105376179A (en) | Method for transmitting measurement and control signal via Ethernet | |
| CN115914588A (en) | Real-time video data transmission method and system based on FC-AE-ASM protocol | |
| WO2023169060A1 (en) | Image data processing method and apparatus, and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |