Image encoding and decoding and network transmission method and device based on FPGA

A technology of network transmission and image encoding, applied in the system design of video image encoding and decoding, and data network transmission, it can solve the problem of not supporting 1000M Ethernet, and achieve a large follow-up development space, efficient and real-time Ethernet data transmission, The effect of performance and functionality improvements
CN110855996AActive Publication Date: 2020-02-28NO 709 RES INST OF CHINA SHIPBUILDING IND CORP
11 Cites 1 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NO 709 RES INST OF CHINA SHIPBUILDING IND CORP
Publication Date
2020-02-28

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses an image encoding and decoding and network transmission method and device based on an FPGA. And the FPGA is used for configuring and controlling the JPEG2000 encoding and decoding chip, the network communication chip and the like under configuration instructions of the encoding end upper computer and the decoding end upper computer respectively. And the encoding end receives the video image and converts the video image into a digital format, and the JPEG2000 encoding chip encodes the acquired video image. Coded data output by the coding chip is buffered and then sent tothe network communication chip so as to generate a network data message and send the network data message to the Ethernet. And the decoding end receives video image data on the Ethernet by reading anetwork data message of the network communication chip. And the decoding end buffers the network message data, sends the buffered network message data to a JPEG2000 decoding chip for image decoding, and then restores and displays a video image. According to the invention, the function of each part is brought into full play, and the requirements of real-time performance of video image coding and decoding and network transmission are met.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the technical field of system design of video image encoding and decoding, and the field of network transmission of data. Background technique

[0002] As the successor of JPEG, JPEG2000 is different from the traditional JPEG standard based on discrete cosine transform. JPEG2000 is based on discrete wavelet transform and adopts the embedded coding technology EBCOT with optimal truncation function to obtain advanced compression performance.

[0003] In the hardware solutions to realize JPEG2000 image decoding, generally speaking, there are mainly several methods such as FPGA-based hardware algorithm implementation, DSP processor-based system implementation, and application-specific integrated circuit implementation. Although the hardware implementation based on the FPGA platform can speed up the processing speed, the digital circuit design and implementation of the algorithm is also very difficult, and the design is relatively c...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More