System for verifying high-speed image compressing code stream based on system on chip

Abstract

The invention discloses a system for verifying a high-speed image compressing code stream based on a system on a chip. The system comprises a PC (Personal Computer) control terminal (1) and a verification system printed circuit board (2) which are bidirectionally connected by a network communication interface, wherein the PC control terminal (1) is used for finishing the configuration of original image data, image parameters, code stream parameters and task sequences and downloading the original image data, the image parameters, the code stream parameters and the task sequences to the verification system printed circuit board (2) by the network communication interface; and the verification system printed circuit board (2) is used for finishing the packaging, framing, storage and sending of an original image according to image parameter requirements, finishing the collection, storage, decoding and verification of the image compressing code stream according to code stream parameter requirements, and transmitting a verifying result to a PC to be saved via the network communication interface. The system has the advantages of high image transmission rate and capability of directly decoding and verifying the compressing code stream and can be used for finishing the function test, compressing performance verification and reliability verification of an image compressing and encoding system.

Description

technical field [0001] The invention relates to the field of image compression coding, in particular to a high-speed image compression code stream verification system based on an on-chip system, which can be used for functional testing, compression performance verification and reliability verification of the image compression coding system. Background technique [0002] With the development of image compression coding technology, image compression coding technology is widely used in mobile devices, biomedicine, satellite remote sensing and other fields. In the development process of the image compression coding system, designing a verification system that can simulate the actual CCD camera work and can be configured flexibly is a necessary link in the debugging and verification of the image compression coding system. In particular, for the payload on the star, the data rate of the aerospace image compression coding system has reached a high rate of 400MB / s. Put into use. I...

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Problems solved by technology

[0006] The disadvantages of the above-mentioned system solutions are that the transmission rate of image data is limited, they cannot meet the high-speed requirements of the image compression coding system, and they do not support direct decoding and compression coding performance verification of the image compression code stream. In addition, for some special functions, For example, configuring test task sequences and other functions, common solutions are also difficult to implement

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