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Dynamic processing method and device for high-speed data in image simulator

A technology of dynamic processing and image data, applied in image data processing, electrical digital data processing, image memory management, etc.

Pending Publication Date: 2021-11-05
武汉卓目科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, this solution still lacks the need to dynamically change the data content and realize data adjustment after the data is sent, such as the brightness, contrast, and dynamic enhancement of the transmitted image.

Method used

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  • Dynamic processing method and device for high-speed data in image simulator
  • Dynamic processing method and device for high-speed data in image simulator
  • Dynamic processing method and device for high-speed data in image simulator

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Experimental program
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Embodiment 1

[0038] This embodiment discloses a dynamic processing method for high-speed data in an image simulator, such as figure 1 ,include:

[0039] S100. Perform memory preprocessing on the camera data on the CPU side in the image simulator according to a first preset rule.

[0040] Specifically, in this embodiment, each frame of camera data includes DMA header data, auxiliary data and image data. like figure 2 , the method for memory preprocessing of DMA header data, auxiliary data and image data according to the first preset rule is: DMA header data and auxiliary data are connected in sequence, and stored together in a memory address, and image data is stored separately in another at a memory address. After the DMA header data is connected with the auxiliary data, the DMA header data and auxiliary data connected with the next frame are arranged in order, and the image data and the image data of the next frame are arranged in order.

[0041] In this embodiment, auxiliary data an...

Embodiment 2

[0060] This embodiment discloses a dynamic processing device for high-speed data in an image simulator, including: a memory preprocessing module, a data transmission module, and a data analysis module; wherein:

[0061] A memory preprocessing module, configured to perform memory preprocessing on the camera data on the CPU side of the image simulator according to a first preset rule, wherein the DMA header data, auxiliary data and image data are memory preprocessed according to the first preset rule The method is as follows: DMA header data and auxiliary data are connected in sequence, and stored together in one memory address, and image data is stored separately on another memory address; after DMA header data is connected with auxiliary data, it is connected to the next frame The DMA header data and auxiliary data are arranged in order, and the image data and the next frame of image data are arranged in order; when the length of the file stored in the memory is not an integer ...

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Abstract

The invention discloses a dynamic processing method and device for high-speed data in an image simulator. The method comprises the steps that memory preprocessing is conducted on camera data on the CPU side in the image simulator according to a first preset rule; the camera data preprocessed by the CPU side in the image simulator are sent to the FPGA side in the image simulator according to a second preset rule; and the FPGA side receives the data preprocessed by the CPU side, analyzes the data and dynamically processes the original image. According to the method, when the length of the image file is not the integral multiple of the camera data frame, the tail of the length of the image file can be supplemented, and in the data transmission process, the brightness, the contrast ratio, the visual enhancement and other changes can be performed on the image.

Description

technical field [0001] The invention relates to the field of image data processing, in particular to a dynamic processing method and device for high-speed data in an image simulator. Background technique [0002] As the resolution of space satellite high-resolution cameras is getting larger and larger, the rate requirements for image transmission will increase dramatically. Therefore, the ground test system also needs to keep up with the needs of the times in terms of performance. When the digital transmission subsystem and storage subsystem are tested on the ground, they need analog source equipment that can generate large amounts of data and have flexible configurations like real high-resolution cameras. . In order to take into account the above two requirements, today’s image simulation source equipment will adopt a heterogeneous hardware solution such as FPGA plus CPU, such as the Chinese patent CN2020103376500 "A test data simulation method and device that can flexibly...

Claims

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Application Information

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IPC IPC(8): G06T1/20G06T1/60G06T5/00G06F13/28H04N9/64
CPCG06T1/20G06T1/60G06F13/28H04N9/646G06T2207/10004G06T5/90
Inventor 喻世德冯勇王泽明刘晓平
Owner 武汉卓目科技有限公司