According to the functions and performance guideline of the target design system, we propose the hierarchical design structure of video processing subsystem and host subsystem.

根据对目标系统功能和性能指标的分析，确定了视频处理子系统和主机系统的分层设计结构。

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In the SDI signal processing subsystem, the design of FPGA-based audio and video data demultiplexing of IP module, realized with the IP module replacement ASIC.

在SDI信号处理部分中，设计了一种基于FPGA的音视频数据解复用的IP模块，实现了IP模块替代asic。

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This paper detailedly introduced a solution of image pre-processing system in video detection system and implemented a FPGA subsystem which had the function of video capture and image pre-processing.

本文详细介绍了一种视频检测中图像预处理系统的设计方案，实现了具有前端视频采集、图像预处理功能的FPGA子系统。

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