System mainly consists of retinal image pre-processing system, the width of the measurement system with retinal vascular retinopathy area measurement system is composed of three parts.

系统主要由眼底图像的预处理系统、视网膜血管宽度测量系统与视网膜病变区域面积测量系统三部分组成。

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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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In this thesis, the image-processing part of the system is expounded, including image collection, pre-processing, analysis, display and auto-coupling arithmetic.

文中重点阐述了该系统中的图像处理部分，包括图像采集、预处理、分析、显示、自动耦合算法等。

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