Abstract: FPGA-based embedded vision systems are attracting more and more attention due to their properties of high performance，low power consumption and compact structure which endow them with great potential applications.This paper gives a survey of the representative achievements in recent years on FPGA-based embedded vision systems，and discusses some of the existing problems and future developing trends in this research area.

Key words: machine vision, embedded systems, Field Programmable Gate Array（FPGA）, hardware computation, parallel computation

摘要： 采用FPGA作为主要运算器件的嵌入式视觉系统具有高性能、低功耗、结构紧凑等特点，是计算机视觉的研究热点之一，有着广阔的应用前景。文章对近年来国内外基于FPGA的嵌入式视觉系统方面有代表性的研究成果进行了介绍，并对相关研究领域目前存在的主要问题以及发展趋势进行了讨论。

关键词: 机器视觉, 嵌入式系统, 现场可编程门阵列（FPGA）, 硬件计算, 并行计算