图像中值滤波算法的优化及其硬件实现

Design of Favourable Arithmetic for Image Median Filter Based on Hardware

讨论了FPGA图像处理算法的几种实现途径,在分析和研究中值滤波算法的基础上提出了一种优化的算法,该算法既能满足硬件的流水实现,又可在效率上得到明显提高。设计以FPGA为硬件平台,用Verilog语言实现了中值滤波的优化算法。通过与软件中值滤波进行比较,可以看到硬件实现的效率优势和算法可行性。

This paper discusses kinds of method for image-processing based on FPGA.After analyzing and studing the method of median tilter,the paper gives an optimized algorithm,the algorithm can meet the condition of pipelining on hardware and im- proving the efficiency.The design used FPGA as its hardware platform,using verilogHDL language to implement the opti- mized algorithm.With the compareing between hardware and software in median filter,the algorithm which optimized realizing on FPGA is available and feasible.