P-M扩散方程图像去噪方法分析  

An analysis of the method of P-M diffusion equation for image denoising

作　　者：陈一虎[1] 

机构地区：[1]宝鸡文理学院数学系,陕西宝鸡721013

出　　处：《宝鸡文理学院学报（自然科学版）》2010年第4期14-17,共4页Journal of Baoji University of Arts and Sciences(Natural Science Edition)

基　　金：陕西省教育厅科学研究计划项目(No.09JK3292010JK400);宝鸡文理学院科研计划项目(No:YK073);陕西省自然科学基础研究计划项目(No.2009JM1013)

摘　　要：目的对P-M扩散方程图像去噪方法的原理及参数选取问题进行分析。方法通过傅立叶变换法和图像特征方向的正交坐标系方法。结果该方法比从P-M扩散方程本身出发讨论其去噪原理更为直观。结论为P-M扩散方程图像去噪的参数选取提供了理论依据。Aim The principle and the selection of parameter of the method of P-M diffusion equation for image denoising is analyzed. Methods The methods of fourier transform and orthogonal coordination based on the directions of the image feature are used. Results The discussed denoising principle based on these methods is more easily to understood than that based on P-M diffusion equation. Conclusion The method provides theoretical basis for the selection of parameter for P-M diffusion equation for image denoising.

关 键 词：图像去噪 P-M扩散 梯度算子 

分 类 号：TP391.4[自动化与计算机技术—计算机应用技术]