计算机应用与软件2017，Vol.34Issue(9)：192-198,227,8.DOI:10.3969/j.issn.1000-386x.2017.09.039
基于非因果信号处理的分数阶次低通滤波器
NON-CAUSAL SIGNAL PROCESSING BASED FRACTIONAL LOW-PASS FILTER
摘要
Abstract
Since the existing low-pass filters failed to reserve the edge and texture detail while eliminating the image noise,we analysed and studied further about the characteristics of the amplitude-frequency and the phase-frequency of forward and backward fractional integration.Then,combined with the non-causal signal processing,a novel non-causal fractional low-pass filter (NCFLPF) based on non-causal signal processing is proposed.The qualitative and quantitative experiment on synthetic and natural noise image indicated that the proposed method not only suppress the phase distortion,but also reserve the image detail while effectively eliminate the noise.关键词
非因果信号处理/分数阶积分/图像去噪/低通滤波器Key words
Non-causal signal processing/Fractional integration/Image denoising/Low-pass filter分类
信息技术与安全科学引用本文复制引用
吴媛媛,潘祥,姜太平,刘恒,刘宏申,王修君..基于非因果信号处理的分数阶次低通滤波器[J].计算机应用与软件,2017,34(9):192-198,227,8.基金项目
国家自然科学基金青年基金项目(61602007) （61602007）
安徽省自然科学基金青年基金项目(1608085QF132). （1608085QF132）
