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一种基于自适应双边滤波的图像降噪算法 被引量:4

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摘要 本文为改善传统双边滤波算法的降噪效果,本文对其滤波处理范围及参数设定进行改进。其中,通过经验学习方法获取图像分割最优块数;利用边缘检测算子及二值化将图像块划分为边缘块和非边缘块两种类型;引入梯度相似度构建梯度双边滤波,同时结合小波变换进行降噪。实验结果表明,在不同强度的噪声下,所提算法的降噪效果优于传统的双边滤波、小波降噪以及各向异性扩散滤波算法。
作者 林谢卓
机构地区 福州大学
出处 《电子技术与软件工程》 2022年第11期196-199,共4页 ELECTRONIC TECHNOLOGY & SOFTWARE ENGINEERING
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