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基于小波变换的图像降噪算法研究
Research on the Image Denoising Algorithm Based on Wavelet Transform
【摘要】 提出一种基于小波变换的方法对图像进行降噪处理,针对掌纹图像鉴别身份技术,采用改进的小波变换的方法降低特征图像中的噪声,并通过实验验证了此算法对掌纹图像去噪的有效性。
【Abstract】 A method based on wavelet transform for image noise reduction processing,for palmprint image identification technology,the use of improved methods of wavelet transform features of images to reduce noise,and experimental verification of this algorithm for image denoising Palmprint effectiveness.
【关键词】 图像降噪;
低通滤波;
邻域平均;
小波变换;
【Key words】 image denoising; low pass filtering; neighborhood averaging; wavelet transform;
【Key words】 image denoising; low pass filtering; neighborhood averaging; wavelet transform;
- 【文献出处】 武汉理工大学学报 ,Journal of Wuhan University of Technology , 编辑部邮箱 ,2009年16期
- 【分类号】TP391.41
- 【被引频次】4
- 【下载频次】351