利用多尺度变换提高数字全息再现像质量

被引:6
作者
王亮
冯少彤
聂守平
黄飞
机构
[1] 南京师范大学物理科学与技术学院,江苏省光电技术重点实验室
关键词
数字全息; 多尺度变换; 小波变换; 零级衍射光斑; Curvelet变换; 散斑噪声;
D O I
10.16136/j.joel.2007.05.030
中图分类号
TB877 [全息摄影];
学科分类号
摘要
针对三维物体数字全息实验系统的特点,提出了基于多尺度变换的数字图像处理方法。利用小波变换和Curvelet变换的多尺度处理,成功滤除再现像中的零级衍射光斑,有效减小散斑噪声的影响并保留更多物像边缘信息,得到较高质量的数字全息再现像。实验结果表明,该方法具有较高实用性。
引用
收藏
页码:625 / 628
页数:4
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