小波变换的多分辨率支集用于噪声图像低通滤波

基金项目: 国防科工委资助项目,编号Y 95-2。

详细信息

The Application of Multiresolution Support of WT for Lowpass Filtering of Noisy Imagery

摘要: 依据信号与噪声的小波变换在不同分辨率下呈现不同特性的特点,提出了多分辨率支集图像低通滤波方法。通过与经典的高斯低通滤波方法实验结果比较,证明了本文方法具有较强的抑制图像噪声能力。
- 多分辨率支集 /
- 小波面 /
- 显著小波系数
Abstract: Multiresolution support for lowpass filtering is introduced according to different property of wavelet transform for signal and noisy at different scale. Compared with Guassian filtering method, it possesses more powerful noise immunity.
- multiresolution support /
- wavelet planes /
- significant wavelet coefficient