1) complex wavelet
复数小波
1.
With six separable frequency bands of positive direction and negative direction tansformed by complex wavelet,six different feature information of terrain can be extracted.
利用复数小波变换的六个可分的正负方向频带,提取地形六个不同方向的特征信息。
2.
In this paper,the complex wavelet which has better directional ability is used in image denoising and the recovered images have higher PSNR and look better.
针对基于张量积小波域W iener滤波方向性差,从而导致去噪后图像边缘信息保持欠佳的问题,对复数小波的方向性质进行了分析,采用基于具有强方向性的复数小波域的W iener滤波的方法去噪,去噪后图像峰值信噪比和视觉质量较二维张量积小波去噪都有明显改善。
3.
A new image enhancement method aimed at optimizing contrast of image features while minimizing image noise is proposed in this paper based on complex wavelet transform.
针对目前的多尺度增强方法一般很难实现抑制噪声和凸显细节间有效均衡的问题,提出一种基于复数小波变换增强图像方法,充分利用复数小波兼具平移不变性和方向选择性的优势,首先通过相邻两层小波系数的相关性来有效区分噪声和图像边缘,并根据各层小波系数的分布设置局部阈值抑制噪声;在此基础上,自适应地选取增强函数来增强较弱的细节并保护原图像中的清晰边缘不产生失真。
2) Dual—Tree Complex Wavelet Transform
双数复小波
3) complex wavelet function
复小波函数
4) dual-tree complex wavelet
双树复数小波
1.
Dual-Tree Complex Wavelet Based Denoising for Diffusion Tensor Estimation;
基于双树复数小波降噪的扩散张量估计
2.
Based on DTCWT(dual-tree complex wavelet transform),a ratio of high-pass band and low-pass band norms is defined as a measure of image focus.
该方法基于双树复数小波变换,定义高频带与低频带2-范数的比值作为图像清晰度的判定准则。
5) complex wavelet transform
复数小波变换
1.
Experiment results show that the fusion method based on complex wavelet transform is remarkably better than that based on classical discrete wavelet transform.
提出了一种基于复数小波变换的影像融合新算法,用以融合全色影像和多光谱影像。
2.
As a newly developed multiresolution method,the complex wavelet transform provides approximately shift-invariant and directionally-selective filters.
作为新近发展起来的多分辨分析方法 ,复数小波变换提供了移动不变性和方向选择性滤波器 。
3.
Generalized Gaussian distribution statistic model is constructed by taking advantage of the statistical attribution of complex wavelet transformation coefficients.
该方法首先利用双树复数小波变换系数的统计特性来建立广义高斯分布的统计模型;然后基于该模型提取图像的特征矢量;最后利用Kullback-Leibler distance(KLD)测度算法进行纹理图像检索。
6) the dual-tree DWT
二元树复数小波
补充资料：阿波波地狱
【阿波波地狱】
梵语阿波波，或云唬唬婆（无翻），谓受罪众生，寒苦增极，舌不能动，唯于唇间作此声也。
梵语阿波波，或云唬唬婆（无翻），谓受罪众生，寒苦增极，舌不能动，唯于唇间作此声也。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条