1) dyadic wavelet transform
二进制小波变换
1.
In view of the shortage of traditional dyadic wavelet transform on the application of edge detection for image,the edge detection algorithm is presented based on improved dyadic wavelet transform for image in the paper.
针对传统二进制小波变换在图像边缘检测应用中的不足,提出了基于改进二进制小波变换的图像边缘检测算法。
2) binary wavelet transform
二进小波变换
1.
According to the shortcoming of binary wavelet transform, a new singularity detection method with the CWT (Continuous Wavelet Transform) was presented.
针对基于二进小波变换奇异性检测方法的不足 ,提出基于连续小波变换奇异性检测方法 ,该方法具有较细致的局部奇异性刻画能力 ,能够对滴定曲线的滴定终点进行精确的定位。
2.
For ameliorating software anti-interference effect in partial discharge detecting,a new method is proposed in the paper based on Birge-Massart strategy and binary wavelet transform.
马萨特策略小波去噪基础上结合二进小波变换的新方法,仿真及对实测数据的处理表明,该方法具有较好的抗强白噪、窄带周期干扰及脉冲型干扰的能力。
3.
Here, taking periodical rectangular wave for example and combining adaptive filtering with binary wavelet transform based on Trous algorithm, the filtration of Gibbs phenomenon is researched.
将自适应滤波和基于αTrons算法的二进小波变换相结合,以周期性矩形波为例进行Gibbs现象滤波分析,仿真验证此算法在重构项数、权值系数、收敛因子和循环次数选取合适时能很好地消除Gibbs现象,从而为分析与抑制小波变换中的Gibbs现象提供一种新途径。
3) dyadic wavelet transform
二进小波变换
1.
Pitch detection algorithm based on dyadic wavelet transforms;
基于二进小波变换的基音检测算法
2.
A de-noise research by dyadic wavelet transform based on signal s singularity;
基于二进小波变换的奇异信号消噪
3.
In this paper,we describe a rat s QRS complex detector based on the dyadic wavelet transform which associate with the slope and range.
采用二进小波变换与斜率和幅度相结合的方法,对小鼠QRS复合波进行检测。
4) dyadic wavelet transformation
二进小波变换
1.
The image segmentation problems are described with the theorem of multi-resolution analysis based on dyadic wavelet transformation,according to the tactics from coarse to refined,the best threshold to segment the original image effectively is chosen,and finally the TM remote sensing image is segmented.
从多分辨率分析角度分析图像分割概念,研究已有的图像分割方法,阐述基于二进小波变换的多分辨率分析原理,采取由粗到细的控制策略,有效地选取最优分割阈值,从而实现对TM遥感影像的分割,实验结果表明该算法对复杂遥感影像分割是有效的。
2.
The dyadic wavelet transformation is adopted for detect the partial discharge pulse in power transformer.
介绍了二进小波变换的基本原理及其滤波特征,采用二进小波函数对变压器中含强载波干扰的局放信号进行了小波变换。
3.
Using the dyadic wavelet transformation, the seismic record can be divided into several frequency bands on the multiscale.
应用二进小波变换对地震记录进行多尺度小波分解,地震记录分解成多个频带,根据已知的地质先验信息,选取最能反映目的层的尺度,并对该尺度下的高频分量作补偿,即补偿因大地滤波作用而造成的高频分量的能量损失。
5) 3D dyadic wavelet transform(DWT)
3D二进小波变换
6) dyadic real wavelet transform
二进实小波变换
补充资料：Radon变换和逆Radon变换
Radon变换和逆Radon变换
X线物理学术语。CT重建图像成像的主要理论依据之一。1917年澳大利亚数学家Radon首先论证了通过物体某一平面的投影重建物体该平面两维空间分布的公式。他的公式要求获得沿该平面所有可能的直线的全部投影(无限集合)。所获得的投影集称为Radon变换。由Radon变换进行重建图像的操作则称为逆Radon变换。Radon变换和逆Radon变换对CT成像的意义在于，它从数学原理上证实了通过物体某一断层层面“沿直线衰减分布的投影”重建该层面单位体积，即体素的线性衰减系数两维空间分布的可能性。
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