1) wavelet transform modulus maxima
小波变换模极大
1.
<Abstrcat> To deal with time-varying, nonlinear and low frequency characteristics of pulse signal, a method based on wavelet transform modulus maxima is presented.
针对脉象信号的时变、非线性和低频特性,提出了应用小波变换模极大对脉象信号进行研究的方法。
2) wavelet transform modulus maxima
小波变换极大模
1.
Hiding digital watermarks using wavelet transform modulus maxima;
基于小波变换极大模算法的数字水印技术
3) Wavelet transform modulus maxima
小波变换模极大值
1.
In order to measure the thickness of the thin layer, wavelet transform modulus maxima method based on Marr wavelet is utilized for the ZrO_2 ceramic coating with the thickness ranging from 250μm to 350μm.
针对该难点本研究采用基于Marr小波的小波变换模极大值法对250~350μm的ZrO2陶瓷涂层进行了厚度测量。
2.
Most of the existing methods of measuring LE using wavelet transform are derived from the previous work of Mallat and Hwang,which equals LE to the maximum slope of straight lines that remain above the wavelet transform modulus maxima(WTMM) curve in the log-log plot of scale s versus WTMM.
Mallat和Hwang在其经典文献[1]中提出采用小波变换模极大值随对数尺度变化曲线的最大斜率作为LE指数的度量。
3.
A wavelet package denoising method based on wavelet transform modulus maxima(WTMM) multiscale edge detection is proposed.
文章提出一种将小波变换模极大值(WTMM)多尺度边缘检测与小波包去噪算法结合起来的图像去噪方法。
4) wavelet transform maximum modulus
小波变换极大模值
1.
The signals were analyzed with wavelet transform maximum modulus(WTMM) method and the results revealed the signals multifractal characteristics.
66 mm的二维流化床内颗粒的光纤反射信号进行了采集,并利用小波变换极大模值法对该类信号进行了数值分析,结果表明其具备多重分形特征;给出了多重分形谱图。
5) modulus maximal of wavelet transform coefficients
小波变换系数模极大值
6) WTMM
小波变换模极大值
1.
According to the shortcoming of the traditional methods of location detection,a detection method based on wavelet transform modulus maxima(WTMM) is presented.
针对汽车牌照定位检测传统方法的缺欠和不足,采用了小波变换模极大值对图像边缘进行检测,进而利用灰度投影图和图像纹理特征相结合的方法,实现了汽车牌照的实时定位。
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