1) contourlet transform(CT)
轮廓波变换(CT)
2) Contourlet transform
轮廓波变换
1.
De-nosing capability of a filter based on contourlet transform;
基于轮廓波变换的滤波器消噪性能
2.
Mapping based complex contourlet transform texture image retrieval system
基于映射的复轮廓波变换纹理图像检索系统
3.
Sample noise response method used to determine subband threshold factors of contourlet transform denoising is proposed.
提出了适用于轮廓波变换消噪中确定子带阈值收敛因子的样本噪声响应法。
3) wavelet transform profilometry
小波变换轮廓术
1.
Analyzing wavelet transform profilometry in the restraining CCD nonlinear characteristic
小波变换轮廓术抑制CCD非线性的分析
2.
By the wavelet transform profilometry,the height distribution of an object can be obtained by calculating the wavelet coefficient of the deformed fringe pattern at the "ridge" position even there are some frequency overlaps between the fundamental frequency and the higher-order spectra.
结果表明,只有在无周期内瞬时频谱混叠,即任意位置处物体瞬时高度变化满足h/xx=b<1/3条件时,和不存在抽样引起的周期间瞬时频谱混叠的抽样条件下(即一个周期内的抽样点数m≥4时),小波变换轮廓术才能正确恢复被测物体的三维面型。
4) basic contourlet transform
基本轮廓波变换
1.
Referring to the low retrieval rate of basic contourlet transform,a Non-subsampled Contourlet Transform (NSCT) texture image retrieval system is proposed.
针对基本轮廓波变换纹理检索系统检索率较低的问题,提出了一种无下采样轮廓波变换(NSCT)纹理图像检索系统。
5) complex contourlet transform
复轮廓波变换
1.
In order to overcome the aliasing phenomenon commonly existing in real contourlet transform image denoising,some characters of complex contourlet transform whose structure is a cascading of dual tree complex wavelet and directional filter banks are discussed.
为了克服实轮廓波图像消噪后广泛存在的混叠现象,研究了基于双树复小波级联方向滤波器架构的复轮廓波变换图像消噪的若干性质,证明了对于高斯白噪声图像,该变换具有更好的分割能力和抑制能力,并在此基础上提出了一种基于该变换的图像消噪算法。
6) dual tree contourlet transform
双树轮廓波变换
补充资料：轮廓
轮廓
构成图形或物体外缘的线条或事物的概况。在医学上可通过问诊，和体格检查了解疾病，脏器以及肿块的轮廓。
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