最近被国际标准所采纳的莫逖夫法（MOTIF）则提供了一种可供选择的分离未滤波轮廓的粗糙度和波度的新方法。
The MOTIF method, adopted by ISO and widely used recently, offers an alternative evaluation to separate roughness and waviness based on unfiltered profile.
提出一种基于最大后验和非局域约束的非下采样轮廓波变换域SAR图像去噪方法。
An algorithm of SAR image denoising in nonsubsampled contourlet transform (NSCT) domain based on maximum a posteriori (MAP) and non-local (NL) restriction is proposed.
针对红外图像可视化程度弱、对比度低的问题，提出一种基于轮廓小波变换和区域能量的红外与可见光图像融合算法。
For visualization and contrast of IR images are weak, this paper proposed an algorithm for infrared and visible images fusion using wavelet-based contourlet transform (WBCT) and region energy.
提出了一种基于第二代轮廓波变换的纹理检索系统的实现方法。
A second generation contourlet transform based texture image retrieval system is proposed.
利用支持向量机构造的支持向量值轮廓波变换是一种具有多尺度、多方向和平移不变性的图像表达方法。
Support vector value contourlet transform, which is constructed by support vector machine, is a new kind of image representations which is of multi-scale, multi-direction and shift-invariance.
提出了一种基于非抽样轮廓波变换的红外与可见光图像融合算法。
A fusion algorithm for infrared and visible images using Non-Subsampled Contourlet Transform (NSCT) is proposed.
为了描述数字空间目标轮廓，便于计算机图形表达，提出一种适于描述序列点轮廓的小波描述子。
To describe contours in digital space and simplify the presentation of computer graphics, a wavelet descriptor is presented, which is suitable for contours constructed with a set of points.
构造了由非抽样塔式分解和方向滤波器组实现的冗余轮廓波变换。
The redundant contourlet transform implemented by undecimated pyramidal decomposition and directional filter bank is proposed.
提出了两种在相位轮廓术中使用离散小波变换提取条纹相位的方法：单次分解法和多次分解法。
Two approaches, single decomposition approach and multi-decomposition approach, using discrete wavelet transform for extracting phase in phase profilometry are proposed.
但是，原始的轮廓波变换由于采用拉普拉斯塔式变换而存在一定的冗余度，并且缺乏平移不变性，因此在图像处理等应用中具有其局限性。
However, the original contourlet transform has a certain redundancy and lacks translation invariance, it tends to have its limitation in the applications such as image processing.
在算法中，小波滤波器直接修正重建滤波器，重建得到各种细节图像，并能快速地得到重建图像的轮廓。
The filters of reconstruction are revised directly by wavelet filters in this algorithm and the reconstruction gives us various detail images and coarse images very quickly.
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。
Referring to the low retrieval rate of basic contourlet transform, a Non-subsampled Contourlet Transform (NSCT) texture image retrieval system is proposed.
利用边缘检测算子从计算数据中检测出位于边缘上的点，通过处理压力数据可以在图像中清晰地显示冲击波的轮廓。
A method of detection and visualization of shock waves from the calculated data with the edge detector has been proposed in this paper.
大量仿真实验表明，在不同的分解级，抗混叠轮廓波变换的每个子带系数都是符合GGD模型的。
A large number of simulation experiments show that the coefficients of anti-aliasing Contourlet transform is accorded with the GGD model at different decomposition level.
据格布·哈特说，这样利用“全球的亚毫米波干涉仪”，有可能真正地探测到这个黑洞视界的轮廓显现于星系的背景光之中。
According to Gebhardt, using such a "whole Earth submillimeter interferometer" may actually detect the silhouette of the black hole's event horizon against the galaxy's background glow.
以二次光滑小波作为小波函数，对水果红外图像进行二维二进小波变换，计算了小波变换结果的局部模极大值点，从而得到了水果红外图像的轮廓。
A quadratic lubricity wavelet as wavelet function was defined to do the two dimensional dyadic wavelet transform on fruit infrared image, and to get local modulus maxima from the results.
最后通过与小波变换的应用对比、分析，指出了轮廓波的应用潜力之所在，以及更进一步的研究方向。
The applications of contourlets, comparing with wavelets, are also introduced, and comment on the potential of contourlets for these applications in the future is given.
首先，利用二进小波变换检测建筑物边缘，然后通过计算基于小渡的仿射不变量识别建筑物，最后构建了建筑物轮廓模式数据库。
Firstly, dyadic wavelet was used to extract the edge, and then buildings were recognized by computing the affine invariants, In addition, a building recognition pattern database was constructed.
首先，利用二进小波变换检测建筑物边缘，然后通过计算基于小渡的仿射不变量识别建筑物，最后构建了建筑物轮廓模式数据库。
Firstly, dyadic wavelet was used to extract the edge, and then buildings were recognized by computing the affine invariants, In addition, a building recognition pattern database was constructed.
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