查询词典 unitary invariant

This method not only has the feature of translation invariant, but also avoids image segmentation which may lead to a complex calculation, so it can be realized easily.

该方法既满足位置不变性，又能避免进行图像分割，从而避免了因图像分割引起的复杂计算，使算法容易实现。

Image object can be normalized by 2-points which are invariant to the translation, rotation and scaling of the objects.

两种不变性特征提取法分别为新型矩和基于子波变换的旋转不变性参数提取法。

The influence on the effects of image de-noising and Compute complexity is discussed by altering the value of translation Invariant.

着重探讨平移不变小波去噪方法中平移量的选取对去噪效果以及计算复杂度的影响。

Programming with maltlab realize the translation invariant denoising fast algorithm, combined with examples of validation of the method of de-noising performance.

详细说明：用maltlab编程实现了平移不变量去噪的快速算法，结合例子验证该方法的去噪性能。

The proposed algorithm is demonstrated by applications to be invariant to translation and scaling, is about 30 times more computationally efficient than the Fourier-based descriptors.

实际应用验证表明，该算法对轮廓特征的表述具有较好的平移、尺度不变性，且具有30倍于傅里叶描述子的运算效率。

The main results as follow:(1) We give three kinds of distance of interval-valued fuzzy sets defined on real line R, denoted by d~*,d_p~* and d_∞~*, and study some properties, for example, homogeneity, translation invariant and so on.

主要工作如下：(1)给出了定义在实数域R上的区间值模糊集之间的三种距离d~*，d_p~*和d_∞~*，讨论了它们的基本性质，如齐次性、平移不变性等。

In order to conquer the threshold method's shortages,the threshold function is further improved through the simulation of channel's noise based on the translation invariant wavelet,which makes the threshold...

为了克服阈值法的不足，在平移不变量小波阈值去噪法的基础上，通过仿真低压电力线信道噪声，对阈值函数进一步改进，使阈值的变化与噪声的小波变换随尺度的变化特性相一致。

Besides having the invariant to the translation,scaling and rotation,the wavelet moment has the multiresolution properties so it is suitable for classing the very similar objects.

小波矩除了具有矩特征的平移、缩放和旋转不变及抗噪性强的特性以外，还增加了小波对图象结构精细特征的把握能力强的优点。

Orthogonal wavelet transform is not possessed with linear phase or translation invariant features, so there are still many problems in the field of signal noise reduction, such as signal oscillation phenomenon.

其中正交小波变换不具备线性相位、不具有平移不变性等特性，导致其在信号降噪领域仍存在很多问题，会使信号产生振荡现象。

Wavelet moments are translation, rotation and scale invariant, and can extract local multi-level features, so they are applied as features to describe motion sequence and actions.

小波矩具有平移、旋转和缩放不变性，能够提取局部多层次特征，被用来作为特征描述运动序列以及动作。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。