查询词典 affine transformation

Three kinds of equivalent ciphers of AES are presented by separating S-box s affine transformation .

分离了AES密码中S盒的仿射变换，得到了与原密码S盒不同的三种等价密码。

All these descriptors are not only robust to illumination change, but also robust to affine transformation and image blurring.

这些颜色不变性描述子不仅具有对图像光照变化的鲁棒性，而且还具有对图像几何变化以及图像模糊的鲁棒性。

An effective image registration procedures, affine transformation and other polynomial transform, can be manual or automatic ri...

一个有效的图像配准程序，采用仿射变换和其他多项式变换，可以手动或自动对两幅图像进行配准。

The types of motion are translation, scale, rotation, perspective, skew and generalized affine transformation.

所采用的方法具有如下特点：不需要任何有关景物内容的先验知识，不进行任何假设限制。

Using the method of the affine transformation,this paper discusses some usual types of shiploader according to the arrangement of rails .

根据装船机的路轨布局，用仿射变换方法探讨了几种常用的装船机型式。

In this paper, we assume that the apparent background motion between two consecutive image frames can be approximated by affine transformation.

为了从动态背景中分割出运动目标，必须先对背景的运动进行补偿。

The periodicity of sub affine transformation of digital images is discussed.

随着计算机技术与数字图像处理技术的发展，对此已有一些研究成果。

Finally, we have the experiment result of algorithm. From the result and the data we can obtain that the algorithm has strong robustness to mesh simplification and affine transformation.

最后给出了该算法的实验结果，从结果和得出的数据可以看出，该算法对网格简化、仿射变换等攻击具有较强的鲁棒性。

In order to overcome the disadvantages of large computation and poor matching efficiency in image stitching, a fast image stitching algorithm based on simple affine transformation was proposed.

针对自动光学检测在电路板元器件检测中对图像拼接的实时性要求比较高的特点，提出了简化的仿射变换模型的快速图像拼接算法。

There are two problems,the first is the fact that its natural covering under the self-affine transformation is not a efficient covering, the second is the fact that the limiting frequency of some digits or fibers may not exit.

其困难在于由于其仿射背景，导致它们的自然覆盖不是一个有效的覆盖，以及某些点或纤维的频率可能不存在导致维数估计的困难。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。