Objective: To probe the fractional dimension feature of lung cancers texture.
目的:探索肺癌图像的纹理分形维数特征。
The fractional dimension reflects the complicity and essential features of the system.
分数维的大小可以反映系统的复杂性,揭示系统的本质规律。
The value of fractional dimension represents some characteristics of texture in a sense.
分维数值从某种意义上代表了组织的一些纹理特征。
Method The value of fractional dimension for liver CT image is calculated by differential box counting.
方法以差分盒计算方法计算肝脏CT图像表面灰度的分维数值。
The shape of the concrete bonding surface is very irregular usually, and its measured data by fractional dimension device is a stochastic process.
通常混凝土粘结面的形状极不规则,其表面的分维仪测值是一随机过程。
The basic conception of fractal is introduced, and the way to generate an orebody surface by means of fractional dimension is discussed in this paper.
简要介绍分形的基本概念,探讨用分数维法模拟矿体表面的途径。
Through the comparative analysis of the sand filling method and fractional dimension of power spectrum method, we can find that the great wave of the...
对粘结面采用灌砂法和功率谱法分维对比分析后认为,功率谱法的分维值及相应的截距可对粘结面大的波形起伏与粗糙点进行描述。
The characteristics of chaos, are that positive characteristic exponents and fractional dimension can quantitatively express the turbulent intermittency.
正的特征指数和分数维可以定量表征湍流的间歇性。
A case study indicates that fractional dimension can be used as a typical parameter to exactly reflect the structural characteristics of various soil grain sizes.
实例计算表明,分维作为描述土体粒度成分特征的参数,能较好反映了各种粒径大小在土体中的组成特点,可将其作为土体工程分类的一个综合性定量指标。
On the basis of historical material of unlimited thinking that from dimension to fractional dimension, the author summarizes the unlimited thinking of them respectively.
从整数维到分维的丰富无限性思想历史材料的基础上,分别对其包含的无限性思维予以提炼总结。
The fractional Brownian motion based fractal Image with desired fractional dimension can be generated by applying its shaping filter to a Gaussian distributed white process.
用成形滤波器对高斯分布的白色过程滤波,便可以得到具有期望分数维的布朗运动分形图形。
The concept of varying-time dimension is presented and the original fractional Brownian motion model is extended to be a locally self-similarity stochastic process.
提出了时变维数的概念,对原有分数布朗运动模型加以拓展,使其成为具有局部自相似性的随机过程。
Fractional theory and its characteristics were introduced, so were the computational formula of Fractal dimension and its physical significance.
介绍了分形理论及其特点、分形维数的计算公式与它的物理意义。
Luckily, an anisotropy system can be treated as an isotropy system in fractional-dimension space, where the dimension is determined by degree of anisotropy.
引入分数维空间模型,可以把各向异性的系统转换为各向同性的分数维系统。
It also discusses the problems, such as the generalization of the fractal concept, the calculation and significant of the fractal dimension, the power laws, the fractional Bro.
同时,对分形概念的拓广、分维求法及意义、幂律问题、分数布朗运动、方位分维估值法等问题也作了初步的探讨。
It also discusses the problems, such as the generalization of the fractal concept, the calculation and significant of the fractal dimension, the power laws, the fractional Bro...
同时,对分形概念的拓广、分维求法及意义、幂律问题、分数布朗运动、方位分维估值法等问题也作了初步的探讨。
Thus, the 2-dimension cross ambiguity function is a surface form of fractional correlation for 1-dimension signals, each signal is associated with the Angle of observation over the surface.
因此,二维交叉模糊度函数是一维信号分数相关的表面形式,每一信号都与表面观察的角度有关。
Fractional Hall effect is described in an universal formalized theory of fraction-dimension calculus. The three existence theorems of the fractional infinite product state are given.
给予分数Hall效应以普遍的分数微积分数学形式理论描述。并给出无穷积态存在三条定理。
Fractional Hall effect is described in an universal formalized theory of fraction-dimension calculus. The three existence theorems of the fractional infinite product state are given.
给予分数Hall效应以普遍的分数微积分数学形式理论描述。并给出无穷积态存在三条定理。
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