搜索结果: 1-15 共查到“fractal dimension”相关记录21条 . 查询时间(0.114 秒)
中国地质大学科学技术发展院夏宇轩(博士研究生), 蔡建超*等, 地空学院 Journal of Hydrology, 2019, Fractal dimension, lacunarity and succolarity analyses on CT images of reservoir rocks for permeability prediction
储层岩石；复杂；微观结构；定量；表征；渗透率；建模领域
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2021/10/20
近日，中国地质大学地空学院蔡建超教授团队在国际著名地学期刊Journal of Hydrology上发表了储层岩石复杂微观结构定量表征及渗透率建模领域的研究成果：“Fractal dimension, lacunarity and succolarity analyses on CT images of reservoir rocks for permeability prediction”。该文...
IMAGERY TEXTURE ANALYSIS BASED ON MULTI-FEATURE FRACTAL DIMENSION
Texture Feature extraction Classification Reliability Precision
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2015/12/31
Texture is the important spatial structure information and primary feature of remote sensing imagery. It contains the surface information of imagery and the relationship with around environment. First...
A NEW BAND SELECTION ALGORITHM FOR HYPERSPECTRAL DATA BASED ON FRACTAL DIMENSION
Hyper spectral Imagery Geometric information Feature extraction Algorithms
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2015/12/30
Feature selection especially band selection plays important roles in hyperspectral remote sensed image processing. It is worth nothing that band selection approaches need to be combined with image spa...
Fractal dimension confidence interval estimation of epicentral distributions
correlation dimension confidence interval seismicity
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2015/9/30
Estimates of the fractal dimension of hypocentral distributions require evaluating the range of independent variables in which fractal parameters exhibit a power law. Systematic and accidental errors ...
SAR IMAGE SEGMENTATION THROUGH B-SPLINE DEFORMABLE CONTOURS AND FRACTAL DIMENSION
change detection classifi cation edge extraction
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2015/6/1
Synthetic Aperture Radar (SAR) images are usually corrupted by a signal-dependent non-additive noise called speckle.
This makes difficult the segmentation, object identification, and feat...
Optimal box-covering algorithm for fractal dimension of complex networks
Optimal box-covering algorithm fractal dimension complex networks Computational Physics
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2012/4/24
The self-similarity of complex networks is typically investigated through computational algorithms the primary task of which is to cover the structure with a minimal number of boxes. Here we introduce...
Fractal dimension evolution and spatial replacement dynamics of urban growth
bifurcation chaos fractal dimension Boltzmann’s equation logistical map spatial replacement nonlinear dynamics urban form urban growth
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2011/8/29
This paper presents a new perspective of looking at the relation between fractals and chaos by means of cities. Especially, a principle of space filling and spatial replacement is proposed to explain ...
Soil texture fractions and fractal dimension of particle size distribution as predictors of interrill erodibility
Erosion predictor fractal dimension
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2011/6/29
Choosing a particular textural fraction as an erodibility predictor is often confusing because various fractions of soil particles have been introduced as erodibility index by many researchers.
Effect of Fractal Dimension on CO Selectivity of K−Ni/α-Al2O3 Catalyst for High Pressure Oxidative Reforming of Methane
Oxidative methane reforming Fractal dimension Orthogonal array Radial basis function network Multivariate analysis
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2010/9/8
To suppress total oxidation and increase the CO selectivity of high-pressure oxidative reforming of methane, preparation parameters of K−Ni/α-Al2O3 catalyst were optimized. The target preparatio...
A procedure to Estimate the Fractal Dimension of Waveforms
Fractal Dimension of Waveforms time zero
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2010/4/6
A method is described for calculating the approximate fractal dimension from a set of N values y sampled from a waveform between time zero and t. The waveform was subjected to a double linear transfor...
A modification of the method for determination of surface fractal dimension and multifractal analysis
Computer Assistance in the engineering tasks and scientific research Fractal dimension Multifractal spectrum
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2009/12/14
Purpose: In this work modification of the PCM method for determination of the surface fractal dimension is proposed. Complete reasoning, leading to correct formula for determination Ai(δ) is presented...
Using a stochastic model, we simulate the process of dielectric breakdown in the atmosphere and calculate the fractal dimension of 3-dimensional lightning patterns. Finite-size effects have been studi...
Impulse exchange at the surface of the ocean and the fractal dimension of drifter trajectories
Impulse exchange surface of the ocean fractal dimension drifter trajectories
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2009/11/12
An impulse-based model is developed to represent a coupling between turbulent flow in the atmosphere and turbulent flow in the ocean. In particular, it is argued that the atmosphere flowing horizontal...
Soil texture fractions and fractal dimension of particle size distribution as predictors of interrill erodibility
Erosion predictor fractal dimension interrill erodibility soil texture
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2011/3/22
Choosing a particular textural fraction as an erodibility predictor is often confusing because various fractions of soil particles have been introduced as erodibility index by many researchers. Recent...
Describing soil surface microrelief by crossover length and fractal dimension
soil surface microrelief rossover length fractal dimension
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2009/11/3
Accurate description of soil surface topography is essential because different tillage tools produce different soil surface roughness conditions, which in turn affects many processes across the soil s...