云南高校图书馆联盟文献共享服务平台- LACUNARITY

LACUNARITY: 作品数：10被引量：16H指数：3; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关作者：王宽全张宏志黄勃王淑英林晓东更多>>; 相关机构：解放军第211医院哈尔滨工业大学香港理工大学更多>>; 相关期刊：《International Journal of Ophthalmology(English edition)》《Communications in Theoretical Physics》《Open Journal of Pathology》《Journal of Mountain Science》更多>>; 相关基金：国家自然科学基金更多>>

Extraction of lacunarity variation index for revealing the slope pattern in the Loess Plateau of China: 《Frontiers of Earth Science》2021年第1期94-105,共12页Ziyang DAI Fayuan LI Mingwei ZHAO Lanhua LUO Haoyang JIAO; supported by the National Natural Science Foundation of China(Grant Nos.41930102,41571383,41771415,41801321,and 41701450).; Lacunarity analysis is frequently used in multiscale and spatial pattern studies.However,the explanation for the lacunarity analysis results is limited mainly at a qualitative description level.In other words,this app...; 关键词：lacunarity variation index(LVI) slope pattern characteristic scale the Loess Plateau digital elevation model(DEM)

Hidden periodicity in Stripe 82 with Saraswati supercluster—a fractal analysis: 《Communications in Theoretical Physics》2021年第1期71-77,共7页Vimal Raj M S Swapna S Sankararaman; The manuscript attempts to explore the periodicity in the distribution of galaxies in the recently reported Saraswati supercluster and the Stripe 82 region containing it as an example.The report of 120 Mpc periodicity...; 关键词：galaxy distribution fractal analysis MULTIFRACTALS LACUNARITY Saraswati supercluster Stripe 82

Structural Patterns of Immunoreactivity to Cytokeratin 18 in Normal Prostate and Benign Prostate Hyperplasia: Global and Local Differences: 《Open Journal of Pathology》2017年第2期25-44,共20页Luis Santamaría Ildefonso Ingelmo Fernando Teba; Background: Benign prostate hyperplasia (BPH) is the most common benign disease of the human prostate. The comparison between global versus local changes in spatial patterns of pathological lesions provoked a growing ...; 关键词：PROSTATE HYPERPLASIA CYTOKERATIN 18 Volume FRACTION LACUNARITY

Characterization of human retinal vessel arborisation in normal and amblyopic eyes using multifractal analysis被引量：1: 《International Journal of Ophthalmology(English edition)》2015年第5期996-1002,共7页Stefan Tǎlu Cristina Vlǎdutiu Carmen A.Lupascu; AIMTo characterize the human retinal vessel arborisation in normal and amblyopic eyes using multifractal geometry and lacunarity parameters.METHODSMultifractal analysis using a box counting algorithm was carried out f...; 关键词：RETINA retinal vessels AMBLYOPIA STRABISMUS MULTIFRACTALS LACUNARITY

Fractal lacunarity of trabecular bone and magnetic resonance imaging:New perspectives for osteoporotic fracture risk assessment被引量：3: 《World Journal of Orthopedics》2015年第2期221-235,共15页Annamaria Zaia; Osteoporosis represents one major health condition for our growing elderly population. It accounts for severe morbidity and increased mortality in postmenopausal women and it is becoming an emerging health concern eve...; 关键词：OSTEOPOROSIS Fracture risk TRABECULAR bone MICROARCHITECTURE FRACTAL analysis FRACTAL LACUNARITY

Structure Analysis and Classification of Precipitation Cells by Fractal Geometry: 《Journal of Electronic Science and Technology》2014年第2期220-223,共4页Nafissa Azzaz Boualem Haddad; This paper analyzes the possibility to discriminate between convective precipitation and stratiform precipitation. This study aims to improve the measurement of rainfall from teledetection data obtained both on the gr...; 关键词：Convectives cells fractal dimension fractal lacunarity RADAR stratiforms cells

Spatial Structure Characteristics Detecting of Landform based on Improved 3D Lacunarity Model被引量：4: 《Chinese Geographical Science》2012年第1期88-96,共9页TAO Yang TANG Guo'an Josef STROBL; Under the auspices of National Natural Science Foundation of China (No.40930531,41171320,41001301); The spatial structure characteristics of landform are the foundation of geomorphologic classification and recognition.This paper proposed a new method on quantifying spatial structure characteristics of terrain surfac...; 关键词：digital elevation model （DEM） 3D Lacunarity model spatial pattern terrain texture LANDFORM

NDVI-Based Lacunarity Texture for Improving Identification of Torreya Using Object-Oriented Method被引量：5: 《Agricultural Sciences in China》2011年第9期1431-1444,共14页HAN Ning WU Jing Amir Reza Shah Tahmassebi XU Hong-wei WANG Ke; supported by the National Natural Science Foundation of China (30671212); Normalized Difference Vegetation Index （NDVI） is a very useful feature for differentiating vegetation and non-vegetation in remote sensed imagery. In the light of the function of NDVI and the spatial patterns of the...; 关键词：Torreya NDVI LACUNARITY class hierarchy object-oriented method decision tree spatial pattern

Fractal Measures of Drainage Network to Investigate Surface Deformation from Remote Sensing Data: A Paradigm from Hindukush (NE-Afghanistan)被引量：3: 《Journal of Mountain Science》2011年第5期641-654,共14页Syed Amer MAHMOOD Richard GLOAGUEN; This approach represents the relative susceptibility of the topography of the earth to active deformation by means of geometrical distinctiveness of the river networks. This investigation employs the fractal analysis ...; 关键词：FRACTAL Drainage network LACUNARITY Succolarity Surface deformation and Hindukush

Focusing Properties of Fractal Zone Plates with Variable Lacunarity：Experimental Studies Based on Liquid Crystal on Silicon: 《Chinese Physics Letters》2005年第11期2851-2854,共4页戴海涛王昕徐克璹; Supported by the National High Technology Development Program of China under Grant No 2002AA84TS11, the National Natural Science Foundation of China under Grant No 6987704 and the China Academy of Engineering Physics under Grant No 10176007.; The focusing properties of fractal zone plates （FZPs） with different structure parameters are studied experimentally. The axial irradiance of FZPs is deduced at n=4. The experimental results are in good agreement wi...; 关键词：DIFFRACTION SUPERLATTICES

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