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作品数：14被引量：18H指数：2
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A Novel Fuzzy Inference System-Based Endmember Extraction in Hyperspectral Images
《Intelligent Automation & Soft Computing》2023年第8期2459-2476,共18页M.R.Vimala Devi S.Kalaivani 
Spectral unmixing helps to identify different components present in the spectral mixtures which occur in the uppermost layer of the area owing to the low spatial resolution of hyperspectral images.Most spectral unmixi...
关键词：Hyperspectral image spectral unmixing spectral matching endmember bundles fuzzy inference system 
Grain-size and compositional variability of Yarlung Tsangpo sand(Xigaze transect,south Tibet):Implications for sediment mixing by fluvial and aeolian processes
《Journal of Palaeogeography》2023年第2期195-210,共16页Wen Lai Wen-Dong Liang Xiu-Mian Hu Eduardo Garzanti Hua-Yu Lu Xiao-Long Dong 
supported financially by the Second Tibetan Plateau Scientific Expedition and Research Program(STEP,Grant No.2019QZKK0204);the National Natural Science Foundation of China Project(Grant No.4200020124);the Jiangsu Shuangchuang(Mass Innovation and Entrepreneurship)Talent Program(Grant No.JSSCBS20210014)。
Studying the grain-size dependent compositional variability in modern river sediments provides a key to decipher the information stored in the sedimentary archive and reconstruct the evolution of the Earth’s surface ...
关键词：Modern fluvial sediments Sand petrography Heavy minerals Fluvial/aeolian interactions Endmember grain-size modeling Lhasa Block Himalayan Belt 
Mapping impervious surfaces with a hierarchical spectral mixture analysis incorporating endmember spatial distribution被引量：1
《Geo-Spatial Information Science》2022年第4期550-567,共18页Zhenfeng Shao Yuan Zhang Cheng Zhang Xiao Huang Tao Cheng 
supported by the National Natural Science Foundation of China with grant numbers[41890820,42090012,41771452 and 41771454].
Impervious surface mapping is essential for urban environmental studies.Spectral Mixture Analysis(SMA)and its extensions are widely employed in impervious surface estimation from medium-resolution images.For SMA,inapp...
关键词：Impervious surface Spectral Mixture Analysis(SMA) hierarchical strategy endmember class spatially varied endmember spectra 
Assessing environmental impacts of urban growth using remote sensing被引量：7
《Geo-Spatial Information Science》2020年第1期20-39,共20页John Trinder Qingxiang Liu 
This paper provides a study of the changes in land use in urban environments in two cities,Wuhan,China and western Sydney in Australia.Since mixed pixels are a characteristic of medium resolution images such as Landsa...
关键词：Urban classification Multiple Endmember Mixture Analysis(MESMA) Super-Resolution Mapping(SRM) fragmentation of urban areas urban sustainability Sustainable Development Goals(SDG) Ecosystem Service Values(ESV) 
Detection of short-term urban land use changes by combining SAR time series images and spectral angle mapping被引量：3
《Frontiers of Earth Science》2019年第3期495-509,共15页Zhuokun PAN Yueming HU Guangxing WANG 
Key Program of the National Natural Science Foundation of China (Grant No. U1301253);Guangdong Provincial Science and Technology Project (Nos. 2017A050501031 and2017A040406022);Guangzhou Science and Technology Projects (Nos. 201807010048 and 201804020034);the International Postdoctoral Exchange Fellowship Program 2017 (No. 20170029). The authors would like to express their thanks to European Space Agency for providing Sentinel-1 SAR data as well as ESA-SNAP software in conducting research, our colleagues Haiyan Deng and Li Zhao for their assistance in collecting field validation, and processing images, and the colleagues from the Guangzhou Urban Renewal Bureau for their good suggestions. We also would like to thank the editors and anonymous reviewers for their instructive comments.
Rapid urban sprawl and re-construction of old towns have been leading to great changes of land use in cities of China. To witness short-term urban land use changes, rapid or real time remote sensing images and effecti...
关键词：Sentinel-1 SAR time series IMAGES urban LAND use change DETECTION temporal ENDMEMBER spectral angle mapping 
Spectral Unmixing of Hyperspectral Images in the Presence of Small Targets
《Remote Sensing》2018年第1期28-39,共12页Sylvain Ravel Caroline Fossati Salah Bourennane 
Generally, the content of the hyperspectral image pixel is a mixture of the reflectance spectra of the different components in the imaged scene. In this paper, we consider a linear mixing model where the pixels are li...
关键词：HYPERSPECTRAL UNMIXING detection RARE PIXEL Non-negative matrix FACTORIZATION ENDMEMBER 
Hyperspectral image unmixing algorithm based on endmember-constrained nonnegative matrix factorization被引量：1
《Frontiers of Optoelectronics》2016年第4期627-632,共6页Yan ZHAO Zhen ZHOU Donghui WANG Yicheng HUANG Minghua YU 
The objective function of classical nonnegative matrix factorization （NMF） is non-convexity, which affects the obtaining of optimal solutions. In this paper, we proposed a NMF algorithm, and this algorithm was based...
关键词：hyperspeclral image UNMIXING nonnegativematrix factorization （NMF） correlation logarithm function 
Non-negative matrix factorization based unmixing for principal component transformed hyperspectral data被引量：2
《Frontiers of Information Technology & Electronic Engineering》2016年第5期403-412,共10页Xiu-rui GENG Lu-yan JI Kang SUN 
Non-negative matrix factorization(NMF) has been widely used in mixture analysis for hyperspectral remote sensing. When used for spectral unmixing analysis, however, it has two main shortcomings:(1) since the dimension...
关键词：Non-negative matrix factorization(NMF) Principal component analysis(PCA) ENDMEMBER HYPERSPECTRAL 
Multiple Endmember Hyperspectral Sparse Unmixing Based on Improved OMP Algorithm被引量：1
《Journal of Harbin Institute of Technology(New Series)》2015年第5期97-104,共8页Chunhui Zhao Haifeng Zhu Shiling Cui Bin Qi 
Sponsored by the National Natural Science Foundation of China(Grant No.61405041,61571145);the Key Program of Heilongjiang Natural Science Foundation(Grant No.ZD201216);the Program Excellent Academic Leaders of Harbin(Grant No.RC2013XK009003);the China Postdoctoral Science Foundation(Grant No.2014M551221);the Heilongjiang Postdoctoral Science Found(Grant No.LBH-Z13057)
In conventional linear spectral mixture analysis model,a class is represented by a single endmember.However,the intra-class spectral variability is usually very large,which makes it difficult to represent a class,and ...
关键词：HYPERSPECTRAL image SPARSE representation MULTIPLE ENDMEMBER spectral UNMIXING OMP ANC and ASC 
Spectral data treatments for impervious endmember derivation and fraction mapping from Landsat ETM＋ imagery： a comparative analysis被引量：1
《Frontiers of Earth Science》2015年第2期179-191,共13页Wei WANG Xinfeng YAO Minhe JI Jiao ZHANG 
Various spectral data preprocessing approaches have been used to improve endmember extraction for urban landscape decomposition, yet little is known of their comparative adequacy for impervious surface mapping. This s...
关键词：impervious surface estimation linear spectral 
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