NDLI: Multitemporal spectral unmixing for change detection in hyperspectral images

Content Provider	IEEE Xplore Digital Library
Author	Sicong Liu Bruzzone, L. Bovolo, F. Peijun Du
Copyright Year	2015
Description	Author affiliation: Dept. of Geogr. Inf. Sci., Nanjing Univ., Nanjing, China (Peijun Du) \|\| Dept. of Inf. Eng. & Comput. Sci., Univ. of Trento, Trento, Italy (Sicong Liu; Bruzzone, L.) \|\| Center for Inf. & Commun. Technol., Fondazione Bruno Kessler, Trento, Italy (Bovolo, F.)
Abstract	This paper develops a novel multitemporal spectral unmixing (MSU) approach for addressing the challenging multiple-change detection problem in bi-temporal hyperspectral (HS) images. Differently from state-of-the-art techniques that mainly perform at a pixel level, the proposed MSU approach investigates the spectral-temporal variations at a subpixel level. A multitemporal spectral mixture model is defined to analyze the spectral composition within a pixel. Distinct multitemporal endmembers (MT-EMs) are extracted and employed for distinguishing change and no-change MT-EMs in the unmixing model. The CD problem is solved by analyzing the abundances of the unique change and no-change multitemporal endmembers and their contribution to each pixel. Experimental results obtained on multitemporal Hyperion HS images confirmed the effectiveness of the proposed method.
Starting Page	4165
Ending Page	4168
File Size	564615
Page Count	4
File Format	PDF
e-ISBN	9781479979295
DOI	10.1109/IGARSS.2015.7326743
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hyperspectral imaging Mixture models Algorithm design and analysis Image color analysis Spatial resolution unsupervised analysis Change detection multiple changes spectral unmixing hyperspectral images
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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