NDLI: Visualization of hyperspectral imagery based on manifold learning

Content Provider	IEEE Xplore Digital Library
Author	Danping Liao Minchao Ye Sen Jia Yuntao Qian
Copyright Year	2013
Description	Author affiliation: Coll. of Comput. Sci. & Software Eng., Shenzhen Univ., Shenzhen, China (Sen Jia) \|\| Coll. of Comput. Sci., Zhejiang Univ., Hangzhou, China (Danping Liao; Minchao Ye; Yuntao Qian)
Abstract	Displaying the abundant information contained in a hyperspectral image is a challenging task. Previous visualization approach focused only on preserving the structure in the original images. They ended up with presenting pseudo-color images and stopped short of adjusting the color of the images to retrieve more desirable visual effects. In this paper, a new visualization algorithm is proposed. It can be modeled as a two stage approach. At the first stage, Laplacian Eigenmaps algorithm is applied to reduce the dimension of the hyperspectral image. In this way we obtain a three dimensional image with pseudo-color. At the second stage, we transfer the natural color of a panchromatic image to the image obtained by the first step via manifold alignment. Experimental results show that the visualized image not only retains the structure of the hyperspectral image but also possesses natural colors.
Sponsorship	IEEE Geosci. Remote Sens. Soc.
Starting Page	1979
Ending Page	1982
File Size	1471718
Page Count	4
File Format	PDF
ISBN	9781479911141
ISSN	21536996
DOI	10.1109/IGARSS.2013.6723196
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Manifolds Image color analysis Hyperspectral imaging Laplace equations Visual effects Principal component analysis color transfer Hyperspectral imagery visualization manifold learning
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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