NDLI: Dense registration of push broom hyperspectral imageries

Content Provider	IEEE Xplore Digital Library
Author	Guo Dong Ng Teck Khim Pang Sze Kim Adrian, Y.C.L.
Copyright Year	2011
Description	Author affiliation: DSO National Laboratories, Singapore (Guo Dong; Ng Teck Khim; Pang Sze Kim; Adrian, Y.C.L.)
Abstract	Push broom hyperspectral imaging is a process where a number of 1-D linear images are continuously sampled from a line-scan camera. These linear images need to be realigned to form a 2-D scene image using direct geo-referencing measurements such as GPS/INS. Such kind of geometric rectification is not exact, resulting in distortions in spatial coordinates. Common linear transformations are inadequate for the registration of such imageries. Nonlinear image registrations need to be exploited instead. In this paper, we propose an efficient coarse-to-fine solution for the registration of push broom hyperspectral imageries. In the coarse registration stage, Piece-wise Linear transformation is used to compensate for the large geometric differences between two hyperspectral imageries. The registration results are refined using a point-to-point dense mapping in the fine registration stage. Experimental results show that the proposed solution is feasible for the registration of push broom hyperspectral imageries with good registration accuracy.
Starting Page	1
Ending Page	4
File Size	300402
Page Count	4
File Format	PDF
ISBN	9781457722028
ISSN	21586268
e-ISBN	9781457722011
DOI	10.1109/WHISPERS.2011.6080915
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-06
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Integrated circuits Image registration Accuracy Optical distortion Cameras Optical imaging Hyper-spectral imaging Piece-wise linear transformation Optical flow Coarse-to-fine image registration Hyperspectral imaging
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	Mr. Siddhartha Mukherjee siddhartha@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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