Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 563672
Title Statistical assessment of dataset shift and model portability in multi-angle in-track image acquisitions
Author(s) Matasci, Giona; Longbotham, Nathan; Pacifici, Fabio; Kanevski, Mikhail; Tuia, Devis
Source In: 2013 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013 - Proceedings. - - p. 4134 - 4137.
Event 2013 33rd IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2013, Melbourne, VIC, 2013-07-21/2013-07-26
DOI https://doi.org/10.1109/IGARSS.2013.6723743
Publication type Contribution in proceedings
Publication year 2013
Keyword(s) Domain adaptation - Image classification - Maximum mean discrepancy - Multi-angle acquisitions
Abstract

In this study we propose an evaluation of the angular effects altering the spectral response of the land-cover over multi-angle remote sensing image acquisitions. The shift in the statistical distribution of the pixels observed in an in-track sequence of WorldView-2 images is analyzed by means of a kernel-based measure of distance between probability distributions. Afterwards, the portability of supervised classifiers across the sequence is investigated by looking at the evolution of the classification accuracy with respect to the changing observation angle. In this context, the efficiency of various physically and statistically based preprocessing methods in obtaining angle-invariant data spaces is compared and possible synergies are discussed.

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