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.

    We have a manual that explains all the features 

Record number 363596
Title Continuous Wavelet Transformations for Hyperspectral Feature Detection
Author(s) Ferwerda, J.G.; Jones, S.D.
Source In: Progress in Spatial Data Handling / Riedl, A., Kainz, W., Elmes, G.A., Berlin Heidelberg : Springer - ISBN 9783540355885 - p. 167 - 178.
Department(s) Resource Ecology
Publication type Peer reviewed book chapter
Publication year 2006
Abstract A novel method for the analysis of spectra and detection of absorption features in hyperspectral signatures is proposed, based on the ability of wavelet transformations to enhance absorption features. Field spectra of wheat grown on different levels of available nitrogen were collected, and compared to the foliar nitrogen content. The spectra were assessed both as absolute reflectances and recalculated into derivative spectra, and their respective wavelet transformed signals. Wavelet transformed signals, transformed using the Daubechies 5 motherwavelet at scaling level 32, performed consistently better than reflectance or derivative spectra when tested in a bootstrapped phased regression against nitrogen.
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