Detection of Ground Materials Using Normalized Difference Indices with a Threshold: Risk and Ways to Improve

Fen Chen, Tim Van de Voorde, Dar Roberts, Haojie Zhao, Jingbo Chen

Onderzoeksoutput: Articlepeer review

Samenvatting

In this short communication, we describe the shortcomings and pitfalls of a commonly used method to detect ground materials that relies on setting thresholds for normalized difference indices. We analyze this method critically and present some experimental results on the USGS and ECOSTRESS spectral libraries and on real Sentinel-2 and Landsat-8 images. We demonstrate the risk of commission errors and provide some suggestions to reduce it.

Originele taal-2English
Artikelnummer450
Pagina's (van-tot)1-10
Aantal pagina's10
TijdschriftRemote Sensing
Volume13
Nummer van het tijdschrift3
DOI's
StatusPublished - 28 jan 2021

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