Feedback based modification of the NDVI to minimize canopy background and atmospheric noise

Liu, HQ; Huete, A

Feedback based modification of the NDVI to minimize canopy background and atmospheric noise

Liu, HQ Huete, A

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Publication Type:: Journal Article
Citation:: IEEE Transactions on Geoscience and Remote Sensing, 1995, 33 (2), pp. 457 - 465
Issue Date:: 1995-03-01

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Field	Value	Language
dc.contributor.author	Liu, HQ	en_US
dc.contributor.author	Huete, A https://orcid.org/0000-0003-2809-2376	en_US
dc.date.issued	1995-03-01	en_US
dc.identifier.citation	IEEE Transactions on Geoscience and Remote Sensing, 1995, 33 (2), pp. 457 - 465	en_US
dc.identifier.issn	0196-2892	en_US
dc.identifier.uri	http://hdl.handle.net/10453/13171
dc.description.abstract	The Normalized Difference Vegetation Index (NDVI) equation has a simple, open loop structure (no feedback), which renders it susceptible to large sources of error and uncertainty over variable atmospheric and canopy background conditions. In this study, a systems analysis approach is used to examine noise sources in existing vegetation indices (VI's) and to develop a stable, modified NDVI (MNDVI) equation. The MNDVI, a closed-loop version of the NDVI, was constructed by adding 1) a soil and atmospheric noise feedback loop, and 2) an atmospheric noise compensation forward loop.	en_US
dc.relation.ispartof	IEEE Transactions on Geoscience and Remote Sensing	en_US
dc.relation.isbasedon	10.1109/36.377946	en_US
dc.subject.classification	Geological & Geomatics Engineering	en_US
dc.title	Feedback based modification of the NDVI to minimize canopy background and atmospheric noise	en_US
dc.type	Journal Article
utslib.citation.volume	2	en_US
utslib.citation.volume	33	en_US
utslib.for	0404 Geophysics	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	0909 Geomatic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Life Sciences
pubs.organisational-group	/University of Technology Sydney/Strength - CAMGIS - Centre for Advanced Modelling and Geospatial lnformation Systems
utslib.copyright.status	closed_access
pubs.issue	2	en_US
pubs.publication-status	Published	en_US
pubs.volume	33	en_US

Abstract:

The Normalized Difference Vegetation Index (NDVI) equation has a simple, open loop structure (no feedback), which renders it susceptible to large sources of error and uncertainty over variable atmospheric and canopy background conditions. In this study, a systems analysis approach is used to examine noise sources in existing vegetation indices (VI's) and to develop a stable, modified NDVI (MNDVI) equation. The MNDVI, a closed-loop version of the NDVI, was constructed by adding 1) a soil and atmospheric noise feedback loop, and 2) an atmospheric noise compensation forward loop.

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http://hdl.handle.net/10453/13171