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Título

VIS-NIR, SWIR and LWIR Imagery for Estimation of Ground Bearing Capacity

AutorFernández Saavedra, Roemi E. ; Montes, Héctor ; Salinas, Carlota
Palabras claveGround bearing capacity
Visible-Near InfraRed (VIS-NIR)
Long-Wave InfraRed (LWIR)
Short-Wave InfraRed (SWIR)
Multispectral
Soil moisture
Optical filters
Penetrometer
Soil compaction
Fecha de publicación15-jun-2015
EditorMultidisciplinary Digital Publishing Institute
CitaciónSensors 15(6): 13994-14015 (2015)
ResumenGround bearing capacity has become a relevant concept for site-specific management that aims to protect soil from the compaction and the rutting produced by the indiscriminate use of agricultural and forestry machines. Nevertheless, commonly known techniques for its estimation are cumbersome and time-consuming. In order to alleviate these difficulties, this paper introduces an innovative sensory system based on Visible-Near InfraRed (VIS-NIR), Short-Wave InfraRed (SWIR) and Long-Wave InfraRed (LWIR) imagery and a sequential algorithm that combines a registration procedure, a multi-class SVM classifier, a K-means clustering and a linear regression for estimating the ground bearing capacity. To evaluate the feasibility and capabilities of the presented approach, several experimental tests were carried out in a sandy-loam terrain. The proposed solution offers notable benefits such as its non-invasiveness to the soil, its spatial coverage without the need for exhaustive manual measurements and its real time operation. Therefore, it can be very useful in decision making processes that tend to reduce ground damage during agricultural and forestry operations.
Versión del editorhttp://dx.doi.org/10.3390/s150613994
URIhttp://hdl.handle.net/10261/117617
DOI10.3390/s150613994
E-ISSN1424-8220
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