Proximal near-infrared spectral reflectance characterisation of weed species in New Zealand pasture
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Authors
Holmes, Wayne
Ooi, Melanie
Look, Morgan
Kuang, Y.C.
Simpkin, R.
Blanchon, Dan
Demidenko, S.
Ooi, Melanie
Look, Morgan
Kuang, Y.C.
Simpkin, R.
Blanchon, Dan
Demidenko, S.
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Grantor
Date
2019-09-09
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Type
Conference Contribution - Paper in Published Proceedings
Ngā Upoko Tukutuku (Māori subject headings)
Keyword
New Zealand
weed detection and identification
weeds
pastures
spectral reflectance
field spectroscopy
proximal imaging
spectral imaging
weed detection and identification
weeds
pastures
spectral reflectance
field spectroscopy
proximal imaging
spectral imaging
ANZSRC Field of Research Code (2020)
Citation
Holmes, W.S., Ooi, M., Look, M., Kuang, Y.C., Simpkin, R., Blanchon, D., & Demidenko, S. (2019). Proximal Near-Infrared Spectral Reflectance Characterisation of Weed Species in New Zealand Pasture. 2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2019) (pp. 596-601).
Abstract
Recent extensive study was performed on Jacobaea vulgaris that characterized the plant leaves using hyperspectral reflectance against the successional stage of vegetation. It reported a high similarity of the leaf spectral reflectance measurement over the plant’s different stages of growth.
This paper extends the earlier study by characterizing the proximal spectral reflectance measurements of three species of common New Zealand pasture weeds:
(a) Jacobaea Vulgaris; (b) Rubus; and (c) Ulex
growing in three different common soil pastures, specifically:
(i) Typic Orthic Gley; (ii) Typic Orthic Granular; (iii) Typic Orthic Brown.
The research goes on to determine the inter- and intra- species proximal spectral reflectance variation of the studied common weeds. Finally, it examines the suitability and extent of accuracy of different statistical analysis methods when applied on proximal spectral reflectance measurement to identify the three commonspecies of weeds growing on New Zealand pastures.
Publisher
IEEE Instrumentation and Measurement Society
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