Annette L. Blanchfield

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Regularized regression was used in a discriminant analysis framework to identify the key spectral regions for the separation of hyperspectral reflectance spectra of grapevine leaves. Choice of regularization parameter values was guided by cross-validation: for the field-measured spectra, estimated validation errors 12% were used; whereas for the(More)
Grape phylloxera is a root-feeding pest of grapevines. In Australia, phylloxera infested vineyards are subjected to quarantine restrictions and early detection remains vital for the timely implementation of post-outbreak quarantine protocols. Current detection methods rely on time-consuming ground surveying which involves detailed examination of grapevine(More)
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