Other

The New Zealand Institute for Plant and Food Research Limited

Nathaniel Kenneth Tomer

Vincent Andrew McGlone

Zhe Sun

Rainer Künnemeyer

An aspect of the invention provides a method for determining at least one internal quality attribute of an article () of agricultural produce. The method includes receiving a plurality of first spectroscopic values obtained from directing low band light in a first wavelength associated to a low band of wavelengths from at least one low band light source () at least partly through the article () toward at least one detector (); receiving a plurality of second spectroscopic values obtained from directing high band light in a second wavelength associated to a high band of wavelengths from at least one high band light source () at least partly through the article () toward the at least one detector (); determining at least one measured spatial profile associated to the article, the at least one measured spatial profile comprising at least one of a plurality of ratios of respective first spectroscopic values to respective second spectroscopic values, a plurality of ratios of respective second spectroscopic values to respective first spectroscopic values; and determining the at least one internal quality attribute at least partly from a comparison of the at least one measured spatial profile with at least one reference spatial profile associated to a class of articles of agricultural produce.

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Hamilton, New Zealand

Nathaniel Kenneth Tomer