Abstract
An approach is described for discriminating between different liquors with a portable system based upon chromatic monitoring. It uses a webcam–computer combination in a robust manner and has the potential for making cursory assessments in the field. The behaviour of the system has been investigated using subsidiary measurements with a spectrometer, from which the repeatability of test results has been assessed. It is shown that the webcam–computer system can provide useful referencing to reduce the influence of system artefacts and so yield good discrimination between different liquors without the use of a spectrometer.
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