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Development of a multi-spectral vision system for the detection of defects on apples

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Academic year: 2021

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Figure

Table 1 presents the geometrical differences between the 800 nm sub-image and the other spectral  compo-nents
Fig. 2. Example of a multi-spectral image of a hail damage (in the centre of the view).
Fig. 3. Example of the correlation template matching method applied for the detection of a calyx.
Fig. 4 presents the projections of the frequency distri- distri-butions of the sound and defective tissue onto the planes defined by the 450/750 nm and 750/800 nm spectral  com-ponents
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