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Bruises in Strawberries - Spectral Cameras

Bruises in Strawberries - Spectral Cameras

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Results and Discussion<br />

Classification efficiency (success <strong>in</strong> %)<br />

for bruised and non-bruised pixels us<strong>in</strong>g<br />

stepwise l<strong>in</strong>ear discrim<strong>in</strong>ant analysis<br />

Discrim<strong>in</strong>ant<br />

function<br />

wavelengths, nm<br />

Model<br />

development<br />

Nonbruised<br />

Bruised<br />

Bruised Nonbruised<br />

Nonbruised<br />

Model<br />

validation<br />

Bruised<br />

980 96.0 88.4 98.8 84.6<br />

980, 825 99.4 90.7 99.7 86.5<br />

980, 825, 925 99.4 90.9 99.8 86.5<br />

980, 825, 925, 680 99.6 91.3 99.8 86.7<br />

980, 825, 925, 680, 650 99.5 91.8 99.9 86.1<br />

? O<br />

? ×<br />

Masateru Nagata, Jasper Tallada, Taiichi Kobayashi, University of Miyazaki

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