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22 February 2008Hyperspectral laser-induced flourescence imaging for assessing internal quality of kiwi fruit
This paper describes an experimental study on non-destructive methods for predicting quality of kiwifruits using
fluorescence imaging. The method is based on hyperspectral laser-induced fluorescence imaging in the region between
700 and 1110 nm, and estimates the kiwifruits quality in terms of internal sugar content and firmness. A station for
acquiring hyperspectral laser-induced fluorescence imaging has been designed and carefully choosing each component.
The fluorescence imaging acquired by the station has been pre-processed by selecting regions of interest (ROIs) of
50 100 × pixels. A line regressing prediction method estimates the quality of kiwifruit samples. The results obtained in
classification show that the station and prediction model enables the correct discrimination of kiwifruits internal sugar
content and firmness with a percentage of r= 98.5%, SEP=0.4 and r=99.9%, SEP=0.62.
Muhua Liu,Yifeng Liao, andXiaomei Zhou
"Hyperspectral laser-induced flourescence imaging for assessing internal quality of kiwi fruit", Proc. SPIE 6622, International Symposium on Photoelectronic Detection and Imaging 2007: Laser, Ultraviolet, and Terahertz Technology, 66220I (22 February 2008); https://doi.org/10.1117/12.790739
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Muhua Liu, Yifeng Liao, Xiaomei Zhou, "Hyperspectral laser-induced flourescence imaging for assessing internal quality of kiwi fruit," Proc. SPIE 6622, International Symposium on Photoelectronic Detection and Imaging 2007: Laser, Ultraviolet, and Terahertz Technology, 66220I (22 February 2008); https://doi.org/10.1117/12.790739