Understanding changes of laser backscattering imaging parameters through the kiwifruit softening process using time series analysis

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dc.citation.issue3
dc.citation.volume52
dc.contributor.authorYang Z
dc.contributor.authorLi M
dc.contributor.authorEast A
dc.contributor.authorZude-Sasse M
dc.contributor.editorGould N
dc.date.accessioned2024-10-02T00:14:22Z
dc.date.available2024-10-02T00:14:22Z
dc.date.issued2024-05-12
dc.description.abstractDuring kiwifruit storage, quality monitoring is required for inventory planning and consistent quality maintenance. Commercial near-infrared (NIR) spectrophotometers showed reduced performance in the estimation of kiwifruit flesh firmness (FF) as the FF estimation is indirect and can be affected when both, textural structures and absorbing compounds, change during postharvest ripening. Laser backscattering imaging (LBI) records the backscattered signal after a single laser beam interacts with kiwifruit tissue, including merged information on light absorption and scattering. Measurements were carried out at 830 nm, where scattering is most dominant. In this work, time series of kiwifruit ‘Zesy002’ (n = 30) and ‘Hayward’ (n = 30) LBI were collected through the postharvest ripening during a 15-day shelf life at 20°C. Four LBI parameters capturing DIP, FWHM, SLP and HWQM were selected in this study. ‘‘Zesy002’ DIP, FWHM, SLP, and HWQM increased approx. 0.6 cm, 0.2 cm, 0.3 and 0.14 cm, respectively. ‘Hayward’ LBI increased approx. 0.2 cm, 0.1 cm, 0.2 and 0.04 cm, respectively. Different initial LBI values between cultivars and LBI changes may reflect the actual stage of softening, affected by kiwifruit ripeness. In conclusion, time series analysis could be useful in describing kiwifruit LBI change during ripening and making forecasts.
dc.description.confidentialfalse
dc.format.pagination240-264
dc.identifier.citationYang Z, Li M, East A, Zude-Sasse M. (2024). Understanding changes of laser backscattering imaging parameters through the kiwifruit softening process using time series analysis. New Zealand Journal of Crop and Horticultural Science. 52. 3. (pp. 240-264).
dc.identifier.doi10.1080/01140671.2024.2348139
dc.identifier.eissn1175-8783
dc.identifier.elements-typejournal-article
dc.identifier.issn0114-0671
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/71558
dc.languageEnglish
dc.publisherTaylor and Francis Group on behalf of the Royal Society of New Zealand
dc.publisher.urihttps://www.tandfonline.com/doi/full/10.1080/01140671.2024.2348139
dc.relation.isPartOfNew Zealand Journal of Crop and Horticultural Science
dc.rightsCC BY-NC-ND 4.0
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectActinidia
dc.subjectHolt-winters
dc.subjectARIMA
dc.subjectfirmness
dc.subjectforecast
dc.titleUnderstanding changes of laser backscattering imaging parameters through the kiwifruit softening process using time series analysis
dc.typeJournal article
pubs.elements-id489084
pubs.organisational-groupOther
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