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Laser-induced fluorescence monitoring of Chinese Longjing tea
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
2012 (English)In: Remote Sensing For Agriculture, Ecosystems, And Hydrology XIV, SPIE - International Society for Optical Engineering, 2012, 85311T- p.Conference paper, Published paper (Refereed)
Abstract [en]

Laser-induced fluorescence (LIF) spectra of a bush and numerous branches of Chinese Longjing tea were investigated remotely with lidar techniques. The intensity ratio between the far red fluorescence (FRF) and red fluorescence (RF) due to the chlorophyll content of the tea branches were analyzed to study the growth conditions in different villages around Hangzhou, China. Dried Longjing tea leaves were also measured by LIF techniques in the laboratory. A chemometric method based on singular value decomposition (SVD) and linear discriminant analysis (LDA) was used to evaluate the tea qualities of the dried tea leaves.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2012. 85311T- p.
Series
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X ; 8531
Keyword [en]
Laser-induced fluorescence, LIF, chlorophyll, chemometric, FRF, RF
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-128962DOI: 10.1117/12.974562ISI: 000313661400052ISBN: 978-0-8194-9271-5 (print)OAI: oai:DiVA.org:kth-128962DiVA: diva2:649626
Conference
Remote Sensing for Agriculture, Ecosystems, and Hydrology XIV Conference; Edinburgh; United Kingdom; 24 September 2012 through 26 September 2012
Note

QC 20130919

Available from: 2013-09-19 Created: 2013-09-17 Last updated: 2017-06-13Bibliographically approved

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Mei, LiangSomesfalean, GabrielSvanberg, Sune
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CiteExportLink to record
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Citation style
  • apa
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