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Sky-canopy border length, exposure and thresholding influence accuracy of hemispherical photography for complex plant canopies

BACKGROUND: Hemispherical photography (HP) is a popular method to estimate canopy structure and understorey light environment, which analyses photographs acquired with wide view-angle lens (i.e. fisheye lens). To increase HP accuracy, the approaches of most previous studies were to increase the prec...

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Bibliografiske detaljer
Udgivet i:Bot Stud
Main Authors: Song, Guo-Zhang M., Chao, Kuo-Jung, Doley, David, Yates, David
Format: Artigo
Sprog:Inglês
Udgivet: Springer Berlin Heidelberg 2018
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC6064577/
https://ncbi.nlm.nih.gov/pubmed/30056474
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s40529-018-0235-9
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