Sky-canopy border length, exposure and thresholding influence accuracy of hemispherical photography for complex plant canopies
Abstract 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...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2018-07-01
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Series: | Botanical Studies |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s40529-018-0235-9 |