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A scalable monitoring framework for leaf area index and green area index using 30°-tilted cameras
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Abstract
• Leaf area index (LAI) and green area index (GAI) are fundamental plant traits. However, there is a lack of ground observation network for LAI/GAI due to technical limitations. Here we present a new method to achieve continuous LAI/GAI monitoring using ordinary cameras.
• By tilting ordinary cameras by 30°, images can cover a large view zenith angle range to measure multi-angular gap fractions and thus to quantify LAI using radiative transfer theory. In addition, using cameras can separate green tissues from non-green tissues. We conducted intensive experiments to evaluate the performance of 30°-tilted cameras and built a countywide LAI/... more
DOI
https://doi.org/10.31223/X57H8S
Subjects
Terrestrial and Aquatic Ecology
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Dates
Published: 2024-07-01 06:22
Last Updated: 2024-07-01 13:22
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