Monitoring leaf phenology in moist tropical forests by applying a superpixel-based deep learning method to time-series images of tree canopies

G Song, S Wu, CKF Lee, SP Serbin, BT Wolfe… - ISPRS Journal of …, 2022 - Elsevier
Tropical leaf phenology—particularly its variability at the tree-crown scale—dominates the
seasonality of carbon and water fluxes. However, given enormous species diversity …

An ecologically-constrained deep learning model for tropical leaf phenology monitoring using PlanetScope satellites

J Wang, G Song, M Liddell, P Morellato… - Remote Sensing of …, 2023 - Elsevier
In tropical forests, leaf phenology signals leaf-on/off status and exhibits considerable
variability across scales from a single tree-crown to the entire forest ecosystem. Such …

Identifying leaf phenology of deciduous broadleaf forests from phenocam images using a convolutional neural network regression method

M Cao, Y Sun, X Jiang, Z Li, Q Xin - Remote Sensing, 2021 - mdpi.com
Vegetation phenology plays a key role in influencing ecosystem processes and biosphere-
atmosphere feedbacks. Digital cameras such as PhenoCam that monitor vegetation …

Multi-scale integration of satellite remote sensing improves characterization of dry-season green-up in an Amazon tropical evergreen forest

J Wang, D Yang, M Detto, BW Nelson, M Chen… - Remote Sensing of …, 2020 - Elsevier
In tropical forests, leaf phenology—particularly the pronounced dry-season green-up—
strongly regulates biogeochemical cycles of carbon and water fluxes. However …

Quantifying leaf phenology of individual trees and species in a tropical forest using unmanned aerial vehicle (UAV) images

JY Park, HC Muller-Landau, JW Lichstein, SW Rifai… - Remote Sensing, 2019 - mdpi.com
Tropical forests exhibit complex but poorly understood patterns of leaf phenology.
Understanding species-and individual-level phenological patterns in tropical forests …

Cost-effective and accurate monitoring of flowering across multiple tropical tree species over two years with a time series of high-resolution drone imagery and deep …

CKF Lee, G Song, HC Muller-Landau, S Wu… - ISPRS Journal of …, 2023 - Elsevier
Detection of flowering and quantification of flowering phenology are key to monitoring the
reproduction of tropical trees and their response to global change. However, effective …

Fusing multi-season UAS images with convolutional neural networks to map tree species in Amazonian forests

HFP Veras, MP Ferreira, EM da Cunha Neto… - Ecological …, 2022 - Elsevier
Remote sensing images obtained by unoccupied aircraft systems (UAS) across different
seasons enabled capturing of species-specific phenological patterns of tropical trees. The …

Leafing patterns and drivers across seasonally dry tropical communities

B Alberton, R da Silva Torres, T Sanna Freire Silva… - Remote Sensing, 2019 - mdpi.com
Investigating the timing of key phenological events across environments with variable
seasonality is crucial to understand the drivers of ecosystem dynamics. Leaf production in …

Characterization of dry-season phenology in tropical forests by reconstructing cloud-free Landsat time series

X Zhu, EH Helmer, D Gwenzi, M Collin, S Fleming… - Remote Sensing, 2021 - mdpi.com
Fine-resolution satellite imagery is needed for characterizing dry-season phenology in
tropical forests since many tropical forests are very spatially heterogeneous due to their …

Leveraging artificial intelligence for large-scale plant phenology studies from noisy time-lapse images

DLP Correia, W Bouachir, D Gervais… - IEEE …, 2020 - ieeexplore.ieee.org
Phenology has become a field of growing importance due to the increasingly apparent
impacts of climate change. However, the time-consuming, subjective and tedious nature of …