A study of tree crown characteristics and their cooling effects in a subtropical city of Australia
Sign Up to like & getrecommendations! Published in 2020 at "Ecological Engineering"
DOI: 10.1016/j.ecoleng.2020.106027
Abstract: Abstract Trees have been found to have significant cooling effect on outdoor thermal environment. This study explores the characteristics of a tree component (crown) that accounts for a large portion of the cooling effect. A… read more here.
Keywords: crown characteristics; index; tree crown; crown ... See more keywords
In-situ spectroscopy and shortwave radiometry reveals spatial and temporal variation in the crown-level radiative performance of urban trees
Sign Up to like & getrecommendations! Published in 2021 at "Remote Sensing of Environment"
DOI: 10.1016/j.rse.2020.112231
Abstract: Abstract In conventional microclimate environment modelling, and the development of tree planning strategies for urban heat mitigation, tree crown surface albedo for any given species is assumed to be a constant. However, our recent research… read more here.
Keywords: crown surface; surface albedo; tree crown; spectroscopy ... See more keywords
Domain-Aware Transfer Learning With SAM-Assisted Mask R-CNN for Urban Tree Crown Delineation From UAV Orthophotos
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Access"
DOI: 10.1109/access.2025.3619949
Abstract: Accurate tree crown delineation from very high-resolution UAV orthophotos in urban areas remains challenging due to landscape complexity and the scarcity of representative annotated data. This study proposes an enhanced Mask R-CNN approach, supported by… read more here.
Keywords: mask cnn; uav orthophotos; crown delineation; tree crown ... See more keywords
RandCrowns: A Quantitative Metric for Imprecisely Labeled Tree Crown Delineation
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2021.3122345
Abstract: Supervised methods for object delineation in remote sensing require labeled groundtruth data. Gathering sufficient high quality groundtruth data is difficult, especially when targets are of irregular shape or difficult to distinguish from background or neighboring… read more here.
Keywords: university florida; tree crown; delineation; remote sensing ... See more keywords
Individual Tree Crown Delineation in Heterogeneous Urban Environments Using High-Resolution Airborne Imagery
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2025.3626942
Abstract: Urban trees are crucial to mitigate the increasing urban temperatures caused by climate change. Tree inventories, which are useful for urban planning and tree management, are mostly based on expensive and incomplete in situ measurements.… read more here.
Keywords: delineation; crown delineation; model; tree crown ... See more keywords
TCDNet: Tree Crown Detection From UAV Optical Images Using Uncertainty-Aware One-Stage Network
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3214281
Abstract: Tree crown detection plays a vital role in forestry management, resource statistics, and yield forecasting. Red, green and blue (RGB) high-resolution aerial images have emerged as a cost-effective source of data for tree crown detection.… read more here.
Keywords: network; tree crown; uav optical; detection ... See more keywords
Crown-CAM: Interpretable Visual Explanations for Tree Crown Detection in Aerial Images
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2023.3271649
Abstract: Visual explanation of “black-box” models allows researchers in explainable artificial intelligence (XAI) to interpret the model’s decisions in a human-understandable manner. In this letter, we propose interpretable class activation mapping for tree crown detection (Crown-CAM)… read more here.
Keywords: crown cam; tree crown; visual explanations; cam ... See more keywords
Individual Tree Crown Delineation From UAS Imagery Based on Region Growing by Over-Segments With a Competitive Mechanism
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3074289
Abstract: Unmanned aerial systems (UAS) have become a flexible and low-cost platform to supplement aerial or satellite remote sensing for precision forestry. The data derived from UAS are widely used to measure variables at a single… read more here.
Keywords: tree crown; crown delineation; region growing; individual tree ... See more keywords
High‐resolution digital canopy height models, terrain models, ortho‐mosaic photos, and canopy tree crown shapes derived from UAV‐borne LiDAR at 22 tree census plots across Japanese natural forests
Sign Up to like & getrecommendations! Published in 2025 at "Ecological Research"
DOI: 10.1111/1440-1703.12555
Abstract: Recent developments in Unmanned Aerial Vehicles (UAVs) and Light Detection and Ranging (LiDAR) technology have enhanced the ability to capture precise three‐dimensional forest information at a lower cost. This article reports four types of high‐resolution… read more here.
Keywords: height; tree crown; canopy height; resolution digital ... See more keywords
Tree crown damage and its effects on forest carbon cycling in a tropical forest
Sign Up to like & getrecommendations! Published in 2022 at "Global Change Biology"
DOI: 10.1111/gcb.16318
Abstract: Crown damage can account for over 23% of canopy biomass turnover in tropical forests and is a strong predictor of tree mortality; yet, it is not typically represented in vegetation models. We incorporate crown damage… read more here.
Keywords: tree crown; carbon; tropical forest; damage ... See more keywords
Temperature and tree number drive tree crown‐dwelling arthropod diversity in Brazilian semi‐arid cities
Sign Up to like & getrecommendations! Published in 2024 at "Insect Conservation and Diversity"
DOI: 10.1111/icad.12795
Abstract: Urbanisation is one of the most severe land use changes with significant negative impacts on several biological groups. However, the response of arthropods to this process is still unclear, especially in cities located in arid… read more here.
Keywords: temperature; number; arthropod; tree crown ... See more keywords