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An estimate of the net direction of climate interactions in different geographical regions is made by constructing a directed climate network from a regular latitude-longitude grid of nodes, using a directionality index (DI) based on…

混沌动力学 · 物理学 2015-06-23 J. Ignacio Deza , Cristina Masoller , Marcelo Barreiro

The representation of nonlinear sub-grid processes, especially clouds, has been a major source of uncertainty in climate models for decades. Cloud-resolving models better represent many of these processes and can now be run globally but…

大气与海洋物理 · 物理学 2022-06-08 Stephan Rasp , Michael S. Pritchard , Pierre Gentine

Plant morphological traits, their observable characteristics, are fundamental to understand the role played by each species within their ecosystem. However, compiling trait information for even a moderate number of species is a demanding…

Monitoring and controlling invasive tree species across large forests, parks, and trail networks is challenging due to limited accessibility, reliance on manual scouting, and degraded under-canopy GNSS. We present MapForest, a modular field…

机器人学 · 计算机科学 2026-03-25 Sandeep Zachariah , Francisco Yandun , Sachet Korada , Abhisesh Silwal

Understanding the future climate is crucial for informed policy decisions on climate change prevention and mitigation. Earth system models play an important role in predicting future climate, requiring accurate representation of complex…

机器学习 · 计算机科学 2024-01-09 Christian Reimers , David Hafezi Rachti , Guahua Liu , Alexander J. Winkler

Accurate estimation of forest biomass is crucial for monitoring carbon sequestration and informing climate change mitigation strategies. Existing methods often rely on allometric models, which estimate individual tree biomass by relating it…

机器学习 · 计算机科学 2026-03-06 Habib Pourdelan , Zhengkang Xiang , Hugh Stewart , Cam Nicholson , Martin Tomko , Kourosh Khoshelham

Accurate quantification of forest coverage and combustible biomass (fuel load) is critical for wildfire risk assessment and ecosystem management. However, traditional methods relying on airborne LiDAR or field surveys are cost-prohibitive…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Quanyun Wu , Kyle Gao , Wentao Sun , Zhengsen Xu , Hudson Sun , Linlin Xu , Yuhao Chen , David A. Clausi , Jonathan Li

Remote sensing observations are extensively used for analysis of environmental variables. These variables often exhibit spatial correlation, which has to be accounted for in the calibration models used in predictions, either by direct…

应用统计 · 统计学 2017-02-14 Virpi Junttila , Marko Laine

Ensuring fairness in machine learning remains a significant challenge, as models often inherit biases from their training data. Generative models have recently emerged as a promising approach to mitigate bias at the data level while…

The agriculture sector is essential for every country because it provides a basic income to a large number of people and food as well, which is a fundamental requirement to survive on this planet. We see as time passes, significant changes…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Ginni Garg , Mantosh Biswas

We propose an Energy-aware Maximal Leaf Nodes Data Gathering (EMLN-DG) algorithm for periodic data collection and transmission in wireless sensor networks. For each round of data gathering, an EMLN-DG tree spanning the entire sensor network…

网络与互联网体系结构 · 计算机科学 2014-12-09 Natarajan Meghanathan

With the arrival of a number of wide-field snapshot image-plane radio transient surveys, there will be a huge influx of images in the coming years making it impossible to manually analyse the datasets. Automated pipelines to process the…

Random Forests (RF) is a popular machine learning method for classification and regression problems. It involves a bagging application to decision tree models. One of the primary advantages of the Random Forests model is the reduction in…

机器学习 · 统计学 2022-07-06 Sai K Popuri

Effective management of agricultural landscapes is critical for meeting global biodiversity targets, but efforts are hampered by the absence of detailed, large-scale ecological maps. To address this, we introduce Farmscapes, the first…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Michelangelo Conserva , Alex Wilson , Charlotte Stanton , Vishal Batchu , Varun Gulshan

Tropical forests represent the home of many species on the planet for flora and fauna, retaining billions of tons of carbon footprint, promoting clouds and rain formation, implying a crucial role in the global ecosystem, besides…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Guilherme A. Pimenta , Fernanda B. J. R. Dallaqua , Alvaro Fazenda , Fabio A. Faria

Weather forecasting is a vitally important tool for tasks ranging from planning day to day activities to disaster response planning. However, modeling weather has proven to be challenging task due to its chaotic and unpredictable nature.…

机器学习 · 计算机科学 2024-09-20 Lawrence Zhang , Adam Yang , Rodz Andrie Amor , Bryan Zhang , Dhruv Rao

We provide time- and sample-efficient algorithms for learning and testing latent-tree Ising models, i.e. Ising models that may only be observed at their leaf nodes. On the learning side, we obtain efficient algorithms for learning a…

机器学习 · 计算机科学 2023-07-11 Davin Choo , Yuval Dagan , Constantinos Daskalakis , Anthimos Vardis Kandiros

Accurate and high-resolution estimation of land surface temperature (LST) is crucial in estimating evapotranspiration, a measure of plant water use and a central quantity in agricultural applications. In this work, we develop a novel…

The ever-growing collections of data series create a pressing need for efficient similarity search, which serves as the backbone for various analytics pipelines. Recent studies have shown that tree-based series indexes excel in many…

数据库 · 计算机科学 2025-02-05 Qitong Wang , Ioana Ileana , Themis Palpanas

Scattered trees outside of dense, closed-canopy forests are very important for carbon sequestration, supporting livelihoods, maintaining ecosystem integrity, and climate change adaptation and mitigation. In contrast to trees inside of…

计算机视觉与模式识别 · 计算机科学 2021-02-03 John Brandt , Fred Stolle