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Multi-model ensemble analysis integrates information from multiple climate models into a unified projection. However, existing integration approaches based on model averaging can dilute fine-scale spatial information and incur bias from…

Applications · Statistics 2023-04-12 Trevor Harris , Bo Li , Ryan Sriver

Training real-world neural network models to achieve high performance and generalizability typically requires a substantial amount of labeled data, spanning a broad range of variation. This data-labeling process can be both labor and cost…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Zhenghao Fei , Alex Olenskyj , Brian N. Bailey , Mason Earles

Grain boundary (GB) energy is a fundamental property that affects the form of grain boundary and plays an important role to unveil the behavior of polycrystalline materials. With a better understanding of grain boundary energy distribution…

Computational Physics · Physics 2020-02-04 Haoyu Wang , Srikanth Patala , Brian J. Reich

This paper proposes a framework for multi-robot systems to perform simultaneous learning and coverage of a domain of interest characterized by an unknown and potentially time-varying density function. To overcome the limitations of Gaussian…

Robotics · Computer Science 2025-11-11 Ruijie Du , Ruoyu Lin , Yanning Shen , Magnus Egerstedt

Accurate reconstruction of plant phenotypes plays a key role in optimising sustainable farming practices in the field of Precision Agriculture (PA). Currently, optical sensor-based approaches dominate the field, but the need for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Kewei Hu , Ying Wei , Yaoqiang Pan , Hanwen Kang , Chao Chen

Heterogeneous graph neural networks (HeteGNNs) have demonstrated strong abilities to learn node representations by effectively extracting complex structural and semantic information in heterogeneous graphs. Most of the prevailing HeteGNNs…

Machine Learning · Computer Science 2025-05-08 Hong Jin , Kaicheng Zhou , Jie Yin , Lan You , Zhifeng Zhou

Inspired by recent improvements in point cloud processing for autonomous navigation, we focus on using hierarchical graph neural networks for processing and feature learning over large-scale outdoor LiDAR point clouds. We observe that…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Arulmolivarman Thieshanthan , Amashi Niwarthana , Pamuditha Somarathne , Tharindu Wickremasinghe , Ranga Rodrigo

Knowing chemical soil properties might be determinant in crop management and total yield production. Traditional soil properties estimation approaches are time-consuming and require complex lab setups, refraining farmers from promptly…

Aero-engine is the core component of aircraft and other spacecraft. The high-speed rotating blades provide power by sucking in air and fully combusting, and various defects will inevitably occur, threatening the operation safety of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Hongbing Shang , Qixiu Yang , Chuang Sun , Xuefeng Chen , Ruqiang Yan

Fusion of 3D and MS imaging data has a great potential for high-throughput plant phenotyping of structural and biochemical as well as physiological traits simultaneously, which is important for decision support in agriculture and for crop…

Image and Video Processing · Electrical Eng. & Systems 2023-12-04 Pengyao Xie , Zhihong Ma , Ruiming Du , Xin Yang , Haiyan Cen

Recently, the study of graph neural network (GNN) has attracted much attention and achieved promising performance in molecular property prediction. Most GNNs for molecular property prediction are proposed based on the idea of learning the…

Machine Learning · Computer Science 2021-04-15 Yingfang Yuan , Wenjun Wang , Wei Pang

Text-attributed graphs are widely used across domains, offering rich opportunities for zero-shot learning via graph-text alignment. However, existing methods struggle with tasks requiring fine-grained pattern recognition, particularly on…

Machine Learning · Computer Science 2025-10-15 Heng Zhang , Tianyi Zhang , Zijun Liu , Yuling Shi , Yaomin Shen , Haochen You , Haichuan Hu , Lubin Gan , Jin Huang

Interpretations of exoplanetary transmission spectra have been undermined by apparent obscuration due to clouds/hazes. Debate rages on whether weak H$_2$O features seen in exoplanet spectra are due to clouds or inherently depleted oxygen.…

Earth and Planetary Astrophysics · Physics 2017-05-29 Ryan J. MacDonald , Nikku Madhusudhan

A looming question that must be solved before robotic plant phenotyping capabilities can have significant impact to crop improvement programs is scalability. High Throughput Phenotyping (HTP) uses robotic technologies to analyze crops in…

Machine Learning · Computer Science 2019-01-23 Sumit Kumar , Wenhao Luo , George Kantor , Katia Sycara

Even though Nearest Neighbor Gaussian Processes (NNGP) alleviate considerably MCMC implementation of Bayesian space-time models, they do not solve the convergence problems caused by high model dimension. Frugal alternatives such as response…

Computation · Statistics 2021-09-15 Sébastien Coube-Sisqueille , Benoît Liquet

This work examines the relevance of the one-dimensional models used to study the influx and the cumulative uptake of nutrient by roots. The physical models studied are the fixed boundary model (Barber and Cushman 1981) and an improved…

Tissues and Organs · Quantitative Biology 2015-01-12 Juan C. Reginato , Jorge L. Blengino , Domingo A. Tarzia

An improved method of remote optical absorption spectroscopy and hyperspectral optical absorption imaging is described which takes advantage of the photoacoustic remote sensing detection architecture. A wide range of photoacoustic…

Biological Physics · Physics 2021-08-04 Kevan Bell , Lyazzat Mukhangaliyeva , Layla Khalili , Parsin Haji Reza

Optical properties in solids, such as refractive index and absorption, hold vast applications ranging from solar panels to sensors, photodetectors, and transparent displays. However, first-principles computation of optical properties from…

Materials Science · Physics 2024-06-25 Nguyen Tuan Hung , Ryotaro Okabe , Abhijatmedhi Chotrattanapituk , Mingda Li

The growth of weeds poses a significant challenge to agricultural productivity, necessitating efficient and accurate weed detection and management strategies. The combination of multispectral imaging and drone technology has emerged as a…

Image and Video Processing · Electrical Eng. & Systems 2024-08-14 Drishti Goel , Bhavya Kapur , Prem Prakash Vuppuluri

Efficient use of cultivated areas is a necessary factor for sustainable development of agriculture and ensuring food security. Along with the rapid development of satellite technologies in developed countries, new methods are being searched…

Machine Learning · Computer Science 2025-02-10 Artughrul Gayibov