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Predicting the behaviors of Hamiltonian systems has been drawing increasing attention in scientific machine learning. However, the vast majority of the literature was focused on predicting separable Hamiltonian systems with their kinematic…

机器学习 · 计算机科学 2022-02-22 Shiying Xiong , Yunjin Tong , Xingzhe He , Shuqi Yang , Cheng Yang , Bo Zhu

Human Activity Recognition (HAR) is a challenging problem that needs advanced solutions than using handcrafted features to achieve a desirable performance. Deep learning has been proposed as a solution to obtain more accurate HAR systems…

机器学习 · 计算机科学 2020-07-08 Hamed Damirchi , Rooholla Khorrambakht , Hamid Taghirad

The rapid development of large climate models has created the requirement of storing and transferring massive atmospheric data worldwide. Therefore, data compression is essential for meteorological research, but an efficient compression…

机器学习 · 计算机科学 2024-11-12 Zhewen Xu , Baoxiang Pan , Hongliang Li , Xiaohui Wei

Accurate liver and tumor segmentation on abdominal CT images is critical for reliable diagnosis and treatment planning, but remains challenging due to complex anatomical structures, variability in tumor appearance, and limited annotated…

Significant salinity anomalies have been observed in the Arctic Ocean surface layer during the last decade. Using gridded data of winter salinity in the upper 50 m layer of the Arctic Ocean for the period 1950-1993 and 2007-2012, we…

大气与海洋物理 · 物理学 2014-09-09 Ekaterina A. Chernyavskaya , Ivan Sudakov , Kenneth M. Golden , Leonid A. Timokhov

Smart Ice Cloud Sensing (SMICES) is a small-sat concept in which a primary radar intelligently targets ice storms based on information collected by a lookahead radiometer. Critical to the intelligent targeting is accurate identification of…

机器学习 · 计算机科学 2023-09-15 Jason Swope , Steve Chien , Emily Dunkel , Xavier Bosch-Lluis , Qing Yue , William Deal

Deep reinforcement learning algorithms require large and diverse datasets in order to learn successful policies for perception-based mobile navigation. However, gathering such datasets with a single robot can be prohibitively expensive.…

机器人学 · 计算机科学 2021-11-08 Katie Kang , Gregory Kahn , Sergey Levine

Spatial-wise dynamic convolution has become a promising approach to improving the inference efficiency of deep networks. By allocating more computation to the most informative pixels, such an adaptive inference paradigm reduces the spatial…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Yizeng Han , Zhihang Yuan , Yifan Pu , Chenhao Xue , Shiji Song , Guangyu Sun , Gao Huang

Sea surface temperature (SST) is uniquely important to the Earth's atmosphere since its dynamics are a major force in shaping local and global climate and profoundly affect our ecosystems. Accurate forecasting of SST brings significant…

机器学习 · 计算机科学 2023-04-20 Xiaohan Li , Gaowei Zhang , Kai Huang , Zhaofeng He

The mass loss of the polar ice sheets contributes considerably to ongoing sea-level rise and changing ocean circulation, leading to coastal flooding and risking the homes and livelihoods of tens of millions of people globally. To address…

机器学习 · 计算机科学 2024-05-01 Zesheng Liu , YoungHyun Koo , Maryam Rahnemoonfar

Accurate shared micromobility demand predictions are essential for transportation planning and management. Although deep learning models provide powerful tools to deal with demand prediction problems, studies on forecasting highly-accurate…

计算机与社会 · 计算机科学 2023-06-27 Yiming Xu , Qian Ke , Xiaojian Zhang , Xilei Zhao

In this paper we predict sea surface salinity (SSS) in the Arctic Ocean based on satellite measurements. SSS is a crucial indicator for ongoing changes in the Arctic Ocean and can offer important insights about climate change. We…

应用统计 · 统计学 2024-04-09 Bora Jin , Amy H. Herring , David Dunson

Heat demand prediction is a prominent research topic in the area of intelligent energy networks. It has been well recognized that periodicity is one of the important characteristics of heat demand. Seasonal-trend decomposition based on…

机器学习 · 计算机科学 2018-08-02 Jiyang Xie , Jiaxin Guo , Zhanyu Ma , Jing-Hao Xue , Qie Sun , Hailong Li , Jun Guo

Sensor-based human activity recognition (HAR) is now a research hotspot in multiple application areas. With the rise of smart wearable devices equipped with inertial measurement units (IMUs), researchers begin to utilize IMU data for HAR.…

计算机视觉与模式识别 · 计算机科学 2020-03-09 Fanyi Xiao , Ling Pei , Lei Chu , Danping Zou , Wenxian Yu , Yifan Zhu , Tao Li

The upcoming Square Kilometre Array (SKA-Low) will map the distribution of neutral hydrogen during reionization, and produce a tremendous amount of 3D tomographic data. These images cubes will be subject to instrumental limitations, such as…

天体物理仪器与方法 · 物理学 2021-06-25 Michele Bianco , Sambit. K. Giri , Ilian T. Iliev , Garrelt Mellema

We present a unified change detection pipeline that combines instance level masking, multi\-scale attention within a denoising diffusion model, and per pixel semantic classification, all refined via SSIM to match human perception. By first…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Andrew Kiruluta , Eric Lundy , Andreas Lemos

The physics of planetary climate features a variety of complex systems that are challenging to model as they feature turbulent flows. A key example is the heat flux from the upper ocean to the underside of sea ice which provides a key…

大气与海洋物理 · 物理学 2025-01-16 Srikanth Toppaladoddi , Andrew J. Wells

Today's robotic fleets are increasingly measuring high-volume video and LIDAR sensory streams, which can be mined for valuable training data, such as rare scenes of road construction sites, to steadily improve robotic perception models.…

Arctic warming threatens over 100 billion in permafrost-dependent infrastructure across Northern territories, yet existing risk assessment frameworks lack spatiotemporal validation, uncertainty quantification, and operational…

机器学习 · 统计学 2025-10-03 Boris Kriuk

We propose a novel unsupervised cross-modal homography estimation learning framework, named Split Supervised Homography estimation Network (SSHNet). SSHNet reformulates the unsupervised cross-modal homography estimation into two supervised…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Junchen Yu , Si-Yuan Cao , Runmin Zhang , Chenghao Zhang , Zhu Yu , Shujie Chen , Bailin Yang , Hui-liang Shen