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Establishing point-to-point correspondences across multiple 3D shapes is a fundamental problem in computer vision and graphics. In this paper, we introduce DcMatch, a novel unsupervised learning framework for non-rigid multi-shape matching.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Tianwei Ye , Yong Ma , Xiaoguang Mei

Feature extraction is crucial for human activity recognition (HAR) using body-worn movement sensors. Recently, learned representations have been used successfully, offering promising alternatives to manually engineered features. Our work…

Machine Learning · Computer Science 2020-12-11 Harish Haresamudram , Irfan Essa , Thomas Ploetz

Federated learning enables multiple medical institutions to train a global model without sharing data, yet feature heterogeneity from diverse scanners or protocols remains a major challenge. Many existing works attempt to address this issue…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Xingyue Zhao , Wenke Huang , Xingguang Wang , Haoyu Zhao , Linghao Zhuang , Anwen Jiang , Guancheng Wan , Mang Ye

The proliferation of artificial intelligence applications on edge devices necessitates efficient transport protocols that leverage multi-homed connectivity across heterogeneous networks. While Multipath TCP enables bandwidth aggregation,…

Networking and Internet Architecture · Computer Science 2026-03-06 Zongyuan Zhang , Tianyang Duan , Liang Wang , Zihan Fang , Zheng Lin , Yijun Lu , Jiening Wu , Xia Du , Miao Yang , Zhe Chen , Heming Cui , Jun Luo

Camera-based 3D semantic occupancy prediction offers an efficient and cost-effective solution for perceiving surrounding scenes in autonomous driving. However, existing works rely on explicit occupancy state inference, leading to numerous…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Naiyu Fang , Zheyuan Zhou , Kang Wang , Ruibo Li , Lemiao Qiu , Shuyou Zhang , Zhe Wang , Guosheng Lin

In medical image segmentation, particularly in UNet-like architectures, upsampling is primarily used to transform smaller feature maps into larger ones, enabling feature fusion between encoder and decoder features and supporting multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Chengkun Sun , Jinqian Pan , Renjie Liang , Zhengkang Fan , Xin Miao , Jiang Bian , Jie Xu

Understanding causal dependencies in observational data is critical for informing decision-making. These relationships are often modeled as Bayesian Networks (BNs) and Directed Acyclic Graphs (DAGs). Existing methods, such as NOTEARS and…

Machine Learning · Computer Science 2026-04-03 Hao Zhu , Di Zhou , Donna Slonim

Deep neural operators (DNOs) have been utilized to approximate nonlinear mappings between function spaces. However, DNOs face the challenge of increased dimensionality and computational cost associated with unaligned observation data. In…

Machine Learning · Computer Science 2023-08-21 Bo Chen , Chenyu Wang , Weipeng Li , Haiyang Fu

The rapid adoption of large language models (LLMs) is pushing AI accelerators toward increasingly powerful and specialized designs. Instead of further complicating software development with deeply hierarchical scratchpad memories (SPMs) and…

Hardware Architecture · Computer Science 2025-12-09 Zhongchun Zhou , Chengtao Lai , Yuhang Gu , Wei Zhang

Near-term prediction of the structured spatio-temporal processes driving our climate is of profound importance to the safety and well-being of millions, but the prounced nonlinear convection of these processes make a complete mechanistic…

Computational Physics · Physics 2020-06-30 Daniel J. Tait

Direct preference optimization (DPO), a widely adopted offline preference optimization algorithm, aims to align large language models (LLMs) with human-desired behaviors using pairwise preference data. However, the generation of the winning…

Computation and Language · Computer Science 2025-02-19 Yuxin Jiang , Bo Huang , Yufei Wang , Xingshan Zeng , Liangyou Li , Yasheng Wang , Xin Jiang , Lifeng Shang , Ruiming Tang , Wei Wang

Many data insight questions can be viewed as searching in a large space of tables and finding important ones, where the notion of importance is defined in some adhoc user defined manner. This paper presents Holistic Cube Analysis (HoCA), a…

We formally introduce a systematic (de/re)-composition approach, based on the algebraic formalism of "Multi-Dimensional Homomorphisms (MDHs)". Our approach is designed as general enough to be applicable to a wide range of data-parallel…

Programming Languages · Computer Science 2025-07-01 Ari Rasch

Recent studies have applied deep learning methods such as convolutional recurrent neural networks (CRNs) and Transformers to brain disease classification based on dynamic functional connectivity networks (dFCNs), such as Alzheimer's disease…

Image and Video Processing · Electrical Eng. & Systems 2023-09-06 Zhixiang Zhang , Biao Jie , Zhengdong Wang , Jie Zhou , Yang Yang

Representation learning is a widely adopted framework for learning in data-scarce environments, aiming to extract common features from related tasks. While centralized approaches have been extensively studied, decentralized methods remain…

Machine Learning · Computer Science 2025-12-30 Donghwa Kang , Shana Moothedath

The expansion of the low-altitude economy has underscored the significance of Low-Altitude Network Coverage (LANC) prediction for designing aerial corridors. While accurate LANC forecasting hinges on the antenna beam patterns of Base…

Networking and Internet Architecture · Computer Science 2026-02-17 Xiaojie Li , Zhijie Cai , Nan Qi , Chao Dong , Guangxu Zhu , Haixia Ma , Qihui Wu , Shi Jin

Federated learning (FL) enables a loose set of participating clients to collaboratively learn a global model via coordination by a central server and with no need for data sharing. Existing FL approaches that rely on complex algorithms with…

Machine Learning · Computer Science 2023-12-27 Kazim Ergun , Rishikanth Chandrasekaran , Tajana Rosing

The tensor-vector contraction (TVC) is the most memory-bound operation of its class and a core component of the higher-order power method (HOPM). This paper brings distributed-memory parallelization to a native TVC algorithm for dense…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-26 Pedro J. Martinez-Ferrer , Albert-Jan Yzelman , Vicenç Beltran

Accurate prediction over long time horizons is crucial for modeling complex physical processes such as wave propagation. Although deep neural networks show promise for real-time forecasting, they often struggle with accumulating phase and…

Machine Learning · Computer Science 2024-12-05 Indu Kant Deo , Rajeev Jaiman

In this paper, we propose a distributed collaborative beamforming (DCB)-based uplink communication paradigm for enabling ground-space direct communications. Specifically, DCB treats the terminals that are unable to establish efficient…

Networking and Internet Architecture · Computer Science 2024-04-12 Jiahui Li , Geng Sun , Qingqing Wu , Dusit Niyato , Jiawen Kang , Abbas Jamalipour , Victor C. M. Leung