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The rapid and accurate evaluation of convolutions with singular kernels plays crucial roles in a wide range of scientific and engineering applications. Building on the recently introduced Truncated Fourier Filtering method for smooth…

数值分析 · 数学 2025-11-27 Oscar Bruno , Jinghao Cao

In passage retrieval system, the initial passage retrieval results may be unsatisfactory, which can be refined by a reranking scheme. Existing solutions to passage reranking focus on enriching the interaction between query and each passage…

信息检索 · 计算机科学 2023-12-25 Zongmeng Zhang , Wengang Zhou , Jiaxin Shi , Houqiang Li

Learning a kernel matrix from relative comparison human feedback is an important problem with applications in collaborative filtering, object retrieval, and search. For learning a kernel over a large number of objects, existing methods face…

机器学习 · 计算机科学 2015-01-13 Eric Heim , Matthew Berger , Lee M. Seversky , Milos Hauskrecht

The representation of urban trajectory data plays a critical role in effectively analyzing spatial movement patterns. Despite considerable progress, the challenge of designing trajectory representations that can capture diverse and…

机器学习 · 计算机科学 2025-07-02 Lihuan Li , Hao Xue , Shuang Ao , Yang Song , Flora Salim

Topological data analysis (TDA) is a relatively new field that is gaining rapid adoption due to its robustness and ability to effectively describe complex datasets by quantifying geometric information. In imaging contexts, TDA typically…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Aaryam Sharma

We introduce a sparse scattering deep convolutional neural network, which provides a simple model to analyze properties of deep representation learning for classification. Learning a single dictionary matrix with a classifier yields a…

机器学习 · 计算机科学 2020-02-21 John Zarka , Louis Thiry , Tomás Angles , Stéphane Mallat

We propose methods that enable efficient hierarchical classification in parallel. Our methods transform a batch of classification scores and labels, corresponding to given nodes in a semantic tree, to scores and labels corresponding to all…

机器学习 · 计算机科学 2022-09-22 Franz A. Heinsen

Deep learning models have recently achieved significant performance improvements in time series forecasting. We present a highly accurate and simply structured CNN-based model with only one convolutional layer, called WinNet, including (i)…

机器学习 · 计算机科学 2024-06-10 Wenjie Ou , Zhishuo Zhao , Dongyue Guo , Zheng Zhang , Yi Lin

Low-cost, vision-centric 3D perception systems for autonomous driving have made significant progress in recent years, narrowing the gap to expensive LiDAR-based methods. The primary challenge in becoming a fully reliable alternative lies in…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Philipp Wolters , Johannes Gilg , Torben Teepe , Fabian Herzog , Anouar Laouichi , Martin Hofmann , Gerhard Rigoll

Software developers routinely search for code using general-purpose search engines. However, these search engines cannot find code semantically unless it has an accompanying description. We propose a technique for semantic code search: A…

机器学习 · 计算机科学 2024-01-24 Marcelo de Rezende Martins , Marco A. Gerosa

Traditional retrieval methods rely on transforming user queries into vector representations and retrieving documents based on cosine similarity within an embedding space. While efficient and scalable, this approach often fails to handle…

计算与语言 · 计算机科学 2025-03-25 Felix Faltings , Wei Wei , Yujia Bao

In this paper, we use convolutional neural networks to address the problem of model identification for autoregressive moving average time series models. We compare the performance of several neural network architectures, trained on…

统计方法学 · 统计学 2020-07-21 Wai Hoh Tang , Adrian Röllin

Vision Transformers (ViTs) have achieved significant advancement in computer vision tasks due to their powerful modeling capacity. However, their performance notably degrades when trained with insufficient data due to lack of inherent…

图像与视频处理 · 电气工程与系统科学 2025-03-04 Omar S. EL-Assiouti , Ghada Hamed , Dina Khattab , Hala M. Ebied

Granular materials are a ubiquitous yet ill-understood class of media. Many different approaches and techniques have been developed to understand the many complex behaviors they exhibit but none have been completely successful. We present a…

软凝聚态物质 · 物理学 2021-02-11 Christopher Moakler , Katherine A. Newhall

Biological and cellular systems are often modeled as graphs in which vertices represent objects of interest (genes, proteins, drugs) and edges represent relational ties among these objects (binds-to, interacts-with, regulates). This…

机器学习 · 统计学 2017-03-16 Jose Lugo-Martinez , Predrag Radivojac

Dense retrieval systems increasingly need to handle complex queries. In many realistic settings, users express intent through long instructions or task-specific descriptions, while target documents remain relatively simple and static. This…

信息检索 · 计算机科学 2026-04-07 Seiji Maekawa , Moin Aminnaseri , Pouya Pezeshkpour , Estevam Hruschka

In this paper, we propose a novel Question-Guided Hybrid Convolution (QGHC) network for Visual Question Answering (VQA). Most state-of-the-art VQA methods fuse the high-level textual and visual features from the neural network and abandon…

计算机视觉与模式识别 · 计算机科学 2018-08-09 Peng Gao , Pan Lu , Hongsheng Li , Shuang Li , Yikang Li , Steven Hoi , Xiaogang Wang

This paper proposes a novel heterogeneous grid convolution that builds a graph-based image representation by exploiting heterogeneity in the image content, enabling adaptive, efficient, and controllable computations in a convolutional…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Ryuhei Hamaguchi , Yasutaka Furukawa , Masaki Onishi , Ken Sakurada

We introduce a non-parametric hierarchical Bayesian approach for open-ended 3D object categorization, named the Local Hierarchical Dirichlet Process (Local-HDP). This method allows an agent to learn independent topics for each category…

计算机视觉与模式识别 · 计算机科学 2021-04-13 H. Ayoobi , H. Kasaei , M. Cao , R. Verbrugge , B. Verheij

This paper focuses on the application of Discriminant Analysis to a set of geometrical objects (bodies) characterized by currents. A current is a relevant mathematical object to model geometrical data, like hypersurfaces, through…

统计方法学 · 统计学 2022-06-20 Sonia Barahona , Pablo Centella , Ximo Gual-Arnau , Maria Victoria Ibáñez , Amelia Simó