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Recent Few-Shot Learning (FSL) methods put emphasis on generating a discriminative embedding features to precisely measure the similarity between support and query sets. Current CNN-based cross-attention approaches generate discriminative…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jinxiang Lai , Siqian Yang , Wenlong Wu , Tao Wu , Guannan Jiang , Xi Wang , Jun Liu , Bin-Bin Gao , Wei Zhang , Yuan Xie , Chengjie Wang

Fractionally supervised classification (FSC) offers a flexible framework for combining labeled and unlabeled data in model-based classification, but existing formulations assume simple random sampling. In many applications, however, the…

Methodology · Statistics 2026-04-29 Mohammad Jafari Jozani , Jingyu Wang

We propose a symmetric low-rank representation (SLRR) method for subspace clustering, which assumes that a data set is approximately drawn from the union of multiple subspaces. The proposed technique can reveal the membership of multiple…

Computer Vision and Pattern Recognition · Computer Science 2015-11-24 Jie Chen , Haixian Zhang , Hua Mao , Yongsheng Sang , Zhang Yi

For certain theories of existentially closed topological differential fields, we show that there is a strong relationship between $\mathcal L\cup\{D\}$-definable sets and their $\mathcal L$-reducts, where $\mathcal L$ is a relational…

Logic · Mathematics 2017-07-26 Françoise Point

A topological space $(X,\tau)$ is called a locally LC-space if every point of $X$ has a neighborhood $U$ such that every Lindel\"{o}f subset of $(U,\tau|U)$ is a closed subset of $(U,\tau|U)$. The aim of this paper is to continue the study…

General Topology · Mathematics 2007-05-23 Julian Dontchev , Maximilian Ganster , Alev Kanibir

What makes images similar? To measure the similarity between images, they are typically embedded in a feature-vector space, in which their distance preserve the relative dissimilarity. However, when learning such similarity embeddings the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Andreas Veit , Serge Belongie , Theofanis Karaletsos

Formal concept analysis has grown from a new branch of the mathematical field of lattice theory to a widely recognized tool in Computer Science and elsewhere. In order to fully benefit from this theory, we believe that it can be enriched…

Logic in Computer Science · Computer Science 2012-01-23 Pascal Hitzler , Markus Krötzsch , Guo-Qiang Zhang

Explainable AI (XAI) is crucial for building transparent and trustworthy machine learning systems, especially in high-stakes domains. Concept Bottleneck Models (CBMs) have emerged as a promising ante-hoc approach that provides…

Artificial Intelligence · Computer Science 2026-01-21 Hanwei Zhang , Luo Cheng , Rui Wen , Yang Zhang , Lijun Zhang , Holger Hermanns

Subspace clustering refers to the problem of clustering high-dimensional data points into a union of low-dimensional linear subspaces, where the number of subspaces, their dimensions and orientations are all unknown. In this paper, we…

Machine Learning · Statistics 2014-03-17 Reinhard Heckel , Eirikur Agustsson , Helmut Bölcskei

In this paper, we propose a subspace representation learning (SRL) framework to tackle few-shot image classification tasks. It exploits a subspace in local CNN feature space to represent an image, and measures the similarity between two…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Ting-Yao Hu , Zhi-Qi Cheng , Alexander G. Hauptmann

We provide a complete characterization of closed sets with empty interior and positive reach in $\mathbb{R}^2$. As a consequence, we characterize open bounded domains in $\mathbb{R}^2$ whose high ridge and cut locus agree, and hence $C^1$…

Classical Analysis and ODEs · Mathematics 2017-08-29 Graziano Crasta , Ilaria Fragalà

In this article we introduce and study uniform and non-uniform approximate lattices in locally compact second countable (lcsc) groups. These are approximate subgroups (in the sense of Tao) which simultaneously generalize lattices in lcsc…

Group Theory · Mathematics 2018-11-14 Michael Björklund , Tobias Hartnick

In this paper we consider the relationship between order and topology in the vector lattice $C_b(X)$ of all bounded continuous functions on a Hausdorff space $X$. We prove that the restriction of $f\in C_b(X)$ to a closed set $A$ induces an…

Functional Analysis · Mathematics 2019-11-18 Marko Kandić , Aleš Vavpetič

We present old and new characterizations of core spaces, alias worldwide web spaces, originally defined by the existence of supercompact neighborhood bases. The patch spaces of core spaces, obtained by joining the original topology with a…

Logic in Computer Science · Computer Science 2016-07-19 Marcel Erné

We consider higher-order linear-chain conditional random fields (HO-LC-CRFs) for sequence modelling, and use sum-product networks (SPNs) for representing higher-order input- and output-dependent factors. SPNs are a recently introduced class…

Machine Learning · Computer Science 2018-07-09 Martin Ratajczak , Sebastian Tschiatschek , Franz Pernkopf

It is known that locally compact groups approximable by finite ones are unimodular, but this condition is not sufficient, for example, the simple Lie groups are not approximable by finite ones as topological groups. In this paper the…

Group Theory · Mathematics 2007-05-23 L. Yu. Glebsky , E. I. Gordon

For a (possibly large) realized limit sketch $\mathcal{S}$ such that every $\mathcal{S}$-model is small in a suitable sense we show that the category of cocontinuous functors $\mathsf{Mod}(\mathcal{S}) \to \mathcal{C}$ into a cocomplete…

Category Theory · Mathematics 2023-09-11 Martin Brandenburg

Inspired by the feedforward multilayer perceptron (FF-MLP), decision tree (DT) and extreme learning machine (ELM), a new classification model, called the subspace learning machine (SLM), is proposed in this work. SLM first identifies a…

Machine Learning · Computer Science 2022-05-12 Hongyu Fu , Yijing Yang , Vinod K. Mishra , C. -C. Jay Kuo

Continual Learning (CL) investigates how to train Deep Networks on a stream of tasks without incurring forgetting. CL settings proposed in literature assume that every incoming example is paired with ground-truth annotations. However, this…

Machine Learning · Statistics 2022-08-30 Matteo Boschini , Pietro Buzzega , Lorenzo Bonicelli , Angelo Porrello , Simone Calderara

Continuous-time (CT) modeling has proven to provide improved sample efficiency and interpretability in learning the dynamical behavior of physical systems compared to discrete-time (DT) models. However, even with numerous recent…

Machine Learning · Computer Science 2023-01-24 Gerben I. Beintema , Maarten Schoukens , Roland Tóth
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