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In this paper we consider the problem of group invariant subspace clustering where the data is assumed to come from a union of group-invariant subspaces of a vector space, i.e. subspaces which are invariant with respect to action of a given…

信息论 · 计算机科学 2015-10-16 Shuchin Aeron , Eric Kernfeld

Deep neural networks often suffer from poor generalization due to complex and non-convex loss landscapes. Sharpness-Aware Minimization (SAM) is a popular solution that smooths the loss landscape by minimizing the maximized change of…

人工智能 · 计算机科学 2023-07-03 Peng Mi , Li Shen , Tianhe Ren , Yiyi Zhou , Tianshuo Xu , Xiaoshuai Sun , Tongliang Liu , Rongrong Ji , Dacheng Tao

Samples from intimate (non-linear) mixtures are generally modeled as being drawn from a smooth manifold. Scenarios where the data contains multiple intimate mixtures with some constituent materials in common can be thought of as manifolds…

计算机视觉与模式识别 · 计算机科学 2017-08-15 Arun M. Saranathan , Mario Parente

Spectral clustering is a fundamental technique in the field of data mining and information processing. Most existing spectral clustering algorithms integrate dimensionality reduction into the clustering process assisted by manifold learning…

机器学习 · 计算机科学 2014-11-25 Xiaojun Chang , Feiping Nie , Zhigang Ma , Yi Yang , Xiaofang Zhou

Subspace clustering refers to the task of finding a multi-subspace representation that best fits a collection of points taken from a high-dimensional space. This paper introduces an algorithm inspired by sparse subspace clustering (SSC) [In…

机器学习 · 计算机科学 2014-05-26 Mahdi Soltanolkotabi , Ehsan Elhamifar , Emmanuel J. Candès

Subspace clustering is the problem of clustering data that lie close to a union of linear subspaces. In the abstract form of the problem, where no noise or other corruptions are present, the data are assumed to lie in general position…

计算机视觉与模式识别 · 计算机科学 2020-02-13 Manolis C. Tsakiris , Rene Vidal

Subspace identification methods (SIMs) are known for their simple parameterization for MIMO systems and robust numerical properties. However, a comprehensive statistical analysis of SIMs remains an open problem. Following a three-step…

系统与控制 · 电气工程与系统科学 2025-09-18 Jiabao He , Ingvar Ziemann , Cristian R. Rojas , S. Joe Qin , Håkan Hjalmarsson

In this paper, we propose a tightly-coupled SLAM system fused with RGB, Depth, IMU and structured plane information. Traditional sparse points based SLAM systems always maintain a mass of map points to model the environment. Huge number of…

机器人学 · 计算机科学 2022-07-05 Danpeng Chen , Shuai Wang , Weijian Xie , Shangjin Zhai , Nan Wang , Hujun Bao , Guofeng Zhang

Stacked intelligent metasurfaces (SIM) have recently emerged as a promising technology, which can realize transmit precoding in the wave domain. In this paper, we investigate a SIM-aided integrated sensing and communications system, in…

Accurate reconstruction of missing morphological indicators of a city is crucial for urban planning and data-driven analysis. This study presents the spatial-morphological (SM) imputer tool, which combines data-driven morphological…

机器学习 · 计算机科学 2026-02-12 Vasilii Starikov , Ruslan Kozliak , Georgii Kontsevik , Sergey Mityagin

Motivated by collaborative localization in robotic sensor networks, we consider the problem of large-scale network localization where location estimates are derived from inter-node radio signals. Well-established methods for network…

信号处理 · 电气工程与系统科学 2023-01-30 Lillian Clark , Sampad Mohanty , Bhaskar Krishnamachari

Clustering techniques play an important role in data mining and its related applications. Among the challenging applications that require robust and real-time processing are crowd management and group trajectory applications. In this paper,…

计算机视觉与模式识别 · 计算机科学 2016-08-03 Yasser Mohammad Seddiq , A. A. Alharbiy , Moayyad Hamza Ghunaim

Recent studies have demonstrated the effectiveness of clustering-based approaches for self-supervised and unsupervised learning. However, the application of clustering is often heuristic, and the optimal methodology remains unclear. In this…

机器学习 · 计算机科学 2025-11-10 Xiaodong Wang , Jing Huang , Kevin J Liang

Scientists in many fields have the common and basic need of dimensionality reduction: visualizing the underlying structure of the massive multivariate data in a low-dimensional space. However, many dimensionality reduction methods confront…

机器学习 · 统计学 2015-03-19 Teng Qiu , Yongjie Li

Calculation of near-neighbor interactions among high dimensional, irregularly distributed data points is a fundamental task to many graph-based or kernel-based machine learning algorithms and applications. Such calculations, involving…

We propose a simple and fast method for providing a high quality solution for the sum-interference minimization problem. As future networks are deployed in high density urban areas, improved clustering methods are needed to provide low…

社会与信息网络 · 计算机科学 2021-11-02 Péter L. Erdős , Tamás Róbert Mezei , Yiding Yu , Xiang Chen , Wei Han , Bo Bai

Post hoc explanation methods, such as LIME and SHAP, provide interpretable insights into black-box classifiers and are increasingly used to assess model biases and generalizability. However, these methods are vulnerable to adversarial…

机器学习 · 计算机科学 2025-08-18 Sam Chauhan , Estelle Duguet , Karthik Ramakrishnan , Hugh Van Deventer , Jack Kruger , Ranjan Subbaraman

Incomplete multi-view clustering, which aims to solve the clustering problem on the incomplete multi-view data with partial view missing, has received more and more attention in recent years. Although numerous methods have been developed,…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Chengliang Liu , Zhihao Wu , Jie Wen , Chao Huang , Yong Xu

Targeting solutions over `flat' regions of the loss landscape, sharpness-aware minimization (SAM) has emerged as a powerful tool to improve generalizability of deep neural network based learning. While several SAM variants have been…

机器学习 · 计算机科学 2025-01-14 Yilang Zhang , Bingcong Li , Georgios B. Giannakis

This paper takes an information visualization perspective to visual representations in the general SOM paradigm. This involves viewing SOM-based visualizations through the eyes of Bertin's and Tufte's theories on data graphics. The regular…

机器学习 · 计算机科学 2013-06-26 Peter Sarlin , Samuel Rönnqvist