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In this paper, we design unimodular waveforms with good correlation properties for multi-input multi-output (MIMO) radar systems. Specifically, first, we analyze the geometric properties of the unimodular constraint in the fourth-order…

信号处理 · 电气工程与系统科学 2025-04-09 Xuyang Zhao , Jiangtao Wang , Shihao Yan , Yongchao Wang

In this work, we propose an original method for aggregating multiple clustering coming from different sources of information. Each partition is encoded by a co-membership matrix between observations. Our approach uses a mixture of…

机器学习 · 计算机科学 2024-01-10 Kylliann De Santiago , Marie Szafranski , Christophe Ambroise

VLMs have broad potential in privacy-sensitive domains such as healthcare and finance, yet strict data-sharing constraints render centralized training infeasible. FL mitigates this issue by enabling decentralized training, but practical…

人工智能 · 计算机科学 2026-03-06 Shule Lu , Yujing Wang , Hainan Zhang , Xiaoshan Yang , Hongwei Zheng , Yongxin Tong , Changsheng Xu , Zhiming Zheng

Learning a Gaussian Mixture Model (GMM) is hard when the number of parameters is too large given the amount of available data. As a remedy, we propose restricting the GMM to a Gaussian Markov Random Field Mixture Model (GMRF-MM), as well as…

机器学习 · 计算机科学 2022-01-25 Shahaf E. Finder , Eran Treister , Oren Freifeld

Graph generation is a crucial task in many fields, including network science and bioinformatics, as it enables the creation of synthetic graphs that mimic the properties of real-world networks for various applications. Graph Generative…

机器学习 · 计算机科学 2026-01-21 Salvatore Romano , Marco Grassia , Giuseppe Mangioni

Mixture models with Gamma and or inverse-Gamma distributed mixture components are useful for medical image tissue segmentation or as post-hoc models for regression coefficients obtained from linear regression within a Generalised Linear…

机器学习 · 统计学 2016-07-27 A. Llera , D. Vidaurre , R. H. R. Pruim , C. F. Beckmann

Pairwise network models such as the Gaussian Graphical Model (GGM) are a powerful and intuitive way to analyze dependencies in multivariate data. A key assumption of the GGM is that each pairwise interaction is independent of the values of…

统计方法学 · 统计学 2020-02-14 Jonas Haslbeck , Denny Borsboom , Lourens Waldorp

Configuration Optimization Problems (COPs), which involve minimizing a loss function over a set of discrete points $\boldsymbol{\gamma} \subset P$, are common in areas like Model Order Reduction, Active Learning, and Optimal Experimental…

数值分析 · 数学 2024-10-24 Evie Nielen , Oliver Tse , Karen Veroy

Generalized additive index models (GAIMs) offer a flexible semiparametric framework for capturing complex data relationships, balancing the interpretability of parametric models with the flexibility of nonparametric approaches. However,…

统计方法学 · 统计学 2026-05-29 Ziyu Peng , Linglingzhi Zhu , Yao Xie

We propose a novel and practical privacy notion called $f$-Membership Inference Privacy ($f$-MIP), which explicitly considers the capabilities of realistic adversaries under the membership inference attack threat model. Consequently,…

机器学习 · 计算机科学 2023-10-27 Tobias Leemann , Martin Pawelczyk , Gjergji Kasneci

Support Vector Machines (SVM) have gathered significant acclaim as classifiers due to their successful implementation of Statistical Learning Theory. However, in the context of multiclass and multilabel settings, the reliance on…

机器学习 · 计算机科学 2023-07-19 Sambhav Jain Reshma Rastogi

The methodology of community detection can be divided into two principles: imposing a network model on a given graph, or optimizing a designed objective function. The former provides guarantees on theoretical detectability but falls short…

机器学习 · 统计学 2017-10-06 Pin-Yu Chen , Lingfei Wu

Single Index Models (SIMs) are simple yet flexible semi-parametric models for classification and regression. Response variables are modeled as a nonlinear, monotonic function of a linear combination of features. Estimation in this context…

机器学习 · 统计学 2015-07-01 Ravi Ganti , Nikhil Rao , Rebecca M. Willett , Robert Nowak

Detecting glass regions is a challenging task due to the ambiguity of their transparency and reflection properties. These transparent glasses share the visual appearance of both transmitted arbitrary background scenes and reflected objects,…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Jing Hao , Moyun Liu , Kuo Feng Hung

Generative retrieval represents a novel approach to information retrieval. It uses an encoder-decoder architecture to directly produce relevant document identifiers (docids) for queries. While this method offers benefits, current approaches…

信息检索 · 计算机科学 2024-09-30 Yubao Tang , Ruqing Zhang , Jiafeng Guo , Maarten de Rijke , Wei Chen , Xueqi Cheng

Multiple Endmember Spectral Mixture Analysis (MESMA) is one of the leading approaches to perform spectral unmixing (SU) considering variability of the endmembers (EMs). It represents each EM in the image using libraries of spectral…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Ricardo Augusto Borsoi , Tales Imbiriba , José Carlos Moreira Bermudez , Cédric Richard

The capability of the human to pay attention to both coarse and fine-grained regions has been applied to computer vision tasks. Motivated by that, we propose a collaborative learning framework in the complex domain for monaural noise…

声音 · 计算机科学 2021-06-23 Andong Li , Chengshi Zheng , Lu Zhang , Xiaodong Li

Multi-spectral imagery is a valuable input signal for Remote Sensing applications, such as land-use and land-cover classification and environmental monitoring. However, generalist Large Multi-modal Models (LMMs) are typically trained on RGB…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Dahun Kim , Ganesh Satish Mallya , Anelia Angelova

We propose a novel online learning algorithm for Restricted Boltzmann Machines (RBM), namely, the Online Generative Discriminative Restricted Boltzmann Machine (OGD-RBM), that provides the ability to build and adapt the network architecture…

神经与进化计算 · 计算机科学 2018-03-07 Savitha Ramasamy , Kanagasabai Rajaraman , Pavitra Krishnaswamy , Vijay Chandrasekhar

Logical query answering over Knowledge Graphs (KGs) is a fundamental yet complex task. A promising approach to achieve this is to embed queries and entities jointly into the same embedding space. Research along this line suggests that using…

信息检索 · 计算机科学 2024-03-29 Yuhan Wu , Yuanyuan Xu , Wenjie Zhang , Xiwei Xu , Ying Zhang