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Deep clustering as an important branch of unsupervised representation learning focuses on embedding semantically similar samples into the identical feature space. This core demand inspires the exploration of contrastive learning and…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Haifeng Xia , Hai Huang , Zhengming Ding

This paper proposes an efficient implementation of the Poisson multi-Bernoulli mixture (PMBM) trajectory filter. The proposed implementation performs track-oriented N-scan pruning to limit complexity, and uses dual decomposition to solve…

信号处理 · 电气工程与系统科学 2018-11-30 Yuxuan Xia , Karl Granström , Lennart Svensson , Ángel F. García-Fernández

Developing efficient solutions for inference problems in intelligent sensor networks is crucial for the next generation of location, tracking, and mapping services. This paper develops a scalable distributed probabilistic inference…

机器学习 · 计算机科学 2023-10-24 Parth Paritosh , Nikolay Atanasov , Sonia Martinez

Multi-object tracking (MOT) is among crucial applications in modern advanced driver assistance systems (ADAS) and autonomous driving (AD) systems. The global nearest neighbor (GNN) filter, as the earliest random vector-based Bayesian…

系统与控制 · 电气工程与系统科学 2023-02-09 Jianan Liu , Liping Bai , Yuxuan Xia , Tao Huang , Bing Zhu , Qing-Long Han

This paper proposes an adaptive graph-based approach for multi-label image classification. Graph-based methods have been largely exploited in the field of multi-label classification, given their ability to model label correlations.…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Indel Pal Singh , Enjie Ghorbel , Oyebade Oyedotun , Djamila Aouada

The mean field methods, which entail approximating intractable probability distributions variationally with distributions from a tractable family, enjoy high efficiency, guaranteed convergence, and provide lower bounds on the true…

机器学习 · 计算机科学 2012-12-12 Eric P. Xing , Michael I. Jordan , Stuart Russell

A geometric model of sparse signal representations is introduced for classes of signals. It is computed by optimizing co-occurrence groups with a maximum likelihood estimate calculated with a Bernoulli mixture model. Applications to face…

计算机视觉与模式识别 · 计算机科学 2011-02-01 Joan Bruna , Stéphane Mallat

The generalized density matrix (GDM) method is used to calculate microscopically the parameters of the collective Hamiltonian. Higher order anharmonicities are obtained consistently with the lowest order results, the mean field…

核理论 · 物理学 2011-09-23 L. Y. Jia

We introduce a novel approach to improve unsupervised hashing. Specifically, we propose a very efficient embedding method: Gaussian Mixture Model embedding (Gemb). The proposed method, using Gaussian Mixture Model, embeds feature vector…

计算机视觉与模式识别 · 计算机科学 2017-07-05 Tuan Hoang , Thanh-Toan Do , Dang-Khoa Le Tan , Ngai-Man Cheung

Gaussian Mixture Models (GMM) do not adapt well to curved and strongly nonlinear data. However, we can use Gaussians in the curvilinear coordinate systems to solve this problem. Moreover, such a solution allows for the adaptation of…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Krzysztof Byrski , Przemysław Spurek , Jacek Tabor

This paper addresses the statistical estimation of Gaussian Mixture Models (GMMs) with unknown diagonal covariances from independent and identically distributed samples. We employ the Beurling-LASSO (BLASSO), a convex optimization framework…

统计理论 · 数学 2026-05-14 Romane Giard , Yohann de Castro , Clément Marteau

Generative models (GMs) have received increasing research interest for their remarkable capacity to achieve comprehensive understanding. However, their potential application in the domain of multi-modal tracking has remained relatively…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Zhangyong Tang , Tianyang Xu , Xuefeng Zhu , Xiao-Jun Wu , Josef Kittler

This paper tackles the challenge of multi-sensor multi-object tracking by proposing various decentralised Variational Inference (VI) schemes that match the tracking performance of centralised sensor fusion with only local message exchanges…

机器学习 · 计算机科学 2024-11-26 Qing Li , Runze Gan , Simon Godsill

In this paper, we demonstrate that deep learning based method can be used to fuse multi-object densities. Given a scenario with several sensors with possibly different field-of-views, tracking is performed locally in each sensor by a…

机器学习 · 计算机科学 2023-02-17 Lechi Li , Chen Dai , Yuxuan Xia , Lennart Svensson

We look for signatures of the Hu-Sawicki f(R) modified gravity theory, proposed to explain the observed accelerated expansion of the universe; in observations of the galaxy distribution, the cosmic microwave background (CMB), and…

宇宙学与河外天体物理 · 物理学 2024-06-12 Raphaël Kou , Calum Murray , James G. Bartlett

This paper generalises the exponential family GLM to allow arbitrary distributions for the response variable. This is achieved by combining the model-assisted regression approach from survey sampling with the GLM scoring algorithm, weighted…

统计方法学 · 统计学 2019-01-10 Murray Aitkin

This paper presents two trajectory Poisson multi-Bernoulli (TPMB) filters for multi-target tracking: one to estimate the set of alive trajectories at each time step and another to estimate the set of all trajectories, which includes alive…

计算机视觉与模式识别 · 计算机科学 2020-09-18 Ángel F. García-Fernández , Lennart Svensson , Jason L. Williams , Yuxuan Xia , Karl Granström

While supervised deep learning has achieved great success in a range of applications, relatively little work has studied the discovery of knowledge from unlabeled data. In this paper, we propose an unsupervised deep learning framework to…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Jinghua Wang , Jianmin Jiang

Gravitational lensing by massive galaxy clusters distorts the observed cosmic microwave background (CMB) on arcminute scales, and these distortions carry information about cluster masses. Standard approaches to extracting cluster mass…

宇宙学与河外天体物理 · 物理学 2024-01-18 Eric J. Baxter , Shivam Pandey

Sampling from Gibbs distribution is a central problem in computer science as well as in statistical physics. In this work we focus on the k-colouring model} and the hard-core model with fugacity \lambda when the underlying graph is an…

离散数学 · 计算机科学 2017-01-24 Charilaos Efthymiou