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The sufficiency of accurate data is a core element in data-centric geotechnics. However, geotechnical datasets are essentially uncertain, whereupon engineers have difficulty with obtaining precise information for making decisions. This…

信号处理 · 电气工程与系统科学 2024-10-31 Changbeom Shim , Youngho Kim , Craig Butterworth

This overview paper describes the particle methods developed for the implementation of the a class of Bayes filters formulated using the random finite set formalism. It is primarily intended for the readership already familiar with the…

系统与控制 · 计算机科学 2016-02-15 Branko Ristic , Michael Beard , Claudio Fantacci

Mixture models are flexible tools in density estimation and classification problems. Bayesian estimation of such models typically relies on sampling from the posterior distribution using Markov chain Monte Carlo. Label switching arises…

应用统计 · 统计学 2014-03-11 Wanchuang Zhu , Yanan Fan

Whole brain parcellation requires inferring hundreds of segmentation labels in large image volumes and thus presents significant practical challenges for deep learning approaches. We introduce label merge-and-split, a method that first…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Aaron Kujawa , Reuben Dorent , Sebastien Ourselin , Tom Vercauteren

In radar systems, tracking targets in low signal-to-noise ratio (SNR) environments is a very important task. There are some algorithms designed for multitarget tracking. Their performances, however, are not satisfactory in low SNR…

应用统计 · 统计学 2015-05-30 Huisi Tong , Hao Zhang , Huadong Meng , Xiqin Wang

Tracking multiple time-varying states based on heterogeneous observations is a key problem in many applications. Here, we develop a statistical model and algorithm for tracking an unknown number of targets based on the probabilistic fusion…

信号处理 · 电气工程与系统科学 2022-01-10 Domenico Gaglione , Paolo Braca , Giovanni Soldi , Florian Meyer , Franz Hlawatsch , Moe Z. Win

We consider the challenging problem of tracking multiple objects using a distributed network of sensors. In the practical setting of nodes with limited field of views (FoVs), computing power and communication resources, we develop a novel…

多智能体系统 · 计算机科学 2021-08-17 Hoa Van Nguyen , Hamid Rezatofighi , Ba-Ngu Vo , Damith C. Ranasinghe

The Poisson multi-Bernoulli mixture (PMBM) filter is conjugate prior composed of the union of a Poisson point process (PPP) and a multi-Bernoulli mixture (MBM). In this paper, a new PMBM filter for tracking multiple targets with randomly…

系统与控制 · 计算机科学 2019-04-09 Guchong Li

This paper is a sequel of the 2019 paper [5]. It demonstrates the following: a) the Poisson multi-Bernoulli mixture (PMBM) approach to detected vs. undetected (U/D) targets cannot be rigorously formulated using either the two-step or…

统计方法学 · 统计学 2025-01-22 Ronald Mahler

This paper uses multi-object tracking methods known from the radar tracking community to address the problem of pedestrian tracking using 2D bounding box detections. The standard point-object (SPO) model is adopted, and the posterior…

系统与控制 · 电气工程与系统科学 2025-08-29 Jan Krejčí , Oliver Kost , Yuxuan Xia , Lennart Svensson , Ondřej Straka

In this paper, we study the partial multi-label (PML) image classification problem, where each image is annotated with a candidate label set consists of multiple relevant labels and other noisy labels. Existing PML methods typically design…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Feng Sun , Ming-Kun Xie , Sheng-Jun Huang

This paper addresses distributed multi-target tracking (DMTT) over a network of sensors having different fields-of-view (FoVs). Specifically, a cardinality probability hypothesis density (CPHD) filter is run at each sensor node. Due to the…

系统与控制 · 电气工程与系统科学 2020-06-26 Guchong Li , Giorgio Battistelli , Luigi Chisci , Wei Yi , Lingjiang Kong

Multi-task learning (MTL) is often achieved by merging datasets before fine-tuning, but the growing availability of fine-tuned models has led to new approaches such as model merging via task arithmetic. A major challenge in this setting is…

机器学习 · 计算机科学 2025-09-15 Brahim Touayouch , Loïc Fosse , Géraldine Damnati , Gwénolé Lecorvé

Training of large-scale models is both computationally intensive and often constrained by the availability of labeled data. Model merging offers a compelling alternative by directly integrating the weights of multiple source models without…

机器学习 · 计算机科学 2026-02-10 Tiantong Wang , Yiyang Duan , Haoyu Chen , Tiantong Wu , Wei Yang Bryan Lim

This paper presents a Poisson multi-Bernoulli mixture (PMBM) filter for multi-target filtering based on sensor measurements that are sets of trajectories in the last two-time step window. The proposed filter, the trajectory measurement PMBM…

信号处理 · 电气工程与系统科学 2025-11-25 Marco Fontana , Ángel F. García-Fernández , Simon Maskell

This paper presents a Poisson multi-Bernoulli mixture (PMBM) conjugate prior for multiple extended object filtering. A Poisson point process is used to describe the existence of yet undetected targets, while a multi-Bernoulli mixture…

统计计算 · 统计学 2019-12-09 Karl Granstrom , Maryam Fatemi , Lennart Svensson

A critical bottleneck in supervised machine learning is the need for large amounts of labeled data which is expensive and time consuming to obtain. However, it has been shown that a small amount of labeled data, while insufficient to…

Sensor management in multi-object stochastic systems is a theoretically and computationally challenging problem. This paper presents a novel approach to the multi-target multi-sensor control problem within the partially observed Markov…

Label estimation is an important component in an unsupervised person re-identification (re-ID) system. This paper focuses on cross-camera label estimation, which can be subsequently used in feature learning to learn robust re-ID models.…

计算机视觉与模式识别 · 计算机科学 2017-09-28 Mang Ye , Andy J Ma , Liang Zheng , Jiawei Li , P C Yuen

Distance-based clustering and classification are widely used in various fields to group mixed numeric and categorical data. In many algorithms, a predefined distance measurement is used to cluster data points based on their dissimilarity.…

机器学习 · 计算机科学 2024-10-14 Jesse S. Ghashti , John R. J. Thompson