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Probabilistic message-passing algorithms are developed for routing transmissions in multi-wavelength optical communication networks, under node and edge-disjoint routing constraints and for various objective functions. Global routing…

物理与社会 · 物理学 2022-04-25 Yi-Zhi Xu , Ho Fai Po , Chi Ho Yeung , David Saad

Multi-object tracking (MOT) is a challenging practical problem for vision based applications. Most recent approaches for MOT use precomputed detections from models such as Faster RCNN, performing fine-tuning of bounding boxes and…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Parthesh Soni , Falak Shah , Nisarg Vyas

A Hamiltonian decomposition of a regular graph is a partition of its edge set into Hamiltonian cycles. The problem of finding edge-disjoint Hamiltonian cycles in a given regular graph has many applications in combinatorial optimization and…

组合数学 · 数学 2022-01-12 Andrey Kostenko , Andrei Nikolaev

The classical Menger's theorem states that in any undirected (or directed) graph $G$, given a pair of vertices $s$ and $t$, the maximum number of vertex (edge) disjoint paths is equal to the minimum number of vertices (edges) needed to…

数据结构与算法 · 计算机科学 2015-09-21 Ashutosh Rai , M. S. Ramanujan , Saket Saurabh

In the $k$-Disjoint Shortest Paths ($k$-DSP) problem, we are given a weighted graph $G$ on $n$ nodes and $m$ edges with specified source vertices $s_1, \dots, s_k$, and target vertices $t_1, \dots, t_k$, and are tasked with determining if…

数据结构与算法 · 计算机科学 2024-05-13 Shyan Akmal , Virginia Vassilevska Williams , Nicole Wein

Paths $P_1,\ldots, P_k$ in a graph $G=(V,E)$ are mutually induced if any two distinct $P_i$ and $P_j$ have neither common vertices nor adjacent vertices. The Induced Disjoint Paths problem is to decide if a graph $G$ with $k$ pairs of…

组合数学 · 数学 2022-07-19 Barnaby Martin , Daniël Paulusma , Siani Smith , Erik Jan van Leeuwen

This paper considers the data association problem for multi-target tracking. Multiple hypothesis tracking is a popular algorithm for solving this problem but it is NP-hard and is is quite complicated for a large number of targets or for…

信息论 · 计算机科学 2021-05-05 Haiqi Liu , Xiaojing Shen , Zhiguo Wang , Fanqin Meng , Junfeng Wang , Pramod , Varshney

Finding correspondences between shapes is a fundamental problem in computer vision and graphics, which is relevant for many applications, including 3D reconstruction, object tracking, and style transfer. The vast majority of correspondence…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Maolin Gao , Zorah Lähner , Johan Thunberg , Daniel Cremers , Florian Bernard

Object detection and data association are critical components in multi-object tracking (MOT) systems. Despite the fact that the two components are dependent on each other, prior works often design detection and data association modules…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Yongxin Wang , Kris Kitani , Xinshuo Weng

We consider the problem of tracking multiple, unknown, and time-varying numbers of objects using a distributed network of heterogeneous sensors. In an effort to derive a formulation for practical settings, we consider limited and unknown…

多智能体系统 · 计算机科学 2024-09-12 Fei Chen , Hoa Van Nguyen , Alex S. Leong , Sabita Panicker , Robin Baker , Damith C. Ranasinghe

Given a graph, the shortest-path problem requires finding a sequence of edges with minimum cumulative length that connects a source vertex to a target vertex. We consider a variant of this classical problem in which the position of each…

离散数学 · 计算机科学 2024-05-10 Tobia Marcucci , Jack Umenberger , Pablo A. Parrilo , Russ Tedrake

Visual object tracking, which is primarily based on visible light image sequences, encounters numerous challenges in complicated scenarios, such as low light conditions, high dynamic ranges, and background clutter. To address these…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Hongze Sun , Rui Liu , Wuque Cai , Jun Wang , Yue Wang , Huajin Tang , Yan Cui , Dezhong Yao , Daqing Guo

Multi-object tracking (MOT) is an important and practical task related to both surveillance systems and moving camera applications, such as autonomous driving and robotic vision. However, due to unreliable detection, occlusion and fast…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Gaoang Wang , Yizhou Wang , Haotian Zhang , Renshu Gu , Jenq-Neng Hwang

We study the upgrading version of the maximal covering location problem with edge length modifications on networks. This problem aims at locating p facilities on the vertices (of the network) so as to maximise coverage, considering that the…

An instance of the maximum mixed graph orientation problem consists of a mixed graph and a collection of source-target vertex pairs. The objective is to orient the undirected edges of the graph so as to maximize the number of pairs that…

数据结构与算法 · 计算机科学 2012-04-03 Iftah Gamzu , Moti Medina

In the Disjoint Paths problem, the input is an undirected graph $G$ on $n$ vertices and a set of $k$ vertex pairs, $\{s_i,t_i\}_{i=1}^k$, and the task is to find $k$ pairwise vertex-disjoint paths connecting $s_i$ to $t_i$. The problem was…

数据结构与算法 · 计算机科学 2021-04-01 Daniel Lokshtanov , Pranabendu Misra , Michal Pilipczuk , Saket Saurabh , Meirav Zehavi

Tracking of objects in 3D is a fundamental task in computer vision that finds use in a wide range of applications such as autonomous driving, robotics or augmented reality. Most recent approaches for 3D multi object tracking (MOT) from…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Jan-Nico Zaech , Dengxin Dai , Alexander Liniger , Martin Danelljan , Luc Van Gool

In this paper, we consider the problem of distributed optimisation of a separable convex cost function over a graph, where every edge and node in the graph could carry both linear equality and/or inequality constraints. We show how to…

分布式、并行与集群计算 · 计算机科学 2024-02-20 Richard Heusdens , Guoqiang Zhang

Extended target/object tracking (ETT) problem involves tracking objects which potentially generate multiple measurements at a single sensor scan. State-of-the-art ETT algorithms can efficiently exploit the available information in these…

信号处理 · 电气工程与系统科学 2020-02-14 Barkın Tuncer , Murat Kumru , Emre Özkan

Object detection is a challenging task in remote sensing because objects only occupy a few pixels in the images, and the models are required to simultaneously learn object locations and detection. Even though the established approaches well…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Pourya Shamsolmoali , Jocelyn Chanussot , Masoumeh Zareapoor , Huiyu Zhou , Jie Yang