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We present a stereo-based dense mapping algorithm for large-scale dynamic urban environments. In contrast to other existing methods, we simultaneously reconstruct the static background, the moving objects, and the potentially moving but…

计算机视觉与模式识别 · 计算机科学 2019-05-09 Ioan Andrei Bârsan , Peidong Liu , Marc Pollefeys , Andreas Geiger

We propose an optimal algorithm for solving the longest path problem in undirected weighted graphs. By using graph partitioning and dynamic programming, we obtain an algorithm that is significantly faster than other state-of-the-art…

数据结构与算法 · 计算机科学 2017-02-15 Tomas Balyo , Kai Fieger , Christian Schulz

Distributed training in deep learning (DL) is common practice as data and models grow. The current practice for distributed training of deep neural networks faces the challenges of communication bottlenecks when operating at scale, and…

机器学习 · 计算机科学 2020-12-21 Shubhankar Gahlot , Junqi Yin , Mallikarjun Shankar

In this paper, we propose a reinforcement learning-based algorithm for trajectory optimization for constrained dynamical systems. This problem is motivated by the fact that for most robotic systems, the dynamics may not always be known.…

This article proposes an improved trajectory optimization approach for stochastic optimal control of dynamical systems affected by measurement noise by combining optimal control with maximum likelihood techniques to improve the reduction of…

系统与控制 · 电气工程与系统科学 2023-12-25 Prakash Mallick , Zhiyong Chen

World models are essential for autonomous robotic planning. However, the substantial computational overhead of existing dense Transformerbased models significantly hinders real-time deployment. To address this efficiency-performance…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Shicheng Yin , Kaixuan Yin , Weixing Chen , Yang Liu , Guanbin Li , Liang Lin

Path planning in dynamic environments is a fundamental challenge in intelligent transportation and robotics, where obstacles and conditions change over time, introducing uncertainty and requiring continuous adaptation. While existing…

机器人学 · 计算机科学 2025-11-20 Jonas De Maeyer , Hossein Yarahmadi , Moharram Challenger

In this paper we introduce DISROPT, a Python package for distributed optimization over networks. We focus on cooperative set-ups in which an optimization problem must be solved by peer-to-peer processors (without central coordinators) that…

最优化与控制 · 数学 2021-04-21 Francesco Farina , Andrea Camisa , Andrea Testa , Ivano Notarnicola , Giuseppe Notarstefano

Real-time path planning in constrained environments remains a fundamental challenge for autonomous systems. Traditional classical planners, while effective under perfect perception assumptions, are often sensitive to real-world perception…

机器人学 · 计算机科学 2026-02-02 Feng Tao , Luca Paparusso , Chenyi Gu , Robin Koehler , Chenxu Wu , Xinyu Huang , Christian Juette , David Paz , Ren Liu

In motion simulation, motion cueing algorithms are used for the trajectory planning of the motion simulator platform, where workspace limitations prevent direct reproduction of reference trajectories. Strategies such as motion washout,…

系统与控制 · 电气工程与系统科学 2025-04-04 Hendrik Scheidel , Camilo Gonzalez , Houshyar Asadi , Tobias Bellmann , Andreas Seefried , Shady Mohamed , Saeid Nahavandi

This paper focuses on solving a data-driven distributionally robust optimization problem over a network of agents. The agents aim to minimize the worst-case expected cost computed over a Wasserstein ambiguity set that is centered at the…

最优化与控制 · 数学 2022-08-23 Ashish Cherukuri , Alireza Zolanvari , Goran Banjac , Ashish R. Hota

We formulate a low-storage method for performing dynamic mode decomposition that can be updated inexpensively as new data become available; this formulation allows dynamical information to be extracted from large datasets and data streams.…

流体动力学 · 物理学 2015-06-22 Maziar S. Hemati , Matthew O. Williams , Clarence W. Rowley

In many real-world scenarios, Reinforcement Learning (RL) algorithms are trained on data with dynamics shift, i.e., with different underlying environment dynamics. A majority of current methods address such issue by training context…

机器学习 · 计算机科学 2024-02-23 Zhenghai Xue , Qingpeng Cai , Shuchang Liu , Dong Zheng , Peng Jiang , Kun Gai , Bo An

We consider distributed optimization under communication constraints for training deep learning models. We propose a new algorithm, whose parameter updates rely on two forces: a regular gradient step, and a corrective direction dictated by…

机器学习 · 计算机科学 2022-04-29 Yunfei Teng , Wenbo Gao , Francois Chalus , Anna Choromanska , Donald Goldfarb , Adrian Weller

Within the framework of the augmented Lagrangian (AL), we propose a novel distributed optimization method, termed Distributed Augmented Lagrangian Decomposition (DALD), and provide a rigorous convergence proof for its standard version. To…

最优化与控制 · 数学 2025-10-07 Wenyou Guo , Ting Qu , Hainan Huang , Yafeng Wei

We investigate the temporal concatenation of sub-policies in Markov Decision Processes (MDP) with time-varying reward functions. We introduce General Dijkstra Search (GDS), and prove that globally optimal goal-reaching policies can be…

机器学习 · 计算机科学 2026-05-15 Fangyuan Yu , Xin Su , Amir Abdullah

In robotic deformable object manipulation (DOM) applications, constraints arise commonly from environments and task-specific requirements. Enabling DOM with constraints is therefore crucial for its deployment in practice. However, dealing…

机器人学 · 计算机科学 2024-02-20 Jing Huang , Xiangyu Chu , Xin Ma , Kwok Wai Samuel Au

Automated Driving Systems (ADS) development relies on utilizing real-world vehicle data. The volume of data generated by modern vehicles presents transmission, storage, and computational challenges. Focusing on Dynamic Behavior (DB) offers…

机器人学 · 计算机科学 2024-07-08 Philipp Reis , Philipp Rigoll , Eric Sax

We propose a method for analyzing the distributed random coordinate descent algorithm for solving separable resource allocation problems in the context of an open multiagent system, where agents can be replaced during the process. In…

多智能体系统 · 计算机科学 2023-09-21 Charles Monnoyer de Galland , Renato Vizuete , Julien M. Hendrickx , Elena Panteley , Paolo Frasca

In this work we study indoor scene object placement. Given a 3D indoor scene and an object, the task is to predict placement locations within the scene. Empirical observations of data-driven approaches to the problem show their tendency to…

图形学 · 计算机科学 2026-05-05 Adrian Chang , Kai Wang , Yuanbo Li , Manolis Savva , Angel X. Chang , Daniel Ritchie