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Self-supervised learning has made substantial strides in image processing, while visual pre-training for autonomous driving is still in its infancy. Existing methods often focus on learning geometric scene information while neglecting…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Shaoqing Xu , Fang Li , Shengyin Jiang , Ziying Song , Li Liu , Zhi-xin Yang

Implicit neural representations have shown promising potential for the 3D scene reconstruction. Recent work applies it to autonomous 3D reconstruction by learning information gain for view path planning. Effective as it is, the computation…

机器人学 · 计算机科学 2022-09-28 Jing Zeng , Yanxu Li , Yunlong Ran , Shuo Li , Fei Gao , Lincheng Li , Shibo He , Jiming chen , Qi Ye

In this paper, we will show an unprecedented method to accelerate training and improve performance, which called random gradient (RG). This method can be easier to the training of any model without extra calculation cost, we use Image…

机器学习 · 计算机科学 2018-08-22 Jiakai Wei

We propose a stable, parallel approach to train Wasserstein Conditional Generative Adversarial Neural Networks (W-CGANs) under the constraint of a fixed computational budget. Differently from previous distributed GANs training techniques,…

人工智能 · 计算机科学 2022-08-26 Massimiliano Lupo Pasini , Junqi Yin

Global routing is a critical stage in electronic design automation (EDA) that enables early estimation and optimization of the routability of modern integrated circuits with respect to congestion, power dissipation, and design complexity.…

机器学习 · 计算机科学 2025-11-25 Hadi Khodaei Jooshin , Inna Partin-Vaisband

We investigate the problem of risk averse robot path planning using the deep reinforcement learning and distributionally robust optimization perspectives. Our problem formulation involves modelling the robot as a stochastic linear dynamical…

机器人学 · 计算机科学 2022-11-07 Cem Alpturk , Venkatraman Renganathan

In this paper, we propose a learning algorithm that speeds up the search in task and motion planning problems. Our algorithm proposes solutions to three different challenges that arise in learning to improve planning efficiency: what to…

机器人学 · 计算机科学 2018-07-27 Beomjoon Kim , Zi Wang , Leslie Pack Kaelbling , Tomas Lozano-Perez

A novel optimization approach is proposed for application to policy gradient methods and evolution strategies for reinforcement learning (RL). The procedure uses a computationally efficient Wasserstein natural gradient (WNG) descent that…

机器学习 · 计算机科学 2021-03-19 Ted Moskovitz , Michael Arbel , Ferenc Huszar , Arthur Gretton

We introduce Wasserstein Adversarial Proximal Policy Optimization (WAPPO), a novel algorithm for visual transfer in Reinforcement Learning that explicitly learns to align the distributions of extracted features between a source and target…

机器学习 · 计算机科学 2020-06-08 Josh Roy , George Konidaris

One of the main challenges in the parametrization of geological models is the ability to capture complex geological structures often observed in the subsurface. In recent years, generative adversarial networks (GAN) were proposed as an…

机器学习 · 统计学 2019-04-10 Shing Chan , Ahmed H. Elsheikh

In this paper, we propose World Model Policy Gradient (WMPG), an approach to reduce the variance of policy gradient estimates using learned world models (WM's). In WMPG, a WM is trained online and used to imagine trajectories. The imagined…

机器学习 · 统计学 2020-10-30 Michal Nauman , Floris Den Hengst

Unstructured environments such as mountains, caves, construction sites, or disaster areas are challenging for autonomous navigation because of terrain irregularities. In particular, it is crucial to plan a path to avoid risky terrain and…

机器人学 · 计算机科学 2025-01-06 Dongkyu Lee , I Made Aswin Nahrendra , Minho Oh , Byeongho Yu , Hyun Myung

To improve the performance of classical generative adversarial network (GAN), Wasserstein generative adversarial networks (W-GAN) was developed as a Kantorovich dual formulation of the optimal transport (OT) problem using Wasserstein-1…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Byeongsu Sim , Gyutaek Oh , Jeongsol Kim , Chanyong Jung , Jong Chul Ye

Optimization over the space of probability measures endowed with the Wasserstein-2 geometry is central to modern machine learning and mean-field modeling. However, traditional methods relying on full Wasserstein gradients often suffer from…

机器学习 · 统计学 2026-04-03 Yewei Xu , Qin Li

Graphs are often used to organize data because of their simple topological structure, and therefore play a key role in machine learning. And it turns out that the low-dimensional embedded representation obtained by graph representation…

机器学习 · 计算机科学 2021-01-05 Xing Li , Wei Wei , Xiangnan Feng , Zhiming Zheng

We study an informative path-planning problem where the goal is to minimize the time required to learn a spatially varying entity. We use Gaussian Process (GP) regression for learning the underlying field. Our goal is to ensure that the GP…

机器人学 · 计算机科学 2020-03-10 Varun Suryan , Pratap Tokekar

In this paper, we study a physics-informed algorithm for Wasserstein Generative Adversarial Networks (WGANs) for uncertainty quantification in solutions of partial differential equations. By using groupsort activation functions in…

数值分析 · 数学 2022-08-10 Yihang Gao , Michael K. Ng

By building upon the recent theory that established the connection between implicit generative modeling (IGM) and optimal transport, in this study, we propose a novel parameter-free algorithm for learning the underlying distributions of…

Generative Adversarial Networks (GANs) are an unsupervised generative model that learns data distribution through adversarial training. However, recent experiments indicated that GANs are difficult to train due to the requirement of…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Wenliang Qian , Yang Xu , Wangmeng Zuo , Hui Li

We propose a new method for autonomous navigation in uneven terrains by utilizing a sparse Gaussian Process (SGP) based local perception model. The SGP local perception model is trained on local ranging observation (pointcloud) to learn the…

机器人学 · 计算机科学 2024-02-22 Hassan Jardali , Mahmoud Ali , Lantao Liu