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Time series forecasting has witnessed significant progress with deep learning. While prevailing approaches enhance forecasting performance by modifying architectures or introducing novel enhancement strategies, they often fail to…

机器学习 · 计算机科学 2026-03-31 Haonan Yang , Jianchao Tang , Zhuo Li

We introduce DreamerAD, the first latent world model framework that enables efficient reinforcement learning for autonomous driving by compressing diffusion sampling from 100 steps to 1 - achieving 80x speedup while maintaining visual…

Despite significant advances in deep learning, models often struggle to generalize well to new, unseen domains, especially when training data is limited. To address this challenge, we propose a novel approach for distribution-aware latent…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Ran Liu , Sahil Khose , Jingyun Xiao , Lakshmi Sathidevi , Keerthan Ramnath , Zsolt Kira , Eva L. Dyer

Spatiotemporal Traffic Data (STTD) measures the complex dynamical behaviors of the multiscale transportation system. Existing methods aim to reconstruct STTD using low-dimensional models. However, they are limited to data-specific…

机器学习 · 计算机科学 2024-10-25 Tong Nie , Guoyang Qin , Wei Ma , Jian Sun

Real-world applications of reinforcement learning often involve environments where agents operate on complex, high-dimensional observations, but the underlying (''latent'') dynamics are comparatively simple. However, outside of restrictive…

机器学习 · 计算机科学 2024-10-24 Philip Amortila , Dylan J. Foster , Nan Jiang , Akshay Krishnamurthy , Zakaria Mhammedi

Motion prediction, recently popularized as world models, refers to the anticipation of future agent states or scene evolution, which is rooted in human cognition, bridging perception and decision-making. It enables intelligent systems, such…

Sample-efficiency and reliability remain major bottlenecks toward wide adoption of reinforcement learning algorithms in continuous settings with high-dimensional perceptual inputs. Toward addressing these challenges, we introduce a new…

机器学习 · 计算机科学 2024-05-30 Yuda Song , Lili Wu , Dylan J. Foster , Akshay Krishnamurthy

Recent weakly supervised semantic segmentation (WSSS) methods strive to incorporate contextual knowledge to improve the completeness of class activation maps (CAM). In this work, we argue that the knowledge bias between instances and…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Feilong Tang , Zhongxing Xu , Zhaojun Qu , Wei Feng , Xingjian Jiang , Zongyuan Ge

Autoregressive transformers have recently shown impressive image generation quality and efficiency on par with state-of-the-art diffusion models. Unlike diffusion architectures, autoregressive models can naturally incorporate arbitrary…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Yixiao Chen , Zhiyuan Ma , Guoli Jia , Che Jiang , Jianjun Li , Bowen Zhou

Autonomous driving systems require a comprehensive understanding of the environment, achieved by extracting visual features essential for perception, planning, and control. However, models trained solely on single-task objectives or generic…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Huy-Dung Nguyen , Anass Bairouk , Mirjana Maras , Wei Xiao , Tsun-Hsuan Wang , Patrick Chareyre , Ramin Hasani , Marc Blanchon , Daniela Rus

As autonomous driving technology progresses, the need for precise trajectory prediction models becomes paramount. This paper introduces an innovative model that infuses cognitive insights into trajectory prediction, focusing on perceived…

机器人学 · 计算机科学 2024-04-29 Haicheng Liao , Zhenning Li , Chengyue Wang , Bonan Wang , Hanlin Kong , Yanchen Guan , Guofa Li , Zhiyong Cui , Chengzhong Xu

The success of Transformer-based models has encouraged many researchers to learn CAD models using sequence-based approaches. However, learning CAD models is still a challenge, because they can be represented as complex shapes with long…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Minseop Jung , Minseong Kim , Jibum Kim

Goal-conditioned planning benefits from learned low-dimensional representations of rich observations. While compact latent representations typically learned from variational autoencoders or inverse dynamics enable goal-conditioned decision…

Off-dynamics offline reinforcement learning (RL) aims to learn a policy for a target domain using limited target data and abundant source data collected under different transition dynamics. Existing methods typically address dynamics…

机器学习 · 计算机科学 2026-02-25 Zhangjie Xia , Yu Yang , Pan Xu

Interacting with the actual environment to acquire data is often costly and time-consuming in robotic tasks. Model-based offline reinforcement learning (RL) provides a feasible solution. On the one hand, it eliminates the requirements of…

机器学习 · 计算机科学 2023-10-17 Pengqin Wang , Meixin Zhu , Shaojie Shen

Automation systems are increasingly being used in dynamic and various operating conditions. With higher flexibility demands, they need to promptly respond to surrounding dynamic changes by adapting their operation. Context information…

软件工程 · 计算机科学 2022-07-12 Nada Sahlab , Nasser Jazdi , Michael Weyrich

Driving in a dynamic, multi-agent, and complex urban environment is a difficult task requiring a complex decision-making policy. The learning of such a policy requires a state representation that can encode the entire environment. Mid-level…

机器学习 · 计算机科学 2021-12-23 Eshagh Kargar , Ville Kyrki

Reinforcement Learning (RL) techniques have drawn great attention in many challenging tasks, but their performance deteriorates dramatically when applied to real-world problems. Various methods, such as domain randomization, have been…

机器学习 · 计算机科学 2022-08-05 Wangyang Yue , Yuan Zhou , Xiaochuan Zhang , Yuchen Hua , Zhiyuan Wang , Guang Kou

World models have recently gained prominence for action-conditioned visual prediction in complex environments. However, relying on only a few recent observations causes them to lose long-term context. Consequently, within a few steps, the…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Nedko Savov , Naser Kazemi , Deheng Zhang , Danda Pani Paudel , Xi Wang , Luc Van Gool

Continuous state spaces and stochastic, switching dynamics characterize a number of rich, realworld domains, such as robot navigation across varying terrain. We describe a reinforcementlearning algorithm for learning in these domains and…

机器学习 · 计算机科学 2012-06-18 Emma Brunskill , Bethany Leffler , Lihong Li , Michael L. Littman , Nicholas Roy