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Deep reinforcement learning has emerged as a promising and powerful technique for automatically acquiring control policies that can process raw sensory inputs, such as images, and perform complex behaviors. However, extending deep RL to…

机器学习 · 计算机科学 2017-06-09 Fereshteh Sadeghi , Sergey Levine

Real-world image super-resolution is a practical image restoration problem that aims to obtain high-quality images from in-the-wild input, has recently received considerable attention with regard to its tremendous application potentials.…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Hao Li , Jinghui Qin , Zhijing Yang , Pengxu Wei , Jinshan Pan , Liang Lin , Yukai Shi

Collision-free motion planning for redundant robot manipulators in complex environments is yet to be explored. Although recent advancements at the intersection of deep reinforcement learning (DRL) and robotics have highlighted its potential…

机器人学 · 计算机科学 2025-05-27 Fengkang Ying , Hanwen Zhang , Haozhe Wang , Huishi Huang , Marcelo H. Ang

Reinforcement learning (RL) is well known for requiring large amounts of data in order for RL agents to learn to perform complex tasks. Recent progress in model-based RL allows agents to be much more data-efficient, as it enables them to…

机器学习 · 计算机科学 2021-08-17 Remo Sasso , Matthia Sabatelli , Marco A. Wiering

Deep learning (DL) has shown promise for faster, high quality accelerated MRI reconstruction. However, supervised DL methods depend on extensive amounts of fully-sampled (labeled) data and are sensitive to out-of-distribution (OOD) shifts,…

Multimodal Large Language Models struggle to maintain reliable performance under extreme real-world visual degradations, which impede their practical robustness. Existing robust MLLMs predominantly rely on implicit training/adaptation that…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Jiaqi Tang , Jianmin Chen , Wei Wei , Xiaogang Xu , Runtao Liu , Xiangyu Wu , Qipeng Xie , Jiafei Wu , Lei Zhang , Qifeng Chen

We study an approach to offline reinforcement learning (RL) based on optimally solving finitely-represented MDPs derived from a static dataset of experience. This approach can be applied on top of any learned representation and has the…

机器学习 · 计算机科学 2025-02-06 Aayam Shrestha , Stefan Lee , Prasad Tadepalli , Alan Fern

Visual Reinforcement Learning (RL) methods often require extensive amounts of data. As opposed to model-free RL, model-based RL (MBRL) offers a potential solution with efficient data utilization through planning. Additionally, RL lacks…

机器学习 · 计算机科学 2025-01-16 Moritz Schneider , Robert Krug , Narunas Vaskevicius , Luigi Palmieri , Joschka Boedecker

With the development of foundational models, model compression has become a critical requirement. Various model compression approaches have been proposed such as low-rank decomposition, pruning, quantization, ergodic dynamic systems, and…

机器学习 · 计算机科学 2026-04-01 Jing-Xiao Liao , Haoran Wang , Tao Li , Daoming Lyu , Yi Zhang , Chengjun Cai , Feng-Lei Fan

In real-world tasks, reinforcement learning (RL) agents frequently encounter situations that are not present during training time. To ensure reliable performance, the RL agents need to exhibit robustness against worst-case situations. The…

机器学习 · 计算机科学 2021-03-19 Sebastian Curi , Ilija Bogunovic , Andreas Krause

Deep reinforcement learning (deep RL) has been successful in learning sophisticated behaviors automatically; however, the learning process requires a huge number of trials. In contrast, animals can learn new tasks in just a few trials,…

人工智能 · 计算机科学 2016-11-11 Yan Duan , John Schulman , Xi Chen , Peter L. Bartlett , Ilya Sutskever , Pieter Abbeel

Reinforcement Learning (RL) has achieved impressive results in robotics, yet high-performing pipelines remain highly task-specific, with little reuse of prior data. Offline Model-based RL (MBRL) offers greater data efficiency by training…

机器人学 · 计算机科学 2026-01-09 Chenhao Li , Andreas Krause , Marco Hutter

One approach to meet the challenges of deep lifelong reinforcement learning (LRL) is careful management of the agent's learning experiences, to learn (without forgetting) and build internal meta-models (of the tasks, environments, agents,…

Model-based reinforcement learning (RL) is considered to be a promising approach to reduce the sample complexity that hinders model-free RL. However, the theoretical understanding of such methods has been rather limited. This paper…

机器学习 · 计算机科学 2021-02-16 Yuping Luo , Huazhe Xu , Yuanzhi Li , Yuandong Tian , Trevor Darrell , Tengyu Ma

The primacy bias in model-free reinforcement learning (MFRL), which refers to the agent's tendency to overfit early data and lose the ability to learn from new data, can significantly decrease the performance of MFRL algorithms. Previous…

机器学习 · 计算机科学 2024-08-20 Zhongjian Qiao , Jiafei Lyu , Xiu Li

Deep learning methods have been successfully used in various computer vision tasks. Inspired by that success, deep learning has been explored in magnetic resonance imaging (MRI) reconstruction. In particular, integrating deep learning and…

图像与视频处理 · 电气工程与系统科学 2023-10-06 Peizhou Huang , Chaoyi Zhang , Xiaoliang Zhang , Xiaojuan Li , Liang Dong , Leslie Ying

Autonomous navigation is an essential capability of smart mobility for mobile robots. Traditional methods must have the environment map to plan a collision-free path in workspace. Deep reinforcement learning (DRL) is a promising technique…

机器人学 · 计算机科学 2019-04-23 Liulong Ma , Yanjie Liu , Jiao Chen , Dong Jin

Generic deep learning (DL) networks for image restoration like denoising and interpolation lack mathematical interpretability, require voluminous training data to tune a large parameter set, and are fragile in the face of covariate shift.…

图像与视频处理 · 电气工程与系统科学 2025-03-13 Jianghe Cai , Gene Cheung , Fei Chen

Autonomous navigation of terrestrial robots using Reinforcement Learning (RL) from LIDAR observations remains challenging due to the high dimensionality of sensor data and the sample inefficiency of model-free approaches. Conventional…

Existing Large Reasoning Models (LRMs) have shown the potential of reinforcement learning (RL) to enhance the complex reasoning capabilities of Large Language Models~(LLMs). While they achieve remarkable performance on challenging tasks…

人工智能 · 计算机科学 2025-03-19 Huatong Song , Jinhao Jiang , Yingqian Min , Jie Chen , Zhipeng Chen , Wayne Xin Zhao , Lei Fang , Ji-Rong Wen