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When using a tool, the grasps used for picking it up, reposing, and holding it in a suitable pose for the desired task could be distinct. Therefore, a key challenge for autonomous in-hand tool manipulation is finding a sequence of grasps…

Robotics · Computer Science 2023-04-06 Ethan K. Gordon , Rana Soltani Zarrin

Path planning is an important problem with the the applications in many aspects, such as video games, robotics etc. This paper proposes a novel method to address the problem of Deep Reinforcement Learning (DRL) based path planning for a…

Robotics · Computer Science 2024-04-11 Hao Liu , Yi Shen , Shuangjiang Yu , Zijun Gao , Tong Wu

Deep reinforcement learning (DRL) has proven extremely useful in a large variety of application domains. However, even successful DRL-based software can exhibit highly undesirable behavior. This is due to DRL training being based on…

Machine Learning · Computer Science 2023-09-12 Ophir M. Carmel , Guy Katz

Present-day Deep Reinforcement Learning (RL) systems show great promise towards building intelligent agents surpassing human-level performance. However, the computational complexity associated with the underlying deep neural networks (DNNs)…

Machine Learning · Computer Science 2021-09-20 Adarsh Kumar Kosta , Malik Aqeel Anwar , Priyadarshini Panda , Arijit Raychowdhury , Kaushik Roy

Deep Matching (DM) is a popular high-quality method for quasi-dense image matching. Despite its name, however, the original DM formulation does not yield a deep neural network that can be trained end-to-end via backpropagation. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-09-13 James Thewlis , Shuai Zheng , Philip H. S. Torr , Andrea Vedaldi

Aligning generative diffusion models with human preferences via reinforcement learning (RL) is critical yet challenging. Most existing algorithms are often vulnerable to reward hacking, such as quality degradation, over-stylization, or…

(This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible.) To improve the efficiency of deep reinforcement learning (DRL)-based…

Artificial Intelligence · Computer Science 2021-05-25 Gang Peng , Jin Yang , Xinde Lia , Mohammad Omar Khyam

Deep Reinforcement Learning (DRL) has become a popular method for solving control problems in power systems. Conventional DRL encourages the agent to explore various policies encoded in a neural network (NN) with the goal of maximizing the…

Systems and Control · Electrical Eng. & Systems 2024-10-28 Tong Wu , Anna Scaglione , Daniel Arnold

Dynamic treatment regimes (DTRs) are personalized, adaptive, multi-stage treatment plans that adapt treatment decisions both to an individual's initial features and to intermediate outcomes and features at each subsequent stage, which are…

Machine Learning · Statistics 2022-09-22 Yichun Hu , Nathan Kallus

Recent progress in deep learning has continuously improved the accuracy of dialogue response selection. In particular, sophisticated neural network architectures are leveraged to capture the rich interactions between dialogue context and…

Computation and Language · Computer Science 2022-04-26 Tian Lan , Deng Cai , Yan Wang , Yixuan Su , Heyan Huang , Xian-Ling Mao

Due to the scarcity of publicly available diarization data, the model performance can be improved by training a single model with data from different domains. In this work, we propose to incorporate domain information to train a single…

Sound · Computer Science 2023-12-13 Ivan Fung , Lahiru Samarakoon , Samuel J. Broughton

Planar pushing remains a challenging research topic, where building the dynamic model of the interaction is the core issue. Even an accurate analytical dynamic model is inherently unstable because physics parameters such as inertia and…

Robotics · Computer Science 2020-07-28 Lin Cong , Michael Görner , Philipp Ruppel , Hongzhuo Liang , Norman Hendrich , Jianwei Zhang

This paper proposes a dynamic regression (DR) framework that enhances existing deep spatiotemporal models by incorporating structured learning for the error process in traffic forecasting. The framework relaxes the assumption of time…

Machine Learning · Computer Science 2025-04-09 Vincent Zhihao Zheng , Seongjin Choi , Lijun Sun

Diffusion policies trained via offline behavioral cloning have recently gained traction in robotic motion generation. While effective, these policies typically require a large number of trainable parameters. This model size affords powerful…

Robotics · Computer Science 2025-04-29 Xiatao Sun , Shuo Yang , Yinxing Chen , Francis Fan , Yiyan Liang , Daniel Rakita

Retrieving relevant contexts from a large corpus is a crucial step for tasks such as open-domain question answering and fact checking. Although neural retrieval outperforms traditional methods like tf-idf and BM25, its performance degrades…

Computation and Language · Computer Science 2021-01-05 Jean Maillard , Vladimir Karpukhin , Fabio Petroni , Wen-tau Yih , Barlas Oğuz , Veselin Stoyanov , Gargi Ghosh

Deep reinforcement learning (DRL) is an emerging methodology that is transforming the way many complicated transportation decision-making problems are tackled. Researchers have been increasingly turning to this powerful learning-based…

Machine Learning · Computer Science 2020-10-14 Nahid Parvez Farazi , Tanvir Ahamed , Limon Barua , Bo Zou

While traditional Deep Learning (DL) optimization methods treat all training samples equally, Distributionally Robust Optimization (DRO) adaptively assigns importance weights to different samples. However, a significant gap exists between…

As the next generation of mobile systems evolves, artificial intelligence (AI) is expected to deeply integrate with wireless communications for resource management in variable environments. In particular, deep reinforcement learning (DRL)…

Signal Processing · Electrical Eng. & Systems 2024-10-15 Jie Zhang , Jun Li , Long Shi , Zhe Wang , Shi Jin , Wen Chen , H. Vincent Poor

Many approaches have been proposed to use diffusion models to augment training datasets for downstream tasks, such as classification. However, diffusion models are themselves trained on large datasets, often with noisy annotations, and it…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Max F. Burg , Florian Wenzel , Dominik Zietlow , Max Horn , Osama Makansi , Francesco Locatello , Chris Russell

Deep reinforcement learning (DRL) demonstrates its potential in learning a model-free navigation policy for robot visual navigation. However, the data-demanding algorithm relies on a large number of navigation trajectories in training.…

Robotics · Computer Science 2018-02-27 Kaichun Mo , Haoxiang Li , Zhe Lin , Joon-Young Lee