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The capability of continuously learning new skills via a sequence of pre-collected offline datasets is desired for an agent. However, consecutively learning a sequence of offline tasks likely leads to the catastrophic forgetting issue under…

机器学习 · 计算机科学 2024-04-23 Sibo Gai , Donglin Wang , Li He

Classic reinforcement learning (RL) frequently confronts challenges in tasks involving delays, which cause a mismatch between received observations and subsequent actions, thereby deviating from the Markov assumption. Existing methods…

机器学习 · 计算机科学 2024-06-06 Bo Xia , Yilun Kong , Yongzhe Chang , Bo Yuan , Zhiheng Li , Xueqian Wang , Bin Liang

Deep reinforcement learning (DRL) has significantly advanced the field of combinatorial optimization (CO). However, its practicality is hindered by the necessity for a large number of reward evaluations, especially in scenarios involving…

机器学习 · 计算机科学 2024-07-18 Hyeonah Kim , Minsu Kim , Sungsoo Ahn , Jinkyoo Park

A widely-studied deep reinforcement learning (RL) technique known as Prioritized Experience Replay (PER) allows agents to learn from transitions sampled with non-uniform probability proportional to their temporal-difference (TD) error.…

机器学习 · 计算机科学 2022-09-02 Baturay Saglam , Furkan B. Mutlu , Dogan C. Cicek , Suleyman S. Kozat

Deep convolutional neural networks (CNNs) with strong expressive ability have achieved impressive performances on single image super-resolution (SISR). However, their excessive amounts of convolutions and parameters usually consume high…

图像与视频处理 · 电气工程与系统科学 2020-07-22 Chunwei Tian , Ruibin Zhuge , Zhihao Wu , Yong Xu , Wangmeng Zuo , Chen Chen , Chia-Wen Lin

In recent years, representation learning approaches have disrupted many multimedia computing tasks. Among those approaches, deep convolutional neural networks (CNNs) have notably reached human level expertise on some constrained image…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Lucas Pascal , Xavier Bost , Benoît Huet

Deep learning has achieved remarkable successes in solving challenging reinforcement learning (RL) problems when dense reward function is provided. However, in sparse reward environment it still often suffers from the need to carefully…

机器学习 · 计算机科学 2019-02-19 Hao Liu , Alexander Trott , Richard Socher , Caiming Xiong

Perceptive deep reinforcement learning (DRL) has lead to many recent breakthroughs for complex AI systems leveraging image-based input data. Applications of these results range from super-human level video game agents to dexterous,…

机器人学 · 计算机科学 2023-10-04 Lev Grossman , Brian Plancher

Hindsight Experience Replay (HER) is a technique used in reinforcement learning (RL) that has proven to be very efficient for training off-policy RL-based agents to solve goal-based robotic manipulation tasks using sparse rewards. Even…

Recently, neuro-inspired episodic control (EC) methods have been developed to overcome the data-inefficiency of standard deep reinforcement learning approaches. Using non-/semi-parametric models to estimate the value function, they learn…

机器学习 · 计算机科学 2019-11-22 Andrea Agostinelli , Kai Arulkumaran , Marta Sarrico , Pierre Richemond , Anil Anthony Bharath

Deep convolutional neural networks (CNNs) have recently achieved great success for single image super-resolution (SISR) task due to their powerful feature representation capabilities. The most recent deep learning based SISR methods focus…

图像与视频处理 · 电气工程与系统科学 2020-09-11 Rao Muhammad Umer , Gian Luca Foresti , Christian Micheloni

Deep learning architectures have achieved state-of-the-art (SOTA) performance on computer vision tasks such as object detection and image segmentation. This may be attributed to the use of over-parameterized, monolithic deep learning…

机器学习 · 计算机科学 2024-02-20 Bharat Srikishan , Anika Tabassum , Srikanth Allu , Ramakrishnan Kannan , Nikhil Muralidhar

Reinforcement learning (RL) for robotics is challenging due to the difficulty in hand-engineering a dense cost function, which can lead to unintended behavior, and dynamical uncertainty, which makes exploration and constraint satisfaction…

This paper addresses a relatively new task: prediction of ASR performance on unseen broadcast programs. In a previous paper, we presented an ASR performance prediction system using CNNs that encode both text (ASR transcript) and speech, in…

计算与语言 · 计算机科学 2018-08-29 Zied Elloumi , Laurent Besacier , Olivier Galibert , Benjamin Lecouteux

A major challenge in modern reinforcement learning (RL) is efficient control of dynamical systems from high-dimensional sensory observations. Learning controllable embedding (LCE) is a promising approach that addresses this challenge by…

机器学习 · 计算机科学 2020-06-25 Brandon Cui , Yinlam Chow , Mohammad Ghavamzadeh

Recent work has shown that convolutional neural networks (CNNs) can be applied successfully in disparity estimation, but these methods still suffer from errors in regions of low-texture, occlusions and reflections. Concurrently, deep…

计算机视觉与模式识别 · 计算机科学 2019-05-09 Junming Zhang , Katherine A. Skinner , Ram Vasudevan , Matthew Johnson-Roberson

Self-supervised learning (SSL) has allowed substantial progress in Automatic Speech Recognition (ASR) performance in low-resource settings. In this context, it has been demonstrated that larger self-supervised feature extractors are crucial…

音频与语音处理 · 电气工程与系统科学 2023-03-14 Salah Zaiem , Robin Algayres , Titouan Parcollet , Slim Essid , Mirco Ravanelli

Compression artifacts from standard video codecs often degrade perceptual quality. We propose a lightweight, semantic-aware pre-processing framework that enhances perceptual fidelity by selectively addressing these distortions. Our method…

图像与视频处理 · 电气工程与系统科学 2026-02-02 Han-Yu Lin , Li-Wei Chen , Hung-Shin Lee

Current Multilingual ASR models only support a fraction of the world's languages. Continual Learning (CL) aims to tackle this problem by adding new languages to pre-trained models while avoiding the loss of performance on existing…

计算与语言 · 计算机科学 2025-01-15 Chin Yuen Kwok , Jia Qi Yip , Eng Siong Chng

Training high-quality deep models necessitates vast amounts of data, resulting in overwhelming computational and memory demands. Recently, data pruning, distillation, and coreset selection have been developed to streamline data volume by…