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While deep neural networks have been shown to perform remarkably well in many machine learning tasks, labeling a large amount of ground truth data for supervised training is usually very costly to scale. Therefore, learning robust…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Jianbo Jiao , Linchao Bao , Yunchao Wei , Shengfeng He , Honghui Shi , Rynson Lau , Thomas S. Huang

We investigate the task of learning blind image denoising networks from an unpaired set of clean and noisy images. Such problem setting generally is practical and valuable considering that it is feasible to collect unpaired noisy and clean…

图像与视频处理 · 电气工程与系统科学 2020-09-01 Xiaohe Wu , Ming Liu , Yue Cao , Dongwei Ren , Wangmeng Zuo

We propose a novel self-supervised image blind denoising approach in which two neural networks jointly predict the clean signal and infer the noise distribution. Assuming that the noisy observations are independent conditionally to the…

机器学习 · 计算机科学 2021-02-17 Jean Ollion , Charles Ollion , Elisabeth Gassiat , Luc Lehéricy , Sylvain Le Corff

Deep neural networks (DNNs) have achieved remarkable success across diverse domains, but their performance can be severely degraded by noisy or corrupted training data. Conventional noise mitigation methods often rely on explicit…

机器学习 · 计算机科学 2025-06-16 Deliang Jin , Gang Chen , Shuo Feng , Yufeng Ling , Haoran Zhu

In standard reinforcement learning settings, agents typically assume immediate feedback about the effects of their actions after taking them. However, in practice, this assumption may not hold true due to physical constraints and can…

机器学习 · 计算机科学 2024-06-27 Armin Karamzade , Kyungmin Kim , Montek Kalsi , Roy Fox

We describe a novel method for training high-quality image denoising models based on unorganized collections of corrupted images. The training does not need access to clean reference images, or explicit pairs of corrupted images, and can…

机器学习 · 计算机科学 2019-10-29 Samuli Laine , Tero Karras , Jaakko Lehtinen , Timo Aila

AI systems deployed in the real world must contend with distractions and out-of-distribution (OOD) noise that can destabilize their policies and lead to unsafe behavior. While robust training can reduce sensitivity to some forms of noise,…

机器学习 · 计算机科学 2025-12-02 Geigh Zollicoffer , Tanush Chopra , Mingkuan Yan , Xiaoxu Ma , Kenneth Eaton , Mark Riedl

A network of agents attempt to learn some unknown state of the world drawn by nature from a finite set. Agents observe private signals conditioned on the true state, and form beliefs about the unknown state accordingly. Each agent may face…

机器学习 · 计算机科学 2015-03-13 Shahin Shahrampour , Mohammad Amin Rahimian , Ali Jadbabaie

To achieve state-of-the-art performance, one still needs to train NER models on large-scale, high-quality annotated data, an asset that is both costly and time-intensive to accumulate. In contrast, real-world applications often resort to…

计算与语言 · 计算机科学 2023-10-26 Zhendong Chu , Ruiyi Zhang , Tong Yu , Rajiv Jain , Vlad I Morariu , Jiuxiang Gu , Ani Nenkova

Animal vocalization denoising is a task similar to human speech enhancement, which is relatively well-studied. In contrast to the latter, it comprises a higher diversity of sound production mechanisms and recording environments, and this…

A key component of model-based reinforcement learning (RL) is a dynamics model that predicts the outcomes of actions. Errors in this predictive model can degrade the performance of model-based controllers, and complex Markov decision…

机器学习 · 计算机科学 2023-06-06 Seohong Park , Sergey Levine

Noise is an important factor which when get added to an image reduces its quality and appearance. So in order to enhance the image qualities, it has to be removed with preserving the textural information and structural features of image.…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Vivek Kumar , Atul Samadhiya

Learning-based denoising algorithms achieve state-of-the-art performance across various denoising tasks. However, training such models relies on access to large training datasets consisting of clean and noisy image pairs. On the other hand,…

图像与视频处理 · 电气工程与系统科学 2025-03-31 Ali Zafari , Xi Chen , Shirin Jalali

A modelling framework, based on the theory of signal processing, for characterising the dynamics of systems driven by the unravelling of information is outlined, and is applied to describe the process of decision making. The model input of…

理论经济学 · 经济学 2022-04-14 Dorje C. Brody

This paper addresses the challenge of a particular class of noisy state observations in Markov Decision Processes (MDPs), a common issue in various real-world applications. We focus on modeling this uncertainty through a confusion matrix…

机器学习 · 计算机科学 2023-12-15 Amirhossein Afsharrad , Sanjay Lall

We learn about the world from a diverse range of sensory information. Automated systems lack this ability as investigation has centred on processing information presented in a single form. Adapting architectures to learn from multiple…

机器学习 · 计算机科学 2020-10-27 Jason Armitage , Shramana Thakur , Rishi Tripathi , Jens Lehmann , Maria Maleshkova

Deep reinforcement learning (RL) can acquire complex behaviors from low-level inputs, such as images. However, real-world applications of such methods require generalizing to the vast variability of the real world. Deep networks are known…

机器学习 · 计算机科学 2017-03-13 Chelsea Finn , Tianhe Yu , Justin Fu , Pieter Abbeel , Sergey Levine

We propose a general framework for denoising high-dimensional measurements which requires no prior on the signal, no estimate of the noise, and no clean training data. The only assumption is that the noise exhibits statistical independence…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Joshua Batson , Loic Royer

While implicit feedback is foundational to modern recommender systems, factors such as human error, uncertainty, and ambiguity in user behavior inevitably introduce significant noise into this feedback, adversely affecting the accuracy and…

信息检索 · 计算机科学 2025-02-04 Kaike Zhang , Qi Cao , Yunfan Wu , Fei Sun , Huawei Shen , Xueqi Cheng

Machine unlearning focuses on the computationally efficient removal of specific training data from trained models, ensuring that the influence of forgotten data is effectively eliminated without the need for full retraining. Despite…

机器学习 · 统计学 2025-05-13 Haolin Zou , Arnab Auddy , Yongchan Kwon , Kamiar Rahnama Rad , Arian Maleki