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Modern neural networks are very powerful predictive models, but they are often incapable of recognizing when their predictions may be wrong. Closely related to this is the task of out-of-distribution detection, where a network must…

机器学习 · 统计学 2018-02-15 Terrance DeVries , Graham W. Taylor

Autoencoders enable data dimensionality reduction and a key component of many (deep) learning systems. This short paper introduces a form of Holland's Learning Classifier System (LCS) to perform autoencoding building upon a previously…

神经与进化计算 · 计算机科学 2019-07-30 Larry Bull

Recent studies on learning-based image denoising have achieved promising performance on various noise reduction tasks. Most of these deep denoisers are trained either under the supervision of clean references, or unsupervised on synthetic…

图像与视频处理 · 电气工程与系统科学 2021-03-30 Rui Zhao , Daniel P. K. Lun , Kin-Man Lam

Deep learning models frequently make incorrect predictions with high confidence when presented with test examples that are not well represented in their training dataset. We propose a novel and straightforward approach to estimate…

机器学习 · 计算机科学 2019-10-04 Tiago Ramalho , Miguel Miranda

This paper proposes a method to use deep neural networks as end-to-end open-set classifiers. It is based on intra-class data splitting. In open-set recognition, only samples from a limited number of known classes are available for training.…

机器学习 · 计算机科学 2019-11-21 Patrick Schlachter , Yiwen Liao , Bin Yang

Autoencoder-based learning has emerged as a staple for disciplining representations in unsupervised and semi-supervised settings. This paper analyzes a framework for improving generalization in a purely supervised setting, where the target…

机器学习 · 统计学 2020-01-24 Daniel Jarrett , Mihaela van der Schaar

Intuitively, unfamiliarity should lead to lack of confidence. In reality, current algorithms often make highly confident yet wrong predictions when faced with relevant but unfamiliar examples. A classifier we trained to recognize gender is…

计算机视觉与模式识别 · 计算机科学 2020-09-09 Zhizhong Li , Derek Hoiem

Autoencoders have been extensively used in the development of recent anomaly detection techniques. The premise of their application is based on the notion that after training the autoencoder on normal training data, anomalous inputs will…

机器学习 · 计算机科学 2024-03-29 Amin Ghafourian , Huanyi Shui , Devesh Upadhyay , Rajesh Gupta , Dimitar Filev , Iman Soltani Bozchalooi

In this paper, we demonstrate how deep autoencoders can be generalized to the case of inpainting and denoising, even when no clean training data is available. In particular, we show how neural networks can be trained to perform all of these…

图像与视频处理 · 电气工程与系统科学 2021-01-27 Rasika Karkare , Randy Paffenroth , Gunjan Mahindre

Deep neural networks can be effective means to automatically classify aerial images but is easy to overfit to the training data. It is critical for trained neural networks to be robust to variations that exist between training and test…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Jiayun Wang , Patrick Virtue , Stella X. Yu

Among other uses, neural networks are a powerful tool for solving deterministic and Bayesian inverse problems in real-time, where variational autoencoders, a specialized type of neural network, enable the Bayesian estimation of model…

机器学习 · 计算机科学 2025-09-25 Andrea Tonini , Luca Dede'

Denoising is the process of removing noise from sound signals while improving the quality and adequacy of the sound signals. Denoising sound has many applications in speech processing, sound events classification, and machine failure…

声音 · 计算机科学 2022-08-10 Thanh Tran , Sebastian Bader , Jan Lundgren

Deep learning has been widely adopted to tackle various code-based tasks by building deep code models based on a large amount of code snippets. While these deep code models have achieved great success, even state-of-the-art models suffer…

软件工程 · 计算机科学 2023-08-22 Zhao Tian , Junjie Chen , Xiangyu Zhang

The term blind denoising refers to the fact that the basis used for denoising is learnt from the noisy sample itself during denoising. Dictionary learning and transform learning based formulations for blind denoising are well known. But…

信号处理 · 电气工程与系统科学 2019-12-17 Angshul Majumdar

Generalization is one of the fundamental issues in machine learning. However, traditional techniques like uniform convergence may be unable to explain generalization under overparameterization. As alternative approaches, techniques based on…

机器学习 · 计算机科学 2022-03-22 Jiaye Teng , Jianhao Ma , Yang Yuan

The infrequent occurrence of overfitting in deep neural networks is perplexing: contrary to theoretical expectations, increasing model size often enhances performance in practice. But what if overfitting does occur, though restricted to…

机器学习 · 计算机科学 2025-01-08 Uri Stern , Tomer Yaacoby , Daphna Weinshall

Neural networks are powerful tools in various applications, and quantifying their uncertainty is crucial for reliable decision-making. In the deep learning field, the uncertainties are usually categorized into aleatoric (data) and epistemic…

机器学习 · 计算机科学 2023-12-21 Wang Zhang , Ziwen Ma , Subhro Das , Tsui-Wei Weng , Alexandre Megretski , Luca Daniel , Lam M. Nguyen

Deep neural network autoencoders are routinely used computationally for model reduction. They allow recognizing the intrinsic dimension of data that lie in a $k$-dimensional subset $K$ of an input Euclidean space $\mathbb{R}^n$. The…

机器学习 · 计算机科学 2024-02-20 Matthew D. Kvalheim , Eduardo D. Sontag

Autoencoders are frequently used for anomaly detection, both in the unsupervised and semi-supervised settings. They rely on the assumption that when trained using the reconstruction loss, they will be able to reconstruct normal data more…

机器学习 · 计算机科学 2025-01-24 Roel Bouman , Tom Heskes

There has been a lot of recent interest in designing neural network models to estimate a distribution from a set of examples. We introduce a simple modification for autoencoder neural networks that yields powerful generative models. Our…

机器学习 · 计算机科学 2015-06-08 Mathieu Germain , Karol Gregor , Iain Murray , Hugo Larochelle