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We introduce a novel uncertainty estimation for classification tasks for Bayesian convolutional neural networks with variational inference. By normalizing the output of a Softplus function in the final layer, we estimate aleatoric and…

机器学习 · 计算机科学 2019-05-15 Kumar Shridhar , Felix Laumann , Marcus Liwicki

Estimating uncertainty from deep neural networks is a widely used approach for detecting out-of-distribution (OoD) samples, which typically exhibit high predictive uncertainty. However, conventional methods such as Monte Carlo (MC) Dropout…

计算机视觉与模式识别 · 计算机科学 2025-07-25 JinYoung Kim , DaeUng Jo , Kimin Yun , Jeonghyo Song , Youngjoon Yoo

Uncertainty estimation for machine learning models is of high importance in many scenarios such as constructing the confidence intervals for model predictions and detection of out-of-distribution or adversarially generated points. In this…

机器学习 · 计算机科学 2022-05-06 Kirill Fedyanin , Evgenii Tsymbalov , Maxim Panov

Uncertainty estimation is essential to make neural networks trustworthy in real-world applications. Extensive research efforts have been made to quantify and reduce predictive uncertainty. However, most existing works are designed for…

机器学习 · 计算机科学 2022-10-07 Myong Chol Jung , He Zhao , Joanna Dipnall , Belinda Gabbe , Lan Du

Deep learning has emerged as a promising paradigm to give access to highly accurate predictions of molecular and materials properties. A common short-coming shared by current approaches, however, is that neural networks only give point…

计算物理 · 物理学 2023-05-10 Albert Zhu , Simon Batzner , Albert Musaelian , Boris Kozinsky

In this work we aim to obtain computationally-efficient uncertainty estimates with deep networks. For this, we propose a modified knowledge distillation procedure that achieves state-of-the-art uncertainty estimates both for in and…

机器学习 · 计算机科学 2019-06-14 Erik Englesson , Hossein Azizpour

Uncertainty estimation aims to evaluate the confidence of a trained deep neural network. However, existing uncertainty estimation approaches rely on low-dimensional distributional assumptions and thus suffer from the high dimensionality of…

机器学习 · 计算机科学 2023-10-26 Tsai Hor Chan , Kin Wai Lau , Jiajun Shen , Guosheng Yin , Lequan Yu

Precise estimation of uncertainty in predictions for AI systems is a critical factor in ensuring trust and safety. Deep neural networks trained with a conventional method are prone to over-confident predictions. In contrast to Bayesian…

机器学习 · 计算机科学 2021-01-05 Theodoros Tsiligkaridis

Uncertainty quantification is crucial for building reliable and trustable machine learning systems. We propose to estimate uncertainty in recurrent neural networks (RNNs) via stochastic discrete state transitions over recurrent timesteps.…

机器学习 · 计算机科学 2020-11-25 Cheng Wang , Carolin Lawrence , Mathias Niepert

State-of-the-art Deep Neural Networks can be easily fooled into providing incorrect high-confidence predictions for images with small amounts of adversarial noise. Does this expose a flaw with deep neural networks, or do we simply need a…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Akshayvarun Subramanya , Suraj Srinivas , R. Venkatesh Babu

Estimating the uncertainty in deep neural network predictions is crucial for many real-world applications. A common approach to model uncertainty is to choose a parametric distribution and fit the data to it using maximum likelihood…

机器学习 · 计算机科学 2022-11-28 Ali Harakeh , Jordan Hu , Naiqing Guan , Steven L. Waslander , Liam Paull

Uncertainty estimation is a key component in any deployed machine learning system. One way to evaluate uncertainty estimation is using "out-of-distribution" (OoD) detection, that is, distinguishing between the training data distribution and…

机器学习 · 计算机科学 2021-12-03 Haiwen Huang , Joost van Amersfoort , Yarin Gal

Uncertainty quantification is an important part of many performance critical applications. This paper provides a simple alternative to existing approaches such as ensemble learning and bayesian neural networks. By directly modeling the loss…

机器学习 · 计算机科学 2024-08-28 Yi Hung Lim

In this paper the application of uncertainty modeling to convolutional neural networks is evaluated. A novel method for adjusting the network's predictions based on uncertainty information is introduced. This allows the network to be either…

计算机视觉与模式识别 · 计算机科学 2016-12-23 Rene Grzeszick , Sebastian Sudholt , Gernot A. Fink

Speech enhancement in the time-frequency domain is often performed by estimating a multiplicative mask to extract clean speech. However, most neural network-based methods perform point estimation, i.e., their output consists of a single…

音频与语音处理 · 电气工程与系统科学 2022-05-06 Huajian Fang , Tal Peer , Stefan Wermter , Timo Gerkmann

Deep Ensembles, as a type of Bayesian Neural Networks, can be used to estimate uncertainty on the prediction of multiple neural networks by collecting votes from each network and computing the difference in those predictions. In this paper,…

机器学习 · 计算机科学 2023-07-10 Illia Oleksiienko , Alexandros Iosifidis

Out-of-distribution (OOD) detection approaches usually present special requirements (e.g., hyperparameter validation, collection of outlier data) and produce side effects (e.g., classification accuracy drop, slower energy-inefficient…

机器学习 · 计算机科学 2021-09-28 David Macêdo , Tsang Ing Ren , Cleber Zanchettin , Adriano L. I. Oliveira , Teresa Ludermir

Accurate estimation of predictive uncertainty in modern neural networks is critical to achieve well calibrated predictions and detect out-of-distribution (OOD) inputs. The most promising approaches have been predominantly focused on…

机器学习 · 计算机科学 2020-07-13 Shreyas Padhy , Zachary Nado , Jie Ren , Jeremiah Liu , Jasper Snoek , Balaji Lakshminarayanan

Uncertainty is a key feature of any machine learning model and is particularly important in neural networks, which tend to be overconfident. This overconfidence is worrying under distribution shifts, where the model performance silently…

机器学习 · 计算机科学 2024-03-18 Arthur Thuy , Dries F. Benoit

Convolutional neural network (CNN) has achieved unprecedented success in image super-resolution tasks in recent years. However, the network's performance depends on the distribution of the training sets and degrades on out-of-distribution…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Aupendu Kar , Prabir Kumar Biswas