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Deep Neural Networks are powerful models that attained remarkable results on a variety of tasks. These models are shown to be extremely efficient when training and test data are drawn from the same distribution. However, it is not clear how…

Machine Learning · Statistics 2019-01-11 Gabi Shalev , Yossi Adi , Joseph Keshet

Out-of-distribution (OoD) detection is a natural downstream task for deep generative models, due to their ability to learn the input probability distribution. There are mainly two classes of approaches for OoD detection using deep…

Machine Learning · Computer Science 2019-07-11 Yujia Huang , Sihui Dai , Tan Nguyen , Richard G. Baraniuk , Anima Anandkumar

Today's deep models are often unable to detect inputs which do not belong to the training distribution. This gives rise to confident incorrect predictions which could lead to devastating consequences in many important application fields…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Matej Grcić , Petra Bevandić , Siniša Šegvić

The discriminative approach to classification using deep neural networks has become the de-facto standard in various fields. Complementing recent reservations about safety against adversarial examples, we show that conventional…

Machine Learning · Computer Science 2018-07-25 William Wang , Angelina Wang , Aviv Tamar , Xi Chen , Pieter Abbeel

Discriminatively trained neural classifiers can be trusted, only when the input data comes from the training distribution (in-distribution). Therefore, detecting out-of-distribution (OOD) samples is very important to avoid classification…

Machine Learning · Computer Science 2019-04-30 Sachin Vernekar , Ashish Gaurav , Taylor Denouden , Buu Phan , Vahdat Abdelzad , Rick Salay , Krzysztof Czarnecki

Despite rapid advances in AI, safety remains the main bottleneck to deploying machine-learning systems. A critical safety component is out-of-distribution detection: given an input, decide whether it comes from the same distribution as the…

Machine Learning · Computer Science 2025-11-06 Joonas Järve , Karl Kaspar Haavel , Meelis Kull

Despite achieving enormous success in predictive accuracy for visual classification problems, deep neural networks (DNNs) suffer from providing overconfident probabilities on out-of-distribution (OOD) data. Yet, accurate uncertainty…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Zongyao Lyu , Nolan B. Gutierrez , William J. Beksi

The lack of well-calibrated confidence estimates makes neural networks inadequate in safety-critical domains such as autonomous driving or healthcare. In these settings, having the ability to abstain from making a prediction on…

Machine Learning · Computer Science 2022-07-27 Adam Dziedzic , Stephan Rabanser , Mohammad Yaghini , Armin Ale , Murat A. Erdogdu , Nicolas Papernot

In real-world scenarios classification models are often required to perform robustly when predicting samples belonging to classes that have not appeared during its training stage. Open Set Recognition addresses this issue by devising models…

Machine Learning · Computer Science 2024-01-08 Marcos Barcina-Blanco , Jesus L. Lobo , Pablo Garcia-Bringas , Javier Del Ser

Deep neural networks suffer from the overconfidence issue in the open world, meaning that classifiers could yield confident, incorrect predictions for out-of-distribution (OOD) samples. Thus, it is an urgent and challenging task to detect…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Qiuyu Zhu , Guohui Zheng , Yingying Yan

Unknown examples that are unseen during training often appear in real-world computer vision tasks, and an intelligent self-learning system should be able to differentiate between known and unknown examples. Open set recognition, which…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Jaeyeon Jang , Chang Ouk Kim

We consider the problem of detecting out-of-distribution (OOD) samples in deep reinforcement learning. In a value based reinforcement learning setting, we propose to use uncertainty estimation techniques directly on the agent's value…

Machine Learning · Computer Science 2019-01-09 Andreas Sedlmeier , Thomas Gabor , Thomy Phan , Lenz Belzner , Claudia Linnhoff-Popien

A grand challenge in machine learning is the development of computational algorithms that match or outperform humans in perceptual inference tasks that are complicated by nuisance variation. For instance, visual object recognition involves…

Machine Learning · Statistics 2015-04-03 Ankit B. Patel , Tan Nguyen , Richard G. Baraniuk

This paper addresses the task of set prediction using deep feed-forward neural networks. A set is a collection of elements which is invariant under permutation and the size of a set is not fixed in advance. Many real-world problems, such as…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Hamid Rezatofighi , Tianyu Zhu , Roman Kaskman , Farbod T. Motlagh , Qinfeng Shi , Anton Milan , Daniel Cremers , Laura Leal-Taixé , Ian Reid

Deep convolutional models often produce inadequate predictions for inputs foreign to the training distribution. Consequently, the problem of detecting outlier images has recently been receiving a lot of attention. Unlike most previous work,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Petra Bevandić , Ivan Krešo , Marin Oršić , Siniša Šegvić

Many real-world problems, e.g. object detection, have outputs that are naturally expressed as sets of entities. This creates a challenge for traditional deep neural networks which naturally deal with structured outputs such as vectors,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 S. Hamid Rezatofighi , Roman Kaskman , Farbod T. Motlagh , Qinfeng Shi , Daniel Cremers , Laura Leal-Taixé , Ian Reid

Commonly used AI networks are very self-confident in their predictions, even when the evidence for a certain decision is dubious. The investigation of a deep learning model output is pivotal for understanding its decision processes and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Damian Matuszewski , Ida-Maria Sintorn

Popular approaches for quantifying predictive uncertainty in deep neural networks often involve distributions over weights or multiple models, for instance via Markov Chain sampling, ensembling, or Monte Carlo dropout. These techniques…

Machine Learning · Computer Science 2023-03-08 Dennis Ulmer , Christian Hardmeier , Jes Frellsen

Deep neural networks are powerful tools to detect hidden patterns in data and leverage them to make predictions, but they are not designed to understand uncertainty and estimate reliable probabilities. In particular, they tend to be…

Machine Learning · Statistics 2022-11-10 Bat-Sheva Einbinder , Yaniv Romano , Matteo Sesia , Yanfei Zhou

The increased success of Deep Learning (DL) has recently sparked large-scale deployment of DL models in many diverse industry segments. Yet, a crucial weakness of supervised model is the inherent difficulty in handling out-of-distribution…

Machine Learning · Computer Science 2021-07-15 Lixuan Yang , Dario Rossi