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Related papers: A Bayesian Approach to OOD Robustness in Image Cla…

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Generalizing to out-of-distribution (OOD) data or unseen domain, termed OOD generalization, still lacks appropriate theoretical guarantees. Canonical OOD bounds focus on different distance measurements between source and target domains but…

Machine Learning · Computer Science 2024-03-12 Yingtian Zou , Kenji Kawaguchi , Yingnan Liu , Jiashuo Liu , Mong-Li Lee , Wynne Hsu

Learning robust vision models that perform well in out-of-distribution (OOD) situations is an important task for model deployment in real-world settings. Despite extensive research in this field, many proposed methods have only shown minor…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Gyuseong Lee , Wooseok Jang , Jinhyeon Kim , Jaewoo Jung , Seungryong Kim

We present a principled approach for detecting out-of-distribution (OOD) and adversarial samples in deep neural networks. Our approach consists in modeling the outputs of the various layers (deep features) with parametric probability…

Machine Learning · Statistics 2019-09-27 Nilesh A. Ahuja , Ibrahima Ndiour , Trushant Kalyanpur , Omesh Tickoo

In this study, we propose a three-stage training approach of neural networks for both photometric redshift estimation of galaxies and detection of out-of-distribution (OOD) objects. Our approach comprises supervised and unsupervised…

Instrumentation and Methods for Astrophysics · Physics 2022-02-04 Joongoo Lee , Min-Su Shin

Probabilistic models often use neural networks to control their predictive uncertainty. However, when making out-of-distribution (OOD)} predictions, the often-uncontrollable extrapolation properties of neural networks yield poor uncertainty…

Machine Learning · Computer Science 2022-01-19 Pierre Segonne , Yevgen Zainchkovskyy , Søren Hauberg

The Bayesian inference approach is widely used to tackle inverse problems due to its versatile and natural ability to handle ill-posedness. However, it often faces challenges when dealing with situations involving continuous fields or…

Numerical Analysis · Mathematics 2023-08-28 Xinchao Jiang , Xin Wang , Ziming Wen , Hu Wang

By design, discriminatively trained neural network classifiers produce reliable predictions only for in-distribution samples. For their real-world deployments, detecting out-of-distribution (OOD) samples is essential. Assuming OOD to be…

Machine Learning · Computer Science 2019-10-11 Sachin Vernekar , Ashish Gaurav , Vahdat Abdelzad , Taylor Denouden , Rick Salay , Krzysztof Czarnecki

Optical flow estimation is an essential step for many real-world computer vision tasks. Existing deep networks have achieved satisfactory results by mostly employing a pyramidal coarse-to-fine paradigm, where a key process is to adopt…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Lingtong Kong , Xiaohang Yang , Jie Yang

Handling out-of-distribution (OOD) samples has become a major stake in the real-world deployment of machine learning systems. This work explores the use of self-supervised contrastive learning to the simultaneous detection of two types of…

Machine Learning · Computer Science 2024-12-11 Charles Guille-Escuret , Pau Rodriguez , David Vazquez , Ioannis Mitliagkas , Joao Monteiro

The ability to detect unfamiliar or unexpected images is essential for safe deployment of computer vision systems. In the context of classification, the task of detecting images outside of a model's training domain is known as…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Galadrielle Humblot-Renaux , Sergio Escalera , Thomas B. Moeslund

Recent advances in deep learning architectures have enabled efficient and accurate classification of pre-trained targets in Synthetic Aperture Radar (SAR) images. Nevertheless, the presence of unknown targets in real battlefield scenarios…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Kyung-hwan Lee , Kyung-tae Kim

Out-of-distribution (OOD) detection has received much attention lately due to its importance in the safe deployment of neural networks. One of the key challenges is that models lack supervision signals from unknown data, and as a result,…

Machine Learning · Computer Science 2022-05-11 Xuefeng Du , Zhaoning Wang , Mu Cai , Yixuan Li

Nowadays, the enhanced capabilities of in-expensive imaging devices have led to a tremendous increase in the acquisition and sharing of multimedia content over the Internet. Despite advances in imaging sensor technology, annoying conditions…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Sankaraganesh Jonna , Moushumi Medhi , Rajiv Ranjan Sahay

Generalized Zero-Shot Learning (GZSL) is a challenging task requiring accurate classification of both seen and unseen classes. Within this domain, Audio-visual GZSL emerges as an extremely exciting yet difficult task, given the inclusion of…

Multimedia · Computer Science 2025-09-15 Liuyuan Wen

Convolutional Neural Networks (CNNs) have brought revolutionary advances to many research areas due to their capacity of learning from raw data. However, when those methods are applied to non-controllable environments, many different…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Lucas Fernando Alvarenga e Silva , Nicu Sebe , Jurandy Almeida

Software vulnerabilities (SVs) have become a common, serious, and crucial concern to safety-critical security systems. That leads to significant progress in the use of AI-based methods for software vulnerability detection (SVD). In…

Cryptography and Security · Computer Science 2024-04-16 Van Nguyen , Xingliang Yuan , Tingmin Wu , Surya Nepal , Marthie Grobler , Carsten Rudolph

$\mathbf{Purpose}$: To use artificial intelligence (AI) to: (1) exploit biomechanical knowledge of the optic nerve head (ONH) from a relatively large population; (2) assess ONH robustness from a single optical coherence tomography (OCT)…

Image and Video Processing · Electrical Eng. & Systems 2022-06-13 Fabian A. Braeu , Thanadet Chuangsuwanich , Tin A. Tun , Alexandre H. Thiery , Tin Aung , George Barbastathis , Michaël J. A. Girard

In real world scenarios, out-of-distribution (OOD) datasets may have a large distributional shift from training datasets. This phenomena generally occurs when a trained classifier is deployed on varying dynamic environments, which causes a…

Image and Video Processing · Electrical Eng. & Systems 2022-09-08 Harshita Boonlia , Tanmoy Dam , Md Meftahul Ferdaus , Sreenatha G. Anavatti , Ankan Mullick

For optical coherence tomography angiography (OCTA) images, a limited scanning rate leads to a trade-off between field-of-view (FOV) and imaging resolution. Although larger FOV images may reveal more parafoveal vascular lesions, their…

Image and Video Processing · Electrical Eng. & Systems 2024-12-06 Weiwen Zhang , Dawei Yang , Haoxuan Che , An Ran Ran , Carol Y. Cheung , Hao Chen

Real-world observational data often contain existing or emerging heterogeneous subpopulations that deviate from global patterns. The majority of models tend to overlook these underrepresented groups, leading to inaccurate or even harmful…

Machine Learning · Computer Science 2025-06-13 Tina Behrouzi , Sana Tonekaboni , Rahul G. Krishnan , Anna Goldenberg