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Training robust deep learning models is crucial in Earth Observation, where globally deployed models often face distribution shifts that degrade performance, especially in low-data regions. Out-of-distribution (OOD) detection addresses this…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Burak Ekim , Girmaw Abebe Tadesse , Caleb Robinson , Gilles Hacheme , Michael Schmitt , Rahul Dodhia , Juan M. Lavista Ferres

Standard recognition approaches are unable to deal with novel categories at test time. Their overconfidence on the known classes makes the predictions unreliable for safety-critical applications such as healthcare or autonomous driving.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Lorenzo Li Lu , Giulia D'Ascenzi , Francesco Cappio Borlino , Tatiana Tommasi

One of the challenges for neural networks in real-life applications is the overconfident errors these models make when the data is not from the original training distribution. Addressing this issue is known as Out-of-Distribution (OOD)…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Sina Sharifi , Taha Entesari , Bardia Safaei , Vishal M. Patel , Mahyar Fazlyab

Out-of-distribution (OOD) detection aims to discern outliers from the intended data distribution, which is crucial to maintaining high reliability and a good user experience. Most recent studies in OOD detection utilize the information from…

Computation and Language · Computer Science 2022-10-21 Hyunsoo Cho , Choonghyun Park , Jaewook Kang , Kang Min Yoo , Taeuk Kim , Sang-goo Lee

Deep neural networks (DNNs), especially convolutional neural networks, have achieved superior performance on image classification tasks. However, such performance is only guaranteed if the input to a trained model is similar to the training…

Computer Vision and Pattern Recognition · Computer Science 2021-01-28 Liang Liang , Linhai Ma , Linchen Qian , Jiasong Chen

Out-of-distribution (OOD) generalization is critical for machine learning models deployed in the real world. However, achieving this can be fundamentally challenging, as it requires the ability to learn invariant features across different…

Machine Learning · Computer Science 2024-11-05 Haoyue Bai , Yifei Ming , Julian Katz-Samuels , Yixuan Li

Few-shot out-of-distribution (OOD) detection aims to detect OOD images from unseen classes with only a few labeled in-distribution (ID) images. To detect OOD images and classify ID samples, prior methods have been proposed by regarding the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Baoshun Tong , Kaiyu Song , Hanjiang Lai

This paper studies the distributed optimization problem with possibly nonidentical local constraints, where its global objective function is composed of $N$ convex functions. The aim is to solve the considered optimization problem in a…

Optimization and Control · Mathematics 2022-08-26 Hongzhe Liu , Wenwu Yu , Guanghui Wen , Wei Xing Zheng

Detecting Out-of-Domain (OOD) or unknown intents from user queries is essential in a task-oriented dialog system. A key challenge of OOD detection is to learn discriminative semantic features. Traditional cross-entropy loss only focuses on…

Computation and Language · Computer Science 2021-06-01 Zhiyuan Zeng , Keqing He , Yuanmeng Yan , Zijun Liu , Yanan Wu , Hong Xu , Huixing Jiang , Weiran Xu

Moving beyond testing on in-distribution data works on Out-of-Distribution (OOD) detection have recently increased in popularity. A recent attempt to categorize OOD data introduces the concept of near and far OOD detection. Specifically,…

Machine Learning · Computer Science 2021-11-23 Junjiao Tian , Yen-Change Hsu , Yilin Shen , Hongxia Jin , Zsolt Kira

This thesis explores a particular class of distributed optimization methods for various separable resource allocation problems, which are of high interest in a wide array of multi-agent settings. A distinctly motivating application for this…

Systems and Control · Electrical Eng. & Systems 2021-03-26 Tor Anderson

Quality-Diversity (QD) algorithms constitute a branch of optimization that is concerned with discovering a diverse and high-quality set of solutions to an optimization problem. Current QD methods commonly maintain diversity by dividing the…

Machine Learning · Computer Science 2026-03-05 Saeed Hedayatian , Stefanos Nikolaidis

Reliable out-of-distribution (OOD) detection is important for safe deployment of deep learning models in fetal ultrasound amidst heterogeneous image characteristics and clinical settings. OOD detection relies on estimating a classification…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Chun Kit Wong , Anders N. Christensen , Cosmin I. Bercea , Julia A. Schnabel , Martin G. Tolsgaard , Aasa Feragen

The ability to detect objects that are not prevalent in the training set is a critical capability in many 3D applications, including autonomous driving. Machine learning methods for object recognition often assume that all object categories…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Zizhao Li , Xueyang Kang , Joseph West , Kourosh Khoshelham

LiDAR-based perception is critical for autonomous driving due to its robustness to poor lighting and visibility conditions. Yet, current models operate under the closed-set assumption and often fail to recognize unexpected…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Zizhao Li , Zhengkang Xiang , Jiayang Ao , Feng Liu , Joseph West , Kourosh Khoshelham

Deep neural networks have shown promising results in disease detection and classification using medical image data. However, they still suffer from the challenges of handling real-world scenarios especially reliably detecting…

Image and Video Processing · Electrical Eng. & Systems 2021-11-03 Muhammad Zaida , Shafaqat Ali , Mohsen Ali , Sarfaraz Hussein , Asma Saadia , Waqas Sultani

In the dynamic realms of machine learning and deep learning, the robustness and reliability of models are paramount, especially in critical real-world applications. A fundamental challenge in this sphere is managing Out-of-Distribution…

Machine Learning · Computer Science 2024-03-07 Yingrui Ji , Yao Zhu , Zhigang Li , Jiansheng Chen , Yunlong Kong , Jingbo Chen

Distribution shifts on graphs -- the discrepancies in data distribution between training and employing a graph machine learning model -- are ubiquitous and often unavoidable in real-world scenarios. These shifts may severely deteriorate…

Machine Learning · Computer Science 2025-03-31 Kexin Zhang , Shuhan Liu , Song Wang , Weili Shi , Chen Chen , Pan Li , Sheng Li , Jundong Li , Kaize Ding

Few-Shot classification aims at solving problems that only a few samples are available in the training process. Due to the lack of samples, researchers generally employ a set of training tasks from other domains to assist the target task,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Renjie Xu , Xinghao Yang , Baodi Liu , Kai Zhang , Weifeng Liu

Out-of-Distribution (OOD) detection is a crucial problem for the safe deployment of machine learning models identifying samples that fall outside of the training distribution, i.e. in-distribution data (ID). Most OOD works focus on the…

Machine Learning · Computer Science 2023-10-04 Soroush Seifi , Daniel Olmeda Reino , Nikolay Chumerin , Rahaf Aljundi