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Out-of-Distribution (OOD) detection is crucial for the secure deployment of machine learning models, and prototype-based learning methods are among the mainstream strategies for achieving OOD detection. Existing prototype-based learning…

Machine Learning · Computer Science 2026-03-18 Ningkang Peng , Qianfeng Yu , Xiaoqian Peng , Linjing Qian , Yafei Liu , Canran Xiao , Xinyu Lu , Tingyu Lu , Zhichao Zheng , Yanhui Gu

The development and evaluation of graph neural networks (GNNs) generally follow the independent and identically distributed (i.i.d.) assumption. Yet this assumption is often untenable in practice due to the uncontrollable data generation…

Machine Learning · Computer Science 2025-03-06 Yiming Xu , Bin Shi , Zhen Peng , Huixiang Liu , Bo Dong , Chen Chen

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

We present a new "learning-to-learn"-type approach that enables rapid learning of concepts from small-to-medium sized training sets and is primarily designed for web-initialized image retrieval. At the core of our approach is a deep…

Computer Vision and Pattern Recognition · Computer Science 2017-10-30 A. Vakhitov , A. Kuzmin , V. Lempitsky

Unsupervised out-of-distribution (OOD) detection aims to identify out-of-domain data by learning only from unlabeled In-Distribution (ID) training samples, which is crucial for developing a safe real-world machine learning system. Current…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Ying Yang , De Cheng , Chaowei Fang , Yubiao Wang , Changzhe Jiao , Lechao Cheng , Nannan Wang

Prototype-based meta-learning has emerged as a powerful technique for addressing few-shot learning challenges. However, estimating a deterministic prototype using a simple average function from a limited number of examples remains a fragile…

Machine Learning · Computer Science 2023-11-08 Yingjun Du , Zehao Xiao , Shengcai Liao , Cees Snoek

A wide range of applications require learning image generation models whose latent space effectively captures the high-level factors of variation present in the data distribution. The extent to which a model represents such variations…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Avinandan Bose , Aniket Das , Yatin Dandi , Piyush Rai

Automated diagnosis with artificial intelligence has emerged as a promising area in the realm of medical imaging, while the interpretability of the introduced deep neural networks still remains an urgent concern. Although contemporary…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Binghua Li , Jie Mao , Zhe Sun , Chao Li , Qibin Zhao , Toshihisa Tanaka

Recent advancements in the realm of deep generative models focus on generating samples that satisfy multiple desired properties. However, prevalent approaches optimize these property functions independently, thus omitting the trade-offs…

Machine Learning · Computer Science 2024-07-08 Yinghua Yao , Yuangang Pan , Jing Li , Ivor Tsang , Xin Yao

Out-of-distribution (OOD) detection is a critical task for the safe deployment of machine learning models in the real world. Existing prototype-based representation learning methods have demonstrated exceptional performance. Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Ningkang Peng , JiuTao Zhou , Yuhao Zhang , Xiaoqian Peng , Qianfeng Yu , Linjing Qian , Tingyu Lu , Yi Chen , Yanhui Gu

Deep neural networks have attained remarkable performance when applied to data that comes from the same distribution as that of the training set, but can significantly degrade otherwise. Therefore, detecting whether an example is…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Yen-Chang Hsu , Yilin Shen , Hongxia Jin , Zsolt Kira

One of the early weaknesses identified in deep neural networks trained for image classification tasks was their inability to provide low confidence predictions on out-of-distribution (OOD) data that was significantly different from the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Evelyn Mannix , Howard Bondell

In order for robots to safely navigate in unseen scenarios using learning-based methods, it is important to accurately detect out-of-training-distribution (OoD) situations online. Recently, Gaussian process state-space models (GPSSMs) have…

Robotics · Computer Science 2023-09-19 Alonso Marco , Elias Morley , Claire J. Tomlin

Prototypical part networks offer interpretable alternatives to black-box deep learning models by learning visual prototypes for classification. This work provides a comprehensive analysis of prototype formulations, comparing point-based and…

Machine Learning · Computer Science 2026-01-08 Maximilian Xiling Li , Korbinian Franz Rudolf , Paul Mattes , Nils Blank , Rudolf Lioutikov

Existing prompt learning methods have shown certain capabilities in Out-of-Distribution (OOD) detection, but the lack of OOD images in the target dataset in their training can lead to mismatches between OOD images and In-Distribution (ID)…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Tianqi Li , Guansong Pang , Xiao Bai , Wenjun Miao , Jin Zheng

We propose a novel architecture for $k$-shot classification on the Omniglot dataset. Building on prototypical networks, we extend their architecture to what we call Gaussian prototypical networks. Prototypical networks learn a map between…

Machine Learning · Computer Science 2017-08-10 Stanislav Fort

3D Gaussian Splatting (3DGS) has demonstrated impressive novel view synthesis performance. While conventional methods require per-scene optimization, more recently several feed-forward methods have been proposed to generate pixel-aligned…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Shengjun Zhang , Xin Fei , Fangfu Liu , Haixu Song , Yueqi Duan

Deep learning provides a powerful tool for machine perception when the observations resemble the training data. However, real-world robotic systems must react intelligently to their observations even in unexpected circumstances. This…

Machine Learning · Computer Science 2018-12-31 Rowan McAllister , Gregory Kahn , Jeff Clune , Sergey Levine

Out-of-distribution (OOD) detection is a crucial task for ensuring the reliability and safety of deep learning. Currently, discriminator models outperform other methods in this regard. However, the feature extraction process used by…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Luping Liu , Yi Ren , Xize Cheng , Rongjie Huang , Chongxuan Li , Zhou Zhao

Neural combinatorial optimization (NCO) is a promising learning-based approach to solving various vehicle routing problems without much manual algorithm design. However, the current NCO methods mainly focus on the in-distribution…

Machine Learning · Computer Science 2024-05-22 Fei Liu , Xi Lin , Weiduo Liao , Zhenkun Wang , Qingfu Zhang , Xialiang Tong , Mingxuan Yuan