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Related papers: Generalized Zero-Shot Learning Via Over-Complete D…

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Generalized Zero-Shot Learning (GZSL) targets recognizing new categories by learning transferable image representations. Existing methods find that, by aligning image representations with corresponding semantic labels, the semantic-aligned…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Chaoqun Wang , Xuejin Chen , Shaobo Min , Xiaoyan Sun , Houqiang Li

Generalized zero-shot learning (GZSL) aims to recognize objects from both seen and unseen classes, when only the labeled examples from seen classes are provided. Recent feature generation methods learn a generative model that can synthesize…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Zongyan Han , Zhenyong Fu , Shuo Chen , Jian Yang

In zero-shot learning (ZSL) community, it is generally recognized that transductive learning performs better than inductive one as the unseen-class samples are also used in its training stage. How to generate pseudo labels for unseen-class…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Bo Liu , Lihua Hu , Qiulei Dong , Zhanyi Hu

Open-World Compositional Zero-Shot Learning (OW-CZSL) aims to recognize new compositions of seen attributes and objects. In OW-CZSL, methods built on the conventional closed-world setting degrade severely due to the unconstrained OW test…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Yun Li , Zhe Liu , Saurav Jha , Sally Cripps , Lina Yao

Convolutional Neural Networks (CNNs) have shown to be powerful medical image segmentation models. In this study, we address some of the main unresolved issues regarding these models. Specifically, training of these models on small medical…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Davood Karimi , Ali Gholipour

Deep learning models have the ability to extract rich knowledge from large-scale datasets. However, the sharing of data has become increasingly challenging due to concerns regarding data copyright and privacy. Consequently, this hampers the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Bowen Tang , Long Yan , Jing Zhang , Qian Yu , Lu Sheng , Dong Xu

Zero-shot learning (ZSL) has been shown to be a promising approach to generalizing a model to categories unseen during training by leveraging class attributes, but challenges still remain. Recently, methods using generative models to combat…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Vinay Kumar Verma , Kevin Liang , Nikhil Mehta , Lawrence Carin

In Open-set Supervised Anomaly Detection (OSAD), the existing methods typically generate pseudo anomalies to compensate for the scarcity of observed anomaly samples, while overlooking critical priors of normal samples, leading to less…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Fuyun Wang , Tong Zhang , Yuanzhi Wang , Yide Qiu , Xin Liu , Xu Guo , Zhen Cui

Zero-shot Learning (ZSL) enables classifiers to recognize classes unseen during training, commonly via generative two stage methods: (1) learn visual semantic correlations from seen classes; (2) synthesize unseen class features from…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Zihan Ye , Shreyank N Gowda , Kaile Du , Weijian Luo , Ling Shao

The training data distribution is often biased towards objects in certain orientations and illumination conditions. While humans have a remarkable capability of recognizing objects in out-of-distribution (OoD) orientations and…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Akira Sakai , Taro Sunagawa , Spandan Madan , Kanata Suzuki , Takashi Katoh , Hiromichi Kobashi , Hanspeter Pfister , Pawan Sinha , Xavier Boix , Tomotake Sasaki

Current approaches in Generalized Zero-Shot Learning (GZSL) are built upon base models which consider only a single class attribute vector representation over the entire image. This is an oversimplification of the process of novel category…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Joshua Feinglass , Jayaraman J. Thiagarajan , Rushil Anirudh , T. S. Jayram , Yezhou Yang

Synthesizing pseudo samples is currently the most effective way to solve the Generalized Zero-Shot Learning (GZSL) problem. Most models achieve competitive performance but still suffer from two problems: (1) Feature confounding, the overall…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Yaogong Feng , Xiaowen Huang , Pengbo Yang , Jian Yu , Jitao Sang

Out-of-Distribution (OOD) detection is critical to AI reliability and safety, yet in many practical settings, only a limited amount of training data is available. Bayesian Neural Networks (BNNs) are a promising class of model on which to…

Machine Learning · Computer Science 2026-02-12 Kevin Raina , Tanya Schmah

We propose a comprehensive end-to-end pipeline for Twitter hashtags recommendation system including data collection, supervised training setting and zero shot training setting. In the supervised training setting, we have proposed and…

Information Retrieval · Computer Science 2019-06-13 Abhay Kumar , Nishant Jain , Suraj Tripathi , Chirag Singh

Zero-shot learning, the task of learning to recognize new classes not seen during training, has received considerable attention in the case of 2D image classification. However despite the increasing ubiquity of 3D sensors, the corresponding…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Ali Cheraghian , Shafin Rahman , Dylan Campbell , Lars Petersson

Out-of-distribution (OOD) detection has emerged as a popular technique to enhance the reliability of machine learning models by identifying unexpected inputs from unknown classes. Recent progress in pre-trained vision-language models (VLMs)…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yuanwei Hu , Bo Peng , Yadan Luo , Zhen Fang , Ling Chen , Jie Lu

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

Generalization to unseen data is a key desideratum for deep networks, but its relation to classification accuracy is unclear. Using a minimalist vision dataset and a measure of generalizability, we show that popular networks, from deep…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Evan Gerritz , Luciano Dyballa , Steven W. Zucker

We evaluate the out-of-distribution (OOD) detection performance of self-supervised learning (SSL) techniques with a new evaluation framework. Unlike the previous evaluation methods, the proposed framework adjusts the distance of OOD samples…

Machine Learning · Computer Science 2021-10-19 Jeonghoon Park , Kyungmin Jo , Daehoon Gwak , Jimin Hong , Jaegul Choo , Edward Choi

In open-set semi-supervised learning (OSSL), we consider unlabeled datasets that may contain unknown classes. Existing OSSL methods often use the softmax confidence for classifying data as in-distribution (ID) or out-of-distribution (OOD).…

Machine Learning · Computer Science 2026-01-26 Erik Wallin , Lennart Svensson , Fredrik Kahl , Lars Hammarstrand