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Generalized zero-shot learning recognizes inputs from both seen and unseen classes. Yet, existing methods tend to be biased towards the classes seen during training. In this paper, we strive to mitigate this bias. We propose a bias-aware…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 William Thong , Cees G. M. Snoek

We propose a highly data-efficient active learning framework for image classification. Our novel framework combines: (1) unsupervised representation learning of a Convolutional Neural Network and (2) the Gaussian Process (GP) method, in…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Heng Hao , Hankyu Moon , Sima Didari , Jae Oh Woo , Patrick Bangert

Trained on large datasets, deep learning (DL) can accurately classify videos into hundreds of diverse classes. However, video data is expensive to annotate. Zero-shot learning (ZSL) proposes one solution to this problem. ZSL trains a model…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Biagio Brattoli , Joseph Tighe , Fedor Zhdanov , Pietro Perona , Krzysztof Chalupka

Efficient continual learning techniques have been a topic of significant research over the last few years. A fundamental problem with such learning is severe degradation of performance on previously learned tasks, known also as catastrophic…

Machine Learning · Computer Science 2024-03-05 Tammuz Dubnov , Vishal Thengane

Zero-shot learning deals with the ability to recognize objects without any visual training sample. To counterbalance this lack of visual data, each class to recognize is associated with a semantic prototype that reflects the essential…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Yannick Le Cacheux , Hervé Le Borgne , Michel Crucianu

This paper presents a simple yet effective method for improving the performance of zero-shot learning (ZSL). ZSL classifies instances of unseen classes, from which no training data is available, by utilizing the attributes of the classes.…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Hiroki Ohashi , Mohammad Al-Naser , Sheraz Ahmed , Katsuyuki Nakamura , Takuto Sato , Andreas Dengel

This paper explores a simple method for improving the zero-shot learning abilities of language models. We show that instruction tuning -- finetuning language models on a collection of tasks described via instructions -- substantially…

Computation and Language · Computer Science 2022-02-10 Jason Wei , Maarten Bosma , Vincent Y. Zhao , Kelvin Guu , Adams Wei Yu , Brian Lester , Nan Du , Andrew M. Dai , Quoc V. Le

Real-world datasets are often highly class-imbalanced, which can adversely impact the performance of deep learning models. The majority of research on training neural networks under class imbalance has focused on specialized loss functions,…

Machine Learning · Computer Science 2023-12-06 Ravid Shwartz-Ziv , Micah Goldblum , Yucen Lily Li , C. Bayan Bruss , Andrew Gordon Wilson

Robust object recognition systems usually rely on powerful feature extraction mechanisms from a large number of real images. However, in many realistic applications, collecting sufficient images for ever-growing new classes is unattainable.…

Computer Vision and Pattern Recognition · Computer Science 2017-05-05 Yang Long , Li Liu , Ling Shao , Fumin Shen , Guiguang Ding , Jungong Han

Zero-shot learning methods typically assume that the new, unseen classes encountered during deployment come from the same distribution as the the classes in the training set. However, real-world scenarios often involve class distribution…

Machine Learning · Computer Science 2024-12-11 Yuli Slavutsky , Yuval Benjamini

Zero-Shot Learning (ZSL) aims to classify a test instance from an unseen category based on the training instances from seen categories, in which the gap between seen categories and unseen categories is generally bridged via visual-semantic…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Li Niu , Jianfei Cai , Ashok Veeraraghavan

The prediction of learning curves for Natural Language Processing (NLP) models enables informed decision-making to meet specific performance objectives, while reducing computational overhead and lowering the costs associated with dataset…

Machine Learning · Computer Science 2025-10-21 Viktoria Schram , Markus Hiller , Daniel Beck , Trevor Cohn

This paper introduces and studies zero-base generalized few-shot learning (zero-base GFSL), which is an extreme yet practical version of few-shot learning problem. Motivated by the cases where base data is not available due to privacy or…

Machine Learning · Computer Science 2022-12-01 Seong-Woong Kim , Dong-Wan Choi

We propose a novel Generalized Zero-Shot learning (GZSL) method that is agnostic to both unseen images and unseen semantic vectors during training. Prior works in this context propose to map high-dimensional visual features to the semantic…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Pengkai Zhu , Hanxiao Wang , Venkatesh Saligrama

Conventional zero-shot learning (ZSL) methods generally learn an embedding, e.g., visual-semantic mapping, to handle the unseen visual samples via an indirect manner. In this paper, we take the advantage of generative adversarial networks…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jingjing Li , Mengmeng Jin , Ke Lu , Zhengming Ding , Lei Zhu , Zi Huang

A well trained and generalized deep neural network (DNN) should be robust to both seen and unseen classes. However, the performance of most of the existing supervised DNN algorithms degrade for classes which are unseen in the training set.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Rohit Keshari , Richa Singh , Mayank Vatsa

Network intrusion detection is one of the most visible uses for Big Data analytics. One of the main problems in this application is the constant rise of new attacks. This scenario, characterized by the fact that not enough labeled examples…

Cryptography and Security · Computer Science 2016-08-01 Jorge Luis Rivero Pérez , Bernardete Ribeiro

Zero-shot detection (ZSD) is a challenging task where we aim to recognize and localize objects simultaneously, even when our model has not been trained with visual samples of a few target ("unseen") classes. Recently, methods employing…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Sandipan Sarma , Sushil Kumar , Arijit Sur

Considering the increasing concerns about data copyright and privacy issues, we present a novel Absolute Zero-Shot Learning (AZSL) paradigm, i.e., training a classifier with zero real data. The key innovation is to involve a teacher model…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Rui Gao , Fan Wan , Daniel Organisciak , Jiyao Pu , Junyan Wang , Haoran Duan , Peng Zhang , Xingsong Hou , Yang Long

Zero-shot learning (ZSL) aims to recognize unseen classes based on the knowledge of seen classes. Previous methods focused on learning direct embeddings from global features to the semantic space in hope of knowledge transfer from seen…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Ziyang Wang , Yunhao Gou , Jingjing Li , Yu Zhang , Yang Yang