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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

Contrastive learning is a well-established paradigm in representation learning. The standard framework of contrastive learning minimizes the distance between "similar" instances and maximizes the distance between dissimilar ones in the…

Machine Learning · Computer Science 2025-02-06 Naghmeh Ghanooni , Barbod Pajoum , Harshit Rawal , Sophie Fellenz , Vo Nguyen Le Duy , Marius Kloft

Transductive Zero-shot learning (ZSL) targets to recognize the unseen categories by aligning the visual and semantic information in a joint embedding space. There exist four kinds of domain biases in Transductive ZSL, i.e., visual bias and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Hantao Yao , Shaobo Min , Yongdong Zhang , Changsheng Xu

3D Gaussian Splatting (3DGS) and Neural Radiance Fields (NeRF) have advanced novel-view synthesis. Recent methods extend multi-view 2D segmentation to 3D, enabling instance/semantic segmentation for better scene understanding. A key…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Ankit Dhiman , Srinath R , Jaswanth Reddy , Lokesh R Boregowda , Venkatesh Babu Radhakrishnan

Generalized category discovery (GCD) is a recently proposed open-world task. Given a set of images consisting of labeled and unlabeled instances, the goal of GCD is to automatically cluster the unlabeled samples using information…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Xiangli Yang , Xinglin Pan , Irwin King , Zenglin Xu

Deep generative models have been successfully applied to Zero-Shot Learning (ZSL) recently. However, the underlying drawbacks of GANs and VAEs (e.g., the hardness of training with ZSL-oriented regularizers and the limited generation…

Machine Learning · Computer Science 2020-07-10 Yuming Shen , Jie Qin , Lei Huang

Due to the lack of properly annotated medical data, exploring the generalization capability of the deep model is becoming a public concern. Zero-shot learning (ZSL) has emerged in recent years to equip the deep model with the ability to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Cheng Bian , Chenglang Yuan , Kai Ma , Shuang Yu , Dong Wei , Yefeng Zheng

Contrastive, self-supervised learning of object representations recently emerged as an attractive alternative to reconstruction-based training. Prior approaches focus on contrasting individual object representations (slots) against one…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Sindy Löwe , Klaus Greff , Rico Jonschkowski , Alexey Dosovitskiy , Thomas Kipf

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

Zero-shot learning (ZSL) aims to discriminate images from unseen classes by exploiting relations to seen classes via their semantic descriptions. Some recent papers have shown the importance of localized features together with fine-tuning…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Shiqi Yang , Kai Wang , Luis Herranz , Joost van de Weijer

Zero-shot learning relies on semantic class representations such as hand-engineered attributes or learned embeddings to predict classes without any labeled examples. We propose to learn class representations by embedding nodes from common…

Machine Learning · Computer Science 2022-08-29 Nihal V. Nayak , Stephen H. Bach

In standard supervised machine learning, it is necessary to provide a label for every input in the data. While raw data in many application domains is easily obtainable on the Internet, manual labelling of this data is prohibitively…

Machine Learning · Computer Science 2023-09-07 Konstantinos Christopher Tsiolis

The advancement of deep learning has greatly improved supervised image classification. However, labeling data is costly, prompting research into unsupervised learning methods such as contrastive learning. In real-world scenarios, fully…

Artificial Intelligence · Computer Science 2026-01-09 Shogo Nakayama , Masahiro Okuda

In this paper, we explore contrastive learning for few-shot classification, in which we propose to use it as an additional auxiliary training objective acting as a data-dependent regularizer to promote more general and transferable…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Yassine Ouali , Céline Hudelot , Myriam Tami

Generative Zero-Shot Learning approach (GZSL) has demonstrated significant potential in 3D point cloud semantic segmentation tasks. GZSL leverages generative models like GANs or VAEs to synthesize realistic features (real features) of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Ahed Alboody

Embedding-aware generative model (EAGM) addresses the data insufficiency problem for zero-shot learning (ZSL) by constructing a generator between semantic and visual feature spaces. Thanks to the predefined benchmark and protocols, the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-17 Liangjun Feng , Jiancheng Zhao , Chunhui Zhao

Zero-shot learning (ZSL) aims to recognize a set of unseen classes without any training images. The standard approach to ZSL requires a set of training images annotated with seen class labels and a semantic descriptor for seen/unseen…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Nanyi Fei , Jiechao Guan , Zhiwu Lu , Tao Xiang , Ji-Rong Wen

Zero-shot learning (ZSL) aims to recognize unseen objects (test classes) given some other seen objects (training classes), by sharing information of attributes between different objects. Attributes are artificially annotated for objects and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Xiaofeng Xu , Ivor W. Tsang , Chuancai Liu

Modern deep learning methods have achieved great success in machine learning and computer vision fields by learning a set of pre-defined datasets. Howerver, these methods perform unsatisfactorily when applied into real-world situations. The…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Kun Wei , Cheng Deng , Xu Yang , Maosen Li

Zero-shot learning (ZSL) algorithms typically work by exploiting attribute correlations to be able to make predictions in unseen classes. However, these correlations do not remain intact at test time in most practical settings and the…