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Related papers: Zero Shot Learning with the Isoperimetric Loss

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Generalised zero-shot learning (GZSL) methods aim to classify previously seen and unseen visual classes by leveraging the semantic information of those classes. In the context of GZSL, semantic information is non-visual data such as a text…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Rafael Felix , Ben Harwood , Michele Sasdelli , Gustavo Carneiro

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

We propose a method for learning embeddings for few-shot learning that is suitable for use with any number of ways and any number of shots (shot-free). Rather than fixing the class prototypes to be the Euclidean average of sample…

Machine Learning · Computer Science 2020-04-23 Avinash Ravichandran , Rahul Bhotika , Stefano Soatto

Learning maps between data samples is fundamental. Applications range from representation learning, image translation and generative modeling, to the estimation of spatial deformations. Such maps relate feature vectors, or map between…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Hastings Greer , Roland Kwitt , Francois-Xavier Vialard , Marc Niethammer

Zero-Shot Learning (ZSL) is a classification task where we do not have even a single training labeled example from a set of unseen classes. Instead, we only have prior information (or description) about seen and unseen classes, often in the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Shabnam Daghaghi , Tharun Medini , Anshumali Shrivastava

The role of semantics in zero-shot learning is considered. The effectiveness of previous approaches is analyzed according to the form of supervision provided. While some learn semantics independently, others only supervise the semantic…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Pedro Morgado , Nuno Vasconcelos

Attributes act as intermediate representations that enable parameter sharing between classes, a must when training data is scarce. We propose to view attribute-based image classification as a label-embedding problem: each class is embedded…

Computer Vision and Pattern Recognition · Computer Science 2016-10-05 Zeynep Akata , Florent Perronnin , Zaid Harchaoui , Cordelia Schmid

Zero-shot graph embedding is a major challenge for supervised graph learning. Although a recent method RECT has shown promising performance, its working mechanisms are not clear and still needs lots of training data. In this paper, we give…

Machine Learning · Computer Science 2021-03-24 Zheng Wang , Ruihang Shao , Changping Wang , Changjun Hu , Chaokun Wang , Zhiguo Gong

In this paper, we address an open problem of zero-shot learning. Its principle is based on learning a mapping that associates feature vectors extracted from i.e. images and attribute vectors that describe objects and/or scenes of interest.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Hongguang Zhang , Piotr Koniusz

This paper studies the problem of generalized zero-shot learning which requires the model to train on image-label pairs from some seen classes and test on the task of classifying new images from both seen and unseen classes. Most previous…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 He Huang , Changhu Wang , Philip S. Yu , Chang-Dong Wang

For challenging machine learning problems such as zero-shot learning and fine-grained categorization, embedding learning is the machinery of choice because of its ability to learn generic notions of similarity, as opposed to class-specific…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Ujjal Kr Dutta , Mehrtash Harandi , Chandra Sekhar Chellu

Zero-shot learning (ZSL) makes object recognition in images possible in absence of visual training data for a part of the classes from a dataset. When the number of classes is large, classes are usually represented by semantic class…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Yannick Le Cacheux , Adrian Popescu , Hervé Le Borgne

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

Most methods tackle zero-shot video classification by aligning visual-semantic representations within seen classes, which limits generalization to unseen classes. To enhance model generalizability, this paper presents an end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Shi Pu , Kaili Zhao , Mao Zheng

Recent approaches have shown that training deep neural networks directly on large-scale image-text pair collections enables zero-shot transfer on various recognition tasks. One central issue is how this can be generalized to object…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Johnathan Xie , Shuai Zheng

Many approaches in generalized zero-shot learning rely on cross-modal mapping between the image feature space and the class embedding space. As labeled images are expensive, one direction is to augment the dataset by generating either…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Edgar Schönfeld , Sayna Ebrahimi , Samarth Sinha , Trevor Darrell , Zeynep Akata

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

State-of-the-art methods for zero-shot visual recognition formulate learning as a joint embedding problem of images and side information. In these formulations the current best complement to visual features are attributes: manually encoded…

Computer Vision and Pattern Recognition · Computer Science 2016-05-19 Scott Reed , Zeynep Akata , Bernt Schiele , Honglak Lee

Representing shapes as level sets of neural networks has been recently proved to be useful for different shape analysis and reconstruction tasks. So far, such representations were computed using either: (i) pre-computed implicit shape…

Machine Learning · Computer Science 2020-07-10 Amos Gropp , Lior Yariv , Niv Haim , Matan Atzmon , Yaron Lipman

Zero-shot learning (ZSL) aims at recognizing classes for which no visual sample is available at training time. To address this issue, one can rely on a semantic description of each class. A typical ZSL model learns a mapping between the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Celina Hanouti , Hervé Le Borgne