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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…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Ali Cheraghian , Shafinn Rahman , Townim F. Chowdhury , Dylan Campbell , Lars Petersson

Building image classification models remains cumbersome in data-scarce domains, where collecting large labeled datasets is impractical. In-context learning (ICL) has emerged as a promising paradigm for few-shot image classification (FSIC),…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Lukas Schiesser , Cornelius Wolff , Sophie Haas , Simon Pukrop

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 novel zero-shot learning method for semantic utterance classification (SUC). It learns a classifier $f: X \to Y$ for problems where none of the semantic categories $Y$ are present in the training set. The framework uncovers the…

Computation and Language · Computer Science 2014-03-11 Yann N. Dauphin , Gokhan Tur , Dilek Hakkani-Tur , Larry Heck

Zero-shot learning (ZSL) is one of the most extreme forms of learning from scarce labeled data. It enables predicting that images belong to classes for which no labeled training instances are available. In this paper, we present a new ZSL…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Colin Samplawski , Heesung Kwon , Erik Learned-Miller , Benjamin M. Marlin

We introduce and tackle the problem of zero-shot object detection (ZSD), which aims to detect object classes which are not observed during training. We work with a challenging set of object classes, not restricting ourselves to similar…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Ankan Bansal , Karan Sikka , Gaurav Sharma , Rama Chellappa , Ajay Divakaran

In Composed Image Retrieval (CIR), a user combines a query image with text to describe their intended target. Existing methods rely on supervised learning of CIR models using labeled triplets consisting of the query image, text…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Kuniaki Saito , Kihyuk Sohn , Xiang Zhang , Chun-Liang Li , Chen-Yu Lee , Kate Saenko , Tomas Pfister

Fine-grained image classification, which aims to distinguish images with subtle distinctions, is a challenging task due to two main issues: lack of sufficient training data for every class and difficulty in learning discriminative features…

Computer Vision and Pattern Recognition · Computer Science 2017-07-05 Aoxue Li , Zhiwu Lu , Liwei Wang , Tao Xiang , Xinqi Li , Ji-Rong Wen

Zero-shot recognition aims to accurately recognize objects of unseen classes by using a shared visual-semantic mapping between the image feature space and the semantic embedding space. This mapping is learned on training data of seen…

Computer Vision and Pattern Recognition · Computer Science 2017-03-21 Yanan Li , Donghui Wang , Huanhang Hu , Yuetan Lin , Yueting Zhuang

Recently, large-scale pre-trained Vision and Language (VL) models have set a new state-of-the-art (SOTA) in zero-shot visual classification enabling open-vocabulary recognition of potentially unlimited set of categories defined as simple…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 M. Jehanzeb Mirza , Leonid Karlinsky , Wei Lin , Mateusz Kozinski , Horst Possegger , Rogerio Feris , Horst Bischof

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

We consider the problem of zero-shot recognition: learning a visual classifier for a category with zero training examples, just using the word embedding of the category and its relationship to other categories, which visual data are…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Xiaolong Wang , Yufei Ye , Abhinav Gupta

This paper provides a framework to hash images containing instances of unknown object classes. In many object recognition problems, we might have access to huge amount of data. It may so happen that even this huge data doesn't cover the…

Computer Vision and Pattern Recognition · Computer Science 2016-10-11 Shubham Pachori , Shanmuganathan Raman

Generalized zero-shot learning (GZSL) is one of the most realistic but challenging problems due to the partiality of the classifier to supervised classes, especially under the class-inductive instance-inductive (CIII) training setting,…

Machine Learning · Computer Science 2021-08-24 Xiaowei Chen

Zero-shot instance segmentation aims to detect and precisely segment objects of unseen categories without any training samples. Since the model is trained on seen categories, there is a strong bias that the model tends to classify all the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Shuting He , Henghui Ding , Wei Jiang

Standard deep learning-based classification approaches require collecting all samples from all classes in advance and are trained offline. This paradigm may not be practical in real-world clinical applications, where new classes are…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Sana Ayromlou , Purang Abolmaesumi , Teresa Tsang , Xiaoxiao Li

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 action recognition is the task of recognizingaction classes without visual examples, only with a seman-tic embedding which relates unseen to seen classes. Theproblem can be seen as learning a function which general-izes well to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Shreyank N Gowda , Laura Sevilla-Lara , Frank Keller , Marcus Rohrbach

Current methods for developing foundation models in medical image segmentation rely on two primary assumptions: a fixed set of classes and the immediate availability of a substantial and diverse training dataset. However, this can be…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Xiaoyang Chen , Hao Zheng , Yifang Xie , Yuncong Ma , Tengfei Li

Deep neural networks have achieved promising progress in remote sensing (RS) image classification, for which the training process requires abundant samples for each class. However, it is time-consuming and unrealistic to annotate labels for…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Wenjia Xu , Jiuniu Wang , Zhiwei Wei , Mugen Peng , Yirong Wu