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Class-Agnostic Counting (CAC) seeks to accurately count objects in a given image with only a few reference examples. While previous methods achieving this relied on additional training, recent efforts have shown that it's possible to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yuhao Lin , Haiming Xu , Lingqiao Liu , Javen Qinfeng Shi

From the beginning of zero-shot learning research, visual attributes have been shown to play an important role. In order to better transfer attribute-based knowledge from known to unknown classes, we argue that an image representation with…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Wenjia Xu , Yongqin Xian , Jiuniu Wang , Bernt Schiele , Zeynep Akata

Recent advances in large vision-language models have revolutionized the image classification paradigm. Despite showing impressive zero-shot capabilities, a pre-defined set of categories, a.k.a. the vocabulary, is assumed at test time for…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Alessandro Conti , Enrico Fini , Massimiliano Mancini , Paolo Rota , Yiming Wang , Elisa Ricci

Zero-shot learning (ZSL) aims to identify unseen classes with zero samples during training. Broadly speaking, present ZSL methods usually adopt class-level semantic labels and compare them with instance-level semantic predictions to infer…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Zihan Ye , Guanyu Yang , Xiaobo Jin , Youfa Liu , Kaizhu Huang

In principle, zero-shot learning makes it possible to train a recognition model simply by specifying the category's attributes. For example, with classifiers for generic attributes like \emph{striped} and \emph{four-legged}, one can…

Computer Vision and Pattern Recognition · Computer Science 2016-03-30 Dinesh Jayaraman , Kristen Grauman

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

Zero-shot learning (ZSL) methods have been studied in the unrealistic setting where test data are assumed to come from unseen classes only. In this paper, we advocate studying the problem of generalized zero-shot learning (GZSL) where the…

Computer Vision and Pattern Recognition · Computer Science 2017-01-12 Wei-Lun Chao , Soravit Changpinyo , Boqing Gong , Fei Sha

Deep learning provides us with powerful methods to perform nucleus or cell segmentation with unprecedented quality. However, these methods usually require large training sets of manually annotated images, which are tedious and expensive to…

Image and Video Processing · Electrical Eng. & Systems 2023-01-11 Thomas Bonte , Maxence Philbert , Emeline Coleno , Edouard Bertrand , Arthur Imbert , Thomas Walter

Using a taxonomy to organize information requires classifying objects (documents, images, etc) with appropriate taxonomic classes. The flexible nature of zero-shot learning is appealing for this task because it allows classifiers to…

Computation and Language · Computer Science 2022-09-27 Thom Lake

Recent progress towards learning from limited supervision has encouraged efforts towards designing models that can recognize novel classes at test time (generalized zero-shot learning or GZSL). GZSL approaches assume knowledge of all…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Hari Chandana Kuchibhotla , Sumitra S Malagi , Shivam Chandhok , Vineeth N Balasubramanian

Deep learning has significantly improved the precision of instance segmentation with abundant labeled data. However, in many areas like medical and manufacturing, collecting sufficient data is extremely hard and labeling this data requires…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Ye Zheng , Jiahong Wu , Yongqiang Qin , Faen Zhang , Li Cui

Image caption generation is a long standing and challenging problem at the intersection of computer vision and natural language processing. A number of recently proposed approaches utilize a fully supervised object recognition model within…

Computer Vision and Pattern Recognition · Computer Science 2019-08-02 Berkan Demirel , Ramazan Gokberk Cinbis , Nazli Ikizler-Cinbis

In a traditional setting, classifiers are trained to approximate a target function $f:X \rightarrow Y$ where at least a sample for each $y \in Y$ is presented to the training algorithm. In a zero-shot setting we have a subset of the labels…

Machine Learning · Computer Science 2020-08-20 Gaurav Singh , Fabrizio Silvestri , John Shawe-Taylor

Zero-shot capability has been considered as a new revolution of deep learning, letting machines work on tasks without curated training data. As a good start and the only existing outcome of zero-shot image captioning (IC), ZeroCap abandons…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Zequn Zeng , Hao Zhang , Zhengjue Wang , Ruiying Lu , Dongsheng Wang , Bo Chen

Zero-Shot Learning (ZSL) promises to scale visual recognition by bypassing the conventional model training requirement of annotated examples for every category. This is achieved by establishing a mapping connecting low-level features and a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Xun Xu , Timothy M. Hospedales , Shaogang Gong

Zero-shot Learning (ZSL) classification categorizes or predicts classes (labels) that are not included in the training set (unseen classes). Recent works proposed different semantic autoencoder (SAE) models where the encoder embeds a visual…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 William Heyden , Habib Ullah , M. Salman Siddiqui , Fadi Al Machot

Zero-shot learning (ZSL) can be formulated as a cross-domain matching problem: after being projected into a joint embedding space, a visual sample will match against all candidate class-level semantic descriptions and be assigned to the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Lei Zhang , Peng Wang , Lingqiao Liu , Chunhua Shen , Wei Wei , Yannning Zhang , Anton Van Den Hengel

Large scale vision and language models can achieve impressive zero-shot recognition performance by mapping class specific text queries to image content. Two distinct challenges that remain however, are high sensitivity to the choice of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Sarah Parisot , Yongxin Yang , Steven McDonagh

Zero-shot learning (ZSL) which aims to recognize unseen object classes by only training on seen object classes, has increasingly been of great interest in Machine Learning, and has registered with some successes. Most existing ZSL methods…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Wen Tang , Ashkan Panahi , Hamid Krim

Hashing algorithms have been widely used in large-scale image retrieval tasks, especially for seen class data. Zero-shot hashing algorithms have been proposed to handle unseen class data. The key technique in these algorithms involves…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Yan Jiang , Zhongmiao Qi , Jianhao Li , Jiangbo Qian , Chong Wang , Yu Xin