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Zero-shot learning aims to classify visual objects without any training data via knowledge transfer between seen and unseen classes. This is typically achieved by exploring a semantic embedding space where the seen and unseen classes can be…

Computer Vision and Pattern Recognition · Computer Science 2015-06-04 Zhen-Yong Fu , Tao Xiang , Shaogang Gong

Zero-shot learning (ZSL) has received increasing attention in recent years especially in areas of fine-grained object recognition, retrieval, and image captioning. The key to ZSL is to transfer knowledge from the seen to the unseen classes…

Machine Learning · Computer Science 2020-02-12 Zhizhe Liu , Xingxing Zhang , Zhenfeng Zhu , Shuai Zheng , Yao Zhao , Jian Cheng

Recent works on zero-shot learning make use of side information such as visual attributes or natural language semantics to define the relations between output visual classes and then use these relationships to draw inference on new unseen…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Saumya Jetley , Bernardino Romera-Paredes , Sadeep Jayasumana , Philip Torr

Zero-shot learning extends the conventional object classification to the unseen class recognition by introducing semantic representations of classes. Existing approaches predominantly focus on learning the proper mapping function for…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Yizhe Zhu , Jianwen Xie , Zhiqiang Tang , Xi Peng , Ahmed Elgammal

Robustness to domain changes is a key capability for effective deployment of human action recognition systems in real-world scenarios, where action categories at inference can present important domain shifts or even unseen actions from…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Yannick Porto , Renato Martins , Thomas Chalumeau , Cedric Demonceaux

Object recognition systems usually require fully complete manually labeled training data to train the classifier. In this paper, we study the problem of object recognition where the training samples are missing during the classifier…

Computer Vision and Pattern Recognition · Computer Science 2014-10-15 Wai Lam Hoo , Chee Seng Chan

Few-shot action recognition aims to recognize novel action classes using only a small number of labeled training samples. In this work, we propose a novel approach that first summarizes each video into compound prototypes consisting of a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Yifei Huang , Lijin Yang , Yoichi Sato

This paper presents a novel approach to Zero-Shot Action Recognition. Recent works have explored the detection and classification of objects to obtain semantic information from videos with remarkable performance. Inspired by them, we…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Valter Estevam , Rayson Laroca , David Menotti , Helio Pedrini

The goal of spatial-temporal action detection is to determine the time and place where each person's action occurs in a video and classify the corresponding action category. Most of the existing methods adopt fully-supervised learning,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Wei-Jhe Huang , Jheng-Hsien Yeh , Min-Hung Chen , Gueter Josmy Faure , Shang-Hong Lai

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

Object goal visual navigation is a challenging task that aims to guide a robot to find the target object based on its visual observation, and the target is limited to the classes pre-defined in the training stage. However, in real…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Qianfan Zhao , Lu Zhang , Bin He , Hong Qiao , Zhiyong Liu

Unseen Action Recognition (UAR) aims to recognise novel action categories without training examples. While previous methods focus on inner-dataset seen/unseen splits, this paper proposes a pipeline using a large-scale training source to…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Yi Zhu , Yang Long , Yu Guan , Shawn Newsam , Ling Shao

Zero-Shot Action Recognition (ZSAR) aims to recognize video actions that have never been seen during training. Most existing methods assume a shared semantic space between seen and unseen actions and intend to directly learn a mapping from…

Computer Vision and Pattern Recognition · Computer Science 2022-06-23 Zhiyi Gao , Yonghong Hou , Wanqing Li , Zihui Guo , Bin Yu

Image caption generation is one of the most challenging problems at the intersection of vision and language domains. In this work, we propose a realistic captioning task where the input scenes may incorporate visual objects with no…

Computer Vision and Pattern Recognition · Computer Science 2022-07-04 Berkan Demirel , Ramazan Gokberk Cinbis

Gauging the performance of ML models on data from unseen domains at test-time is essential yet a challenging problem due to the lack of labels in this setting. Moreover, the performance of these models on in-distribution data is a poor…

Machine Learning · Computer Science 2024-05-03 Akshay Mehra , Yunbei Zhang , Jihun Hamm

Vision-Language Models (VLMs) have demonstrated impressive capabilities in zero-shot action recognition by learning to associate video embeddings with class embeddings. However, a significant challenge arises when relying solely on action…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yehna Kim , Young-Eun Kim , Seong-Whan Lee

In this paper, we propose a general framework for universal zero-shot goal-oriented navigation. Existing zero-shot methods build inference framework upon large language models (LLM) for specific tasks, which differs a lot in overall…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Hang Yin , Xiuwei Xu , Lingqing Zhao , Ziwei Wang , Jie Zhou , Jiwen Lu

The recent advances in transfer learning techniques and pre-training of large contextualized encoders foster innovation in real-life applications, including dialog assistants. Practical needs of intent recognition require effective data…

Computation and Language · Computer Science 2022-06-23 Dmitry Lamanov , Pavel Burnyshev , Ekaterina Artemova , Valentin Malykh , Andrey Bout , Irina Piontkovskaya

We propose a new zero-shot Event Detection method by Multi-modal Distributional Semantic embedding of videos. Our model embeds object and action concepts as well as other available modalities from videos into a distributional semantic…

Computer Vision and Pattern Recognition · Computer Science 2015-12-17 Mohamed Elhoseiny , Jingen Liu , Hui Cheng , Harpreet Sawhney , Ahmed Elgammal

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