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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

Methods for object detection and segmentation often require abundant instance-level annotations for training, which are time-consuming and expensive to collect. To address this, the task of zero-shot object detection (or segmentation) aims…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Siddhesh Khandelwal , Anirudth Nambirajan , Behjat Siddiquie , Jayan Eledath , Leonid Sigal

To recognize objects of the unseen classes, most existing Zero-Shot Learning(ZSL) methods first learn a compatible projection function between the common semantic space and the visual space based on the data of source seen classes, then…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Ziyu Wan , Dongdong Chen , Yan Li , Xingguang Yan , Junge Zhang , Yizhou Yu , Jing Liao

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

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

Existing solutions to zero-shot text classification either conduct prompting with pre-trained language models, which is sensitive to the choices of templates, or rely on large-scale annotated data of relevant tasks for meta-tuning. In this…

Computation and Language · Computer Science 2023-05-26 Chaoqun Liu , Wenxuan Zhang , Guizhen Chen , Xiaobao Wu , Anh Tuan Luu , Chip Hong Chang , Lidong Bing

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

Few-shot detection is a major task in pattern recognition which seeks to localize objects using models trained with few labeled data. One of the mainstream few-shot methods is transfer learning which consists in pretraining a detection…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Jie Mei , Mingyuan Jiu , Hichem Sahbi , Xiaoheng Jiang , Mingliang Xu

Stance detection is a critical component of rumour and fake news identification. It involves the extraction of the stance a particular author takes related to a given claim, both expressed in text. This paper investigates stance…

Computation and Language · Computer Science 2018-10-04 Nikita Lozhnikov , Leon Derczynski , Manuel Mazzara

We introduce an open-domain topic classification system that accepts user-defined taxonomy in real time. Users will be able to classify a text snippet with respect to any candidate labels they want, and get instant response from our web…

Computation and Language · Computer Science 2023-07-03 Hantian Ding , Jinrui Yang , Yuqian Deng , Hongming Zhang , Dan Roth

In this work, we propose a zero-shot learning method to effectively model knowledge transfer between classes via jointly learning visually consistent word vectors and label embedding model in an end-to-end manner. The main idea is to…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Berkan Demirel , Ramazan Gokberk Cinbis , Nazli Ikizler-Cinbis

Zero-shot learning (ZSL) can be defined by correctly solving a task where no training data is available, based on previous acquired knowledge from different, but related tasks. So far, this area has mostly drawn the attention from computer…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Joao Reis , Gil Gonçalves

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

Zero-shot stance detection (ZSSD) seeks to determine the stance of text toward previously unseen targets, a task critical for analyzing dynamic and polarized online discourse with limited labeled data. While large language models (LLMs)…

Computation and Language · Computer Science 2026-01-27 Bowen Zhang , Jun Ma , Fuqiang Niu , Li Dong , Jinzhou Cao , Genan Dai

Stance classification aims to identify, for a particular issue under discussion, whether the speaker or author of a conversational turn has Pro (Favor) or Con (Against) stance on the issue. Detecting stance in tweets is a new task proposed…

Computation and Language · Computer Science 2018-01-29 Amita Misra , Brian Ecker , Theodore Handleman , Nicolas Hahn , Marilyn Walker

Zero-shot object recognition or zero-shot learning aims to transfer the object recognition ability among the semantically related categories, such as fine-grained animal or bird species. However, the images of different fine-grained objects…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Zongyan Han , Zhenyong Fu , Jian Yang

Target-based Stance Detection is the task of finding a stance toward a target. Twitter is one of the primary sources of political discussions in social media and one of the best resources to analyze Stance toward entities. This work…

Computation and Language · Computer Science 2022-05-02 Mohammad Mehdi Jaziriyan , Ahmad Akbari , Hamed Karbasi

Stance detection concerns automatically determining the viewpoint (i.e., in favour of, against, or neutral) of a text's author towards a target. Stance detection has been applied to many research topics, among which the detection of stances…

Computation and Language · Computer Science 2026-02-20 Qixiang Fang , Anastasia Giachanou , Ayoub Bagheri

Developing dialogue relation extraction (DRE) systems often requires a large amount of labeled data, which can be costly and time-consuming to annotate. In order to improve scalability and support diverse, unseen relation extraction, this…

Computation and Language · Computer Science 2023-06-13 Ze-Song Xu , Yun-Nung Chen

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