English
Related papers

Related papers: Text-Enhanced Zero-Shot Action Recognition: A trai…

200 papers

Zero-Shot Action Recognition has attracted attention in the last years and many approaches have been proposed for recognition of objects, events and actions in images and videos. There is a demand for methods that can classify instances…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Valter Estevam , Helio Pedrini , David Menotti

Vision and Language Models (VLMs), such as CLIP, have enabled visual recognition of a potentially unlimited set of categories described by text prompts. However, for the best visual recognition performance, these models still require tuning…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 M. Jehanzeb Mirza , Leonid Karlinsky , Wei Lin , Horst Possegger , Rogerio Feris , Horst Bischof

This work introduces a model that can recognize objects in images even if no training data is available for the objects. The only necessary knowledge about the unseen categories comes from unsupervised large text corpora. In our zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2013-03-21 Richard Socher , Milind Ganjoo , Hamsa Sridhar , Osbert Bastani , Christopher D. Manning , Andrew Y. Ng

Most existing algorithms for cross-modal Information Retrieval are based on a supervised train-test setup, where a model learns to align the mode of the query (e.g., text) to the mode of the documents (e.g., images) from a given training…

Computer Vision and Pattern Recognition · Computer Science 2020-09-24 Anurag Roy , Vinay Kumar Verma , Kripabandhu Ghosh , Saptarshi Ghosh

Zero-Shot Learning (ZSL) presents the challenge of identifying categories not seen during training. This task is crucial in domains where it is costly, prohibited, or simply not feasible to collect training data. ZSL depends on a mapping…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 William Heyden , Habib Ullah , M. Salman Siddiqui , Fadi Al Machot

Zero-shot learning (ZSL) tackles the novel class recognition problem by transferring semantic knowledge from seen classes to unseen ones. Existing attention-based models have struggled to learn inferior region features in a single image by…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Shiming Chen , Ziming Hong , Wenjin Hou , Guo-Sen Xie , Yibing Song , Jian Zhao , Xinge You , Shuicheng Yan , Ling Shao

Online Temporal Action Localization (On-TAL) aims to detect the occurrence time and category of actions in untrimmed streaming videos immediately upon their completion. Recent advancements in this field focus on developing more…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Chaolei Han , Hongsong Wang , Xin Gong , Jie Gui

Zero-shot learning (ZSL) aims to recognize instances of unseen classes solely based on the semantic descriptions of the classes. Existing algorithms usually formulate it as a semantic-visual correspondence problem, by learning mappings from…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Kai Li , Martin Renqiang Min , Yun Fu

Although reinforcement learning (RL) has emerged as a promising approach for improving vision-language models (VLMs) and multimodal large language models (MLLMs), current methods rely heavily on manually curated datasets and costly human…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Qinsi Wang , Bo Liu , Tianyi Zhou , Jing Shi , Yueqian Lin , Yiran Chen , Hai Helen Li , Kun Wan , Wentian Zhao

Zero-shot action recognition, which recognizes actions in videos without having received any training examples, is gaining wide attention considering it can save labor costs and training time. Nevertheless, the performance of zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Nan Wu , Hiroshi Kera , Kazuhiko Kawamoto

Recent Vision Language Models (VLMs) have demonstrated strong performance across a wide range of multimodal reasoning tasks. This raises the question of whether such general-purpose models can also address specialized visual recognition…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Vaclav Javorek , Jakub Honzik , Ivan Gruber , Tomas Zelezny , Marek Hruz

The growing demand for surveillance in public spaces presents significant challenges due to the shortage of human resources. Current AI-based video surveillance systems heavily rely on core computer vision models that require extensive…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Joao Pereira , Vasco Lopes , David Semedo , Joao Neves

Visual Speech Recognition (VSR) is the process of recognizing or interpreting speech by watching the lip movements of the speaker. Recent machine learning based approaches model VSR as a classification problem; however, the scarcity of…

Video Action Recognition (VAR) is a challenging task due to its inherent complexities. Though different approaches have been explored in the literature, designing a unified framework to recognize a large number of human actions is still a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Soumyabrata Chaudhuri , Saumik Bhattacharya

Context-aware emotion recognition (CAER) is a complex and significant task that requires perceiving emotions from various contextual cues. Previous approaches primarily focus on designing sophisticated architectures to extract emotional…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Yuxuan Lei , Dingkang Yang , Zhaoyu Chen , Jiawei Chen , Peng Zhai , Lihua Zhang

Recent advances in Vision Language Models (VLMs) and Vision Foundation Models (VFMs) have opened new opportunities for zero-shot text-guided segmentation of remote sensing imagery. However, most existing approaches still rely on additional…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Jose Sosa , Danila Rukhovich , Anis Kacem , Djamila Aouada

In this paper, we study the problem of zero-shot sketch-based image retrieval (ZS-SBIR). The prior methods tackle the problem in a two-modality setting with only category labels or even no textual information involved. However, the growing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Hanwen Su , Ge Song , Kai Huang , Jiyan Wang , Ming Yang

We study the task of zero-shot vision-and-language navigation (ZS-VLN), a practical yet challenging problem in which an agent learns to navigate following a path described by language instructions without requiring any path-instruction…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Peihao Chen , Xinyu Sun , Hongyan Zhi , Runhao Zeng , Thomas H. Li , Gaowen Liu , Mingkui Tan , Chuang Gan

Automatic target recognition (ATR) plays a critical role in tasks such as navigation and surveillance, where safety and accuracy are paramount. In extreme use cases, such as military applications, these factors are often challenged due to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Yasiru Ranasinghe , Vibashan VS , James Uplinger , Celso De Melo , Vishal M. Patel

In most recent years, zero-shot recognition (ZSR) has gained increasing attention in machine learning and image processing fields. It aims at recognizing unseen class instances with knowledge transferred from seen classes. This is typically…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Jingcai Guo , Song Guo