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Related papers: Enhancing Spatio-Temporal Zero-shot Action Recogni…

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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

Accurate video moment retrieval (VMR) requires universal visual-textual correlations that can handle unknown vocabulary and unseen scenes. However, the learned correlations are likely either biased when derived from a limited amount of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Dezhao Luo , Jiabo Huang , Shaogang Gong , Hailin Jin , Yang Liu

The number of categories for action recognition is growing rapidly. It is thus becoming increasingly hard to collect sufficient training data to learn conventional models for each category. This issue may be ameliorated by the increasingly…

Computer Vision and Pattern Recognition · Computer Science 2015-11-17 Xun Xu , Timothy Hospedales , Shaogang Gong

Vision-language models (VLMs) classify the query video by calculating a similarity score between the visual features and text-based class label representations. Recently, large language models (LLMs) have been used to enrich the text-based…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Adeel Yousaf , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan , Mubarak Shah

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

Tactile perception is vital, especially when distinguishing visually similar objects. We propose an approach to incorporate tactile data into a Vision-Language Model (VLM) for visuo-tactile zero-shot object recognition. Our approach…

Robotics · Computer Science 2024-09-17 Shiori Ueda , Atsushi Hashimoto , Masashi Hamaya , Kazutoshi Tanaka , Hideo Saito

Exploring open-vocabulary video action recognition is a promising venture, which aims to recognize previously unseen actions within any arbitrary set of categories. Existing methods typically adapt pretrained image-text models to the video…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Chengyou Jia , Minnan Luo , Xiaojun Chang , Zhuohang Dang , Mingfei Han , Mengmeng Wang , Guang Dai , Sizhe Dang , Jingdong Wang

The widespread use of cameras in our society has created an overwhelming amount of video data, far exceeding the capacity for human monitoring. This presents a critical challenge for public safety and security, as the timely detection of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Pascal Benschop , Cristian Meo , Justin Dauwels , Jelte P. Mense

The number of categories for action recognition is growing rapidly and it has become increasingly hard to label sufficient training data for learning conventional models for all categories. Instead of collecting ever more data and labelling…

Computer Vision and Pattern Recognition · Computer Science 2016-12-05 Xun Xu , Timothy Hospedales , Shaogang Gong

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

Effective cross-modal retrieval is essential for applications like information retrieval and recommendation systems, particularly in specialized domains such as manufacturing, where product information often consists of visual samples…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Francesco Giuliari , Asif Khan Pattan , Mohamed Lamine Mekhalfi , Fabio Poiesi

Spatio-temporal action detection encompasses the tasks of localizing and classifying individual actions within a video. Recent works aim to enhance this process by incorporating interaction modeling, which captures the relationship between…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Wei-Jhe Huang , Min-Hung Chen , Shang-Hong Lai

The zero-shot performance of existing vision-language models (VLMs) such as CLIP is limited by the availability of large-scale, aligned image and text datasets in specific domains. In this work, we leverage two complementary sources of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Oindrila Saha , Grant Van Horn , Subhransu Maji

We aim for zero-shot localization and classification of human actions in video. Where traditional approaches rely on global attribute or object classification scores for their zero-shot knowledge transfer, our main contribution is a…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Pascal Mettes , Cees G. M. Snoek

Vision-Language models (VLMs) have excelled in the image-domain -- especially in zero-shot settings -- thanks to the availability of vast pretraining data (i.e., paired image-text samples). However for videos, such paired data is not as…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Kumara Kahatapitiya , Anurag Arnab , Arsha Nagrani , Michael S. Ryoo

The goal of this paper is to recognize actions in video without the need for examples. Different from traditional zero-shot approaches we do not demand the design and specification of attribute classifiers and class-to-attribute mappings to…

Computer Vision and Pattern Recognition · Computer Science 2015-10-26 Mihir Jain , Jan C. van Gemert , Thomas Mensink , Cees G. M. Snoek

Zero-shot action recognition is challenging due to the semantic gap between seen and unseen classes. We present a novel framework that enhances CLIP with disentangled embeddings and semantic-guided interaction. A Motion Separation Module…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Yiming Wang , Frederick W. B. Li , Jingyun Wang

Zero-shot action recognition relies on transferring knowledge from vision-language models to unseen actions using semantic descriptions. While recent methods focus on temporal modeling or architectural adaptations to handle video data, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Salman Iqbal , Waheed Rehman

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

Human-annotated attributes serve as powerful semantic embeddings in zero-shot learning. However, their annotation process is labor-intensive and needs expert supervision. Current unsupervised semantic embeddings, i.e., word embeddings,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Wenjia Xu , Yongqin Xian , Jiuniu Wang , Bernt Schiele , Zeynep Akata
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