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

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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

Zero-shot learning (ZSL) for image classification focuses on recognizing novel categories that have no labeled data available for training. The learning is generally carried out with the help of mid-level semantic descriptors associated…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Debasmit Das , C. S. George Lee

Generalized zero-shot skeleton-based action recognition (GZSSAR) is a new challenging problem in computer vision community, which requires models to recognize actions without any training samples. Previous studies only utilize the action…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Ming-Zhe Li , Zhen Jia , Zhang Zhang , Zhanyu Ma , Liang Wang

Audio-visual automatic speech recognition (AV-ASR) is an extension of ASR that incorporates visual cues, often from the movements of a speaker's mouth. Unlike works that simply focus on the lip motion, we investigate the contribution of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Valentin Gabeur , Paul Hongsuck Seo , Arsha Nagrani , Chen Sun , Karteek Alahari , Cordelia Schmid

Zero-shot text learning enables text classifiers to handle unseen classes efficiently, alleviating the need for task-specific training data. A simple approach often relies on comparing embeddings of query (text) to those of potential…

Information Retrieval · Computer Science 2024-06-28 Tassallah Abdullahi , Ritambhara Singh , Carsten Eickhoff

With the rapid development of deep learning algorithms, action recognition in video has achieved many important research results. One issue in action recognition, Zero-Shot Action Recognition (ZSAR), has recently attracted considerable…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Dong Cao , Lisha Xu , HaiBo Chen

Facial expression recognition (FER) is a key research area in computer vision and human-computer interaction. Despite recent advances in deep learning, challenges persist, especially in generalizing to new scenarios. In fact, zero-shot FER…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Modesto Castrillón-Santana , Oliverio J Santana , David Freire-Obregón , Daniel Hernández-Sosa , Javier Lorenzo-Navarro

Zero-shot learning (ZSL) recognizes the unseen classes by conducting visual-semantic interactions to transfer semantic knowledge from seen classes to unseen ones, supported by semantic information (e.g., attributes). However, existing ZSL…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Shiming Chen , Wenjin Hou , Salman Khan , Fahad Shahbaz Khan

Multimodal large language models (MLLMs) have demonstrated remarkable potential in bridging visual and textual reasoning, yet their reliance on text-centric priors often limits their ability to disentangle semantically similar actions in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Zhenlong Yuan , Xiangyan Qu , Chengxuan Qian , Rui Chen , Jing Tang , Lei Sun , Xiangxiang Chu , Dapeng Zhang , Yiwei Wang , Yujun Cai , Shuo Li

Reinforcement learning (RL) requires either manually specifying a reward function, which is often infeasible, or learning a reward model from a large amount of human feedback, which is often very expensive. We study a more sample-efficient…

Machine Learning · Computer Science 2024-03-15 Juan Rocamonde , Victoriano Montesinos , Elvis Nava , Ethan Perez , David Lindner

Pre-trained vision-language models (VLMs) like CLIP have demonstrated impressive zero-shot performance on a wide range of downstream computer vision tasks. However, there still exists a considerable performance gap between these models and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Bardia Safaei , Vishal M. Patel

Zero-shot recognition (ZSR) aims to recognize target-domain data instances of unseen classes based on the models learned from associated pairs of seen-class source and target domain data. One of the key challenges in ZSR is the relative…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Ziming Zhang , Venkatesh Saligrama

Visual keyword spotting (KWS) is the problem of estimating whether a text query occurs in a given recording using only video information. This paper focuses on visual KWS for words unseen during training, a real-world, practical setting…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Themos Stafylakis , Georgios Tzimiropoulos

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

Vision-language models (VLMs) have revolutionized machine learning by leveraging large pre-trained models to tackle various downstream tasks. Although label, training, and data efficiency have improved, many state-of-the-art VLMs still…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Yushu Li , Yongyi Su , Adam Goodge , Kui Jia , Xun Xu

Reinforcement learning in large reasoning models enables learning from feedback on their outputs, making it particularly valuable in scenarios where fine-tuning data is limited. However, its application in multi-modal human activity…

Robotics · Computer Science 2025-08-15 Wenqi Zheng , Yutaka Arakawa

We study the problem of recognizing visual entities from the textual descriptions of their classes. Specifically, given birds' images with free-text descriptions of their species, we learn to classify images of previously-unseen species…

Computation and Language · Computer Science 2020-10-08 Tzuf Paz-Argaman , Yuval Atzmon , Gal Chechik , Reut Tsarfaty

Existing deep learning-based methods can capture shared features from optical and synthetic aperture radar (SAR) images for spatial alignment. However, optical-SAR registration remains challenging under large geometric deformations, because…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Zhuoyu Cai , Dou Quan , Ning Huyan , Pei He , Shuang Wang , Licheng Jiao

Zero-shot action recognition, which addresses the issue of scalability and generalization in action recognition and allows the models to adapt to new and unseen actions dynamically, is an important research topic in computer vision…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Jidong Kuang , Hongsong Wang , Chaolei Han , Yang Zhang , Jie Gui

Vision-language agents that orchestrate specialized tools for image restoration (IR) have emerged as a promising method, yet most existing frameworks operate in a training-free manner. They rely on heuristic task scheduling and exhaustive…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yisheng Zhang , Guoli Jia , Haote Hu , Shanxu Zhao , Kaikai Zhao , Long Sun , Xinwei Long , Kai Tian , Che Jiang , Zhaoxiang Liu , Kai Wang , Shiguo Lian , Kaiyan Zhang , Bowen Zhou