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Recently, with the availability of cost-effective depth cameras coupled with real-time skeleton estimation, the interest in skeleton-based human action recognition is renewed. Most of the existing skeletal representation approaches use…

Computer Vision and Pattern Recognition · Computer Science 2020-03-13 Zhize Wu , Thomas Weise , Le Zou , Fei Sun , Ming Tan

Skeleton-based Temporal Action Segmentation (STAS) aims to segment and recognize various actions from long, untrimmed sequences of human skeletal movements. Current STAS methods typically employ spatio-temporal modeling to establish…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Haoyu Ji , Bowen Chen , Weihong Ren , Wenze Huang , Zhihao Yang , Zhiyong Wang , Honghai Liu

Sign language recognition involves modeling complex multichannel information, such as hand shapes and movements while relying on sufficient sign language-specific data. However, sign languages are often under-resourced, posing a significant…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Hossein Ranjbar , Alireza Taheri

This paper focuses on the challenging task of learning 3D object surface reconstructions from single RGB images. Existing methods achieve varying degrees of success by using different geometric representations. However, they all have their…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Jiapeng Tang , Xiaoguang Han , Junyi Pan , Kui Jia , Xin Tong

This paper presents a real-time American Sign Language (ASL) recognition system utilizing a hybrid deep learning architecture combining 3D Convolutional Neural Networks (3D CNN) with Long Short-Term Memory (LSTM) networks. The system…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Dawnena Key

We introduce the problem of zero-shot sign language recognition (ZSSLR), where the goal is to leverage models learned over the seen sign class examples to recognize the instances of unseen signs. To this end, we propose to utilize the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-25 Yunus Can Bilge , Nazli Ikizler-Cinbis , Ramazan Gokberk Cinbis

Recent advances in tracking sensors and pose estimation software enable smart systems to use trajectories of skeleton joint locations for supervised learning. We study the problem of accurately recognizing sign language words, which is key…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Joachim Gudmundsson , Martin P. Seybold , John Pfeifer

In this paper, we propose a 3D Convolutional Neural Network (3DCNN) based multi-stream framework to recognize American Sign Language (ASL) manual signs (consisting of movements of the hands, as well as non-manual face movements in some…

Computer Vision and Pattern Recognition · Computer Science 2019-06-10 Longlong Jing , Elahe Vahdani , Matt Huenerfauth , Yingli Tian

Sign language is a beautiful visual language and is also the primary language used by speaking and hearing-impaired people. However, sign language has many complex expressions, which are difficult for the public to understand and master.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Ronghui Li , Lu Meng

Our aim is to develop a unified model for sign language understanding, that performs sign language translation (SLT) and sign-subtitle alignment (SSA). Together, these two tasks enable the conversion of continuous signing videos into spoken…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Youngjoon Jang , Liliane Momeni , Zifan Jiang , Joon Son Chung , Gül Varol , Andrew Zisserman

This paper presents an in-depth analysis of various self-supervision methods for isolated sign language recognition (ISLR). We consider four recently introduced transformer-based approaches to self-supervised learning from videos, and four…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Marcelo Sandoval-Castaneda , Yanhong Li , Diane Brentari , Karen Livescu , Gregory Shakhnarovich

This paper tackles the problem of zero-shot sign language recognition (ZSSLR), where the goal is to leverage models learned over the seen sign classes to recognize the instances of unseen sign classes. In this context, readily available…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Yunus Can Bilge , Ramazan Gokberk Cinbis , Nazli Ikizler-Cinbis

Sign language recognition and translation technologies have the potential to increase access and inclusion of deaf signing communities, but research progress is bottlenecked by a lack of representative data. We introduce a new resource for…

Computation and Language · Computer Science 2023-10-03 Lee Kezar , Elana Pontecorvo , Adele Daniels , Connor Baer , Ruth Ferster , Lauren Berger , Jesse Thomason , Zed Sevcikova Sehyr , Naomi Caselli

Sign language representation learning presents unique challenges due to the complex spatio-temporal nature of signs and the scarcity of labeled datasets. Existing methods often rely either on models pre-trained on general visual tasks, that…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Ryan Wong , Necati Cihan Camgoz , Richard Bowden

Language models for American Sign Language (ASL) could make language technologies substantially more accessible to those who sign. To train models on tasks such as isolated sign recognition (ISR) and ASL-to-English translation, datasets…

Computation and Language · Computer Science 2024-11-07 Lee Kezar , Nidhi Munikote , Zian Zeng , Zed Sehyr , Naomi Caselli , Jesse Thomason

Continuous sign language recognition (cSLR) is a public significant task that transcribes a sign language video into an ordered gloss sequence. It is important to capture the fine-grained gloss-level details, since there is no explicit…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Pan Xie , Zhi Cui , Yao Du , Mengyi Zhao , Jianwei Cui , Bin Wang , Xiaohui Hu

Research on continuous sign language recognition (CSLR) is essential to bridge the communication gap between deaf and hearing individuals. Numerous previous studies have trained their models using the connectionist temporal classification…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Ronglai Zuo , Fangyun Wei , Brian Mak

Skeleton-based human action recognition has achieved remarkable progress in recent years. However, most existing GCN-based methods rely on short-range motion topologies, which not only struggle to capture long-range joint dependencies and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Ruosi Wang , Fangwei Zuo , Lei Li , Zhaoqiang Xia

Table structure recognition (TSR) aims at extracting tables in images into machine-understandable formats. Recent methods solve this problem by predicting the adjacency relations of detected cell boxes, or learning to generate the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Hangdi Xing , Feiyu Gao , Rujiao Long , Jiajun Bu , Qi Zheng , Liangcheng Li , Cong Yao , Zhi Yu

Sign language recognition (SLR) technology has enormous promise to improve communication and accessibility for the difficulty of hearing. This paper presents a novel approach for identifying gestures in TSL using the YOLOv5 object…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Vipul Reddy. P , Vishnu Vardhan Reddy. B , Sukriti