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Hand gesture serves as a crucial role during the expression of sign language. Current deep learning based methods for sign language understanding (SLU) are prone to over-fitting due to insufficient sign data resource and suffer limited…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Hezhen Hu , Weichao Zhao , Wengang Zhou , Houqiang Li

Sign language is an essential means of communication for millions of people around the world and serves as their primary language. However, most communication tools are developed for spoken and written languages which can cause problems and…

Computation and Language · Computer Science 2024-07-16 Ali Ghadami , Alireza Taheri , Ali Meghdari

In this paper, we propose a set of features called temporal accumulative features (TAF) for representing and recognizing isolated sign language gestures. By incorporating sign language specific constructs to better represent the unique…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Ahmet Alp Kındıroğlu , Oğulcan Özdemir , Lale Akarun

Devices like the Myo armband available in the market today enable us to collect data about the position of a user's hands and fingers over time. We can use these technologies for sign language translation since each sign is roughly a…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Hardie Cate , Fahim Dalvi , Zeshan Hussain

We propose a lightweight real-time sign language detection model, as we identify the need for such a case in videoconferencing. We extract optical flow features based on human pose estimation and, using a linear classifier, show these…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Amit Moryossef , Ioannis Tsochantaridis , Roee Aharoni , Sarah Ebling , Srini Narayanan

Sign language is the primary communication language for people with disabling hearing loss. Sign language recognition (SLR) systems aim to recognize sign gestures and translate them into spoken language. One of the main challenges in SLR is…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Hasan Algafri , Hamzah Luqman , Sarah Alyami , Issam Laradji

Inspired by recent developments in natural language processing, we propose a novel approach to sign language processing based on phonological properties validated by American Sign Language users. By taking advantage of datasets composed of…

Computation and Language · Computer Science 2024-07-25 Federico Tavella , Aphrodite Galata , Angelo Cangelosi

Subtle hand differences make sign language recognition challenging, yet many existing methods rely on encoders pretrained on generic action datasets that poorly capture such fine-grained cues. We propose a self-supervised pretraining method…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Kunyuan Xie , Zhixi Cai , Kalin Stefanov

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

Continuous Sign Language Recognition (CSLR) focuses on the interpretation of a sequence of sign language gestures performed continually without pauses. In this study, we conduct an empirical evaluation of recent deep learning CSLR…

Computation and Language · Computer Science 2024-10-23 Sarah Alyami , Hamzah Luqman

This work presents an approach for recognizing isolated sign language gestures using skeleton-based pose data extracted from video sequences. A Graph-GRU temporal network is proposed to model both spatial and temporal dependencies between…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 B. Mederos , J. Mejía , A. Medina-Reyes , Y. Espinosa-Almeyda , J. D. Díaz-Roman , I. Rodríguez-Mederos , M. Mejía-Carreon , F. Gonzalez-Lopez

This paper proposes an attentional network for the task of Continuous Sign Language Recognition. The proposed approach exploits co-independent streams of data to model the sign language modalities. These different channels of information…

Computer Vision and Pattern Recognition · Computer Science 2021-01-13 Fares Ben Slimane , Mohamed Bouguessa

In this paper, we focus on the task of one-shot sign spotting, i.e. given an example of an isolated sign (query), we want to identify whether/where this sign appears in a continuous, co-articulated sign language video (target). To achieve…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Tao Jiang , Necati Cihan Camgoz , Richard Bowden

We address the problem of automatic American Sign Language fingerspelling recognition from video. Prior work has largely relied on frame-level labels, hand-crafted features, or other constraints, and has been hampered by the scarcity of…

Computation and Language · Computer Science 2019-02-19 Bowen Shi , Karen Livescu

Traditional sign language teaching methods face challenges such as limited feedback and diverse learning scenarios. Although 2D resources lack real-time feedback, classroom teaching is constrained by a scarcity of teacher. Methods based on…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Hongli Wen , Yang Xu , Lin Li , Xudong Ru , Xingce Wang , Zhongke Wu

Hand gesture recognition is an important aspect of human-computer interaction. It forms the basis of sign language for the visually impaired people. This work proposes a novel hand gesture recognizing system for the differently-abled…

Artificial Intelligence · Computer Science 2026-01-14 Subham Sharma , Sharmila Subudhi

American Sign Language recognition is a difficult gesture recognition problem, characterized by fast, highly articulate gestures. These are comprised of arm movements with different hand shapes, facial expression and head movements. Among…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Al Amin Hosain , Panneer Selvam Santhalingam , Parth Pathak , Huzefa Rangwala , Jana Kosecka

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

Recently, there have been efforts to improve the performance in sign language recognition by designing self-supervised learning methods. However, these methods capture limited information from sign pose data in a frame-wise learning manner,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Weichao Zhao , Wengang Zhou , Hezhen Hu , Min Wang , Houqiang Li

Sign language is a visual language that encompasses all linguistic features of natural languages and serves as the primary communication method for the deaf and hard-of-hearing communities. Although many studies have successfully adapted…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Ronglai Zuo , Rolandos Alexandros Potamias , Evangelos Ververas , Jiankang Deng , Stefanos Zafeiriou