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Sign language is a natural and visual form of language that uses movements and expressions to convey meaning, serving as a crucial means of communication for individuals who are deaf or hard-of-hearing (DHH). However, the number of people…

Robotics · Computer Science 2026-02-27 Guanren Qiao , Sixu Lin , Ronglai Zuo , Zhizheng Wu , Kui Jia , Guiliang Liu

Sign Languages are expressed through hand and upper body gestures as well as facial expressions. Therefore, Sign Language Recognition (SLR) needs to focus on all such cues. Previous work uses hand-crafted mechanisms or network aggregation…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Çağrı Gökçe , Oğulcan Özdemir , Ahmet Alp Kındıroğlu , Lale Akarun

Automatic sign language recognition is an open problem that has received a lot of attention recently, not only because of its usefulness to signers, but also due to the numerous applications a sign classifier can have. In this article, we…

Computer Vision and Pattern Recognition · Computer Science 2015-03-20 Lucas Rioux-Maldague , Philippe Giguère

In this project, we have developed a sign language tutor that lets users learn isolated signs by watching recorded videos and by trying the same signs. The system records the user's video and analyses it. If the sign is recognized, both…

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

Over the years, hand gesture recognition has been mostly addressed considering hand trajectories in isolation. However, in most sign languages, hand gestures are defined on a particular context (body region). We propose a pipeline to…

Computer Vision and Pattern Recognition · Computer Science 2016-07-22 Marc Martínez-Camarena , Jose Oramas , Mario Montagud-Climent , Tinne Tuytelaars

Deaf individuals confront significant communication obstacles on a daily basis. Their inability to hear makes it difficult for them to communicate with those who do not understand sign language. Moreover, it presents difficulties in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Velmathi G , Kaushal Goyal

Sign language recognition is a difficult task, yet required for many applications in real-time speed. Using RGB cameras for recognition of sign languages is not very successful in practical situations and accurate 3D imaging requires…

Multimedia · Computer Science 2011-05-05 Morteza Zahedi , Ali Reza Manashty

Sign language recognition (SLR) is a challenging problem, involving complex manual features, i.e., hand gestures, and fine-grained non-manual features (NMFs), i.e., facial expression, mouth shapes, etc. Although manual features are…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Hezhen Hu , Wengang Zhou , Junfu Pu , 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

We present a method for recognition of isolated Swedish Sign Language signs. The method will be used in a game intended to help children training signing at home, as a complement to training with a teacher. The target group is not primarily…

Computer Vision and Pattern Recognition · Computer Science 2012-11-19 Saad Akram , Jonas Beskow , Hedvig Kjellstrom

Sign language recognition is a challenging gesture sequence recognition problem, characterized by quick and highly coarticulated motion. In this paper we focus on recognition of fingerspelling sequences in American Sign Language (ASL)…

Computer Vision and Pattern Recognition · Computer Science 2019-08-29 Bowen Shi , Aurora Martinez Del Rio , Jonathan Keane , Diane Brentari , Greg Shakhnarovich , Karen Livescu

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

Translating written sentences from oral languages to a sequence of manual and non-manual gestures plays a crucial role in building a more inclusive society for deaf and hard-of-hearing people. Facial expressions (non-manual), in particular,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Rafael Azevedo , Thiago Coutinho , João Ferreira , Thiago Gomes , Erickson Nascimento

The need of sign language is increasing radically especially to hearing impaired community. Only few research groups try to automatically recognize sign language from video, colored gloves and etc. Their approach requires a valid…

Computer Vision and Pattern Recognition · Computer Science 2010-01-13 M. Krishnaveni , Dr. V. Radha

Sign languages are natural, visual-gestural languages used by Deaf communities worldwide. Over 300 distinct sign languages remain severely low-resource due to limited documentation, sparse datasets, and insufficient computational tools.…

Computation and Language · Computer Science 2026-05-13 Nigar Alishzade , Gulchin Abdullayeva

Sign Language Recognition (SLR) is an essential yet challenging task since sign language is performed with the fast and complex movement of hand gestures, body posture, and even facial expressions. %Skeleton Aware Multi-modal Sign Language…

Computer Vision and Pattern Recognition · Computer Science 2023-02-17 Maxim Novopoltsev , Leonid Verkhovtsev , Ruslan Murtazin , Dmitriy Milevich , Iuliia Zemtsova

Sign language, which conveys meaning through gestures, is the chief means of communication among deaf people. Recognizing sign language in natural settings presents significant challenges due to factors such as lighting, background clutter,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Bowen Shi

Automatic sign language recognition (SLR) is an important topic within the areas of human-computer interaction and machine learning. On the one hand, it poses a complex challenge that requires the intervention of various knowledge areas,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Franco Ronchetti , Facundo Manuel Quiroga , César Estrebou , Laura Lanzarini , Alejandro Rosete

This project explores methods to enhance sign language translation of German sign language, specifically focusing on disambiguation of homonyms. Sign language is ambiguous and understudied which is the basis for our experiments. We approach…

Computation and Language · Computer Science 2024-09-16 Jana Grimm , Miriam Winkler , Oliver Kraus , Tanalp Agustoslu