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Sign Language Translation (SLT) is a core task in the field of AI-assisted disability. Traditional SLT methods are typically based on visible light videos, which are easily affected by factors such as lighting variations, rapid hand…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Shiao Wang , Xiao Wang , Duoqing Yang , Yao Rong , Fuling Wang , Jianing Li , Lin Zhu , Bo Jiang

Sign Language Translation (SLT) aims to convert sign language videos into spoken or written text. While early systems relied on gloss annotations as an intermediate supervision, such annotations are costly to obtain and often fail to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Ozge Mercanoglu Sincan , Richard Bowden

This study presents a novel approach for enhancing American Sign Language (ASL) recognition using Graph Convolutional Networks (GCNs) integrated with successive residual connections. The method leverages the MediaPipe framework to extract…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Ushnish Sarkar , Archisman Chakraborti , Tapas Samanta , Sarbajit Pal , Amitabha Das

The proliferation of several streaming services in recent years has now made it possible for a diverse audience across the world to view the same media content, such as movies or TV shows. While translation and dubbing services are being…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Sudha Krishnamurthy , Vimal Bhat , Abhinav Jain

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 recognition is important for natural and convenient communication between deaf community and hearing majority. We take the highly efficient initial step of automatic fingerspelling recognition system using convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2015-10-15 Byeongkeun Kang , Subarna Tripathi , Truong Q. Nguyen

Sign language is the primary language for many Deaf and Hard-of-Hearing (DHH) signers, yet most conversational AI systems still mediate interaction through spoken or written language. This spoken-language-centered interface can limit access…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Youngmin Kim , Kyobin Choo , Jiwoo Park , Minseo Kim , Chanyoung Kim , Junhyeok Kim , Seong Jae Hwang

Earlier Sign Language Production (SLP) models typically relied on autoregressive methods that generate output tokens one by one, which inherently provide temporal alignment. Although techniques like Teacher Forcing can prevent model…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Maoxiao Ye , Xinfeng Ye , Mano Manoharan

Continuous Sign Language Recognition (CSLR) has achieved remarkable progress in recent years; however, most existing methods are developed under single-view settings and thus remain insufficiently robust to viewpoint variations in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Xu Wang , Shengeng Tang , Wan Jiang , Yaxiong Wang , Lechao Cheng , Richang Hong

Aligning acoustic and linguistic representations is a central challenge to bridge the pre-trained models in knowledge transfer for automatic speech recognition (ASR). This alignment is inherently structured and asymmetric: while multiple…

Computation and Language · Computer Science 2026-03-06 Xugang Lu , Peng Shen , Hisashi Kawai

Sign Language Translation (SLT) has evolved significantly, moving from isolated recognition approaches to complex, continuous gloss-free translation systems. This paper explores the impact of pose-based data preprocessing techniques -…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Tomas Zelezny , Jakub Straka , Vaclav Javorek , Ondrej Valach , Marek Hruz , Ivan Gruber

We study the problem of recognizing video sequences of fingerspelled letters in American Sign Language (ASL). Fingerspelling comprises a significant but relatively understudied part of ASL. Recognizing fingerspelling is challenging for a…

Computation and Language · Computer Science 2016-09-27 Taehwan Kim , Jonathan Keane , Weiran Wang , Hao Tang , Jason Riggle , Gregory Shakhnarovich , Diane Brentari , Karen Livescu

This research paper describes a realtime system for identifying American Sign Language (ASL) movements that employs modern computer vision and machine learning approaches. The suggested method makes use of the Mediapipe library for feature…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Rupesh Kumar , Ashutosh Bajpai , Ayush Sinha

Despite progress in gloss-free Sign Language Translation (SLT), traditional single modality end-to-end approaches consistently fail on two critical components of natural signing: the precise recognition of high-speed fingerspelling and the…

Computation and Language · Computer Science 2025-12-05 Marshall Thomas , Edward Fish , Richard Bowden

Isolated Sign Language Recognition (ISLR) is crucial for scalable sign language technology, yet language-specific approaches limit current models. To address this, we propose a one-shot learning approach that generalises across languages…

Computation and Language · Computer Science 2025-02-28 Toon Vandendriessche , Mathieu De Coster , Annelies Lejon , Joni Dambre

New deep-learning architectures are created every year, achieving state-of-the-art results in image recognition and leading to the belief that, in a few years, complex tasks such as sign language translation will be considerably easier,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Alvaro Leandro Cavalcante Carneiro , Lucas de Brito Silva , Denis Henrique Pinheiro Salvadeo

Sign language translation (SLT) is often decomposed into video-to-gloss recognition and gloss-to-text translation, where a gloss is a sequence of transcribed spoken-language words in the order in which they are signed. We focus here on…

Computation and Language · Computer Science 2021-05-18 Amit Moryossef , Kayo Yin , Graham Neubig , Yoav Goldberg

Word-level sign language recognition (WSLR) is a fundamental task in sign language interpretation. It requires models to recognize isolated sign words from videos. However, annotating WSLR data needs expert knowledge, thus limiting WSLR…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Dongxu Li , Xin Yu , Chenchen Xu , Lars Petersson , Hongdong Li

The objective of this work is the effective extraction of spatial and dynamic features for Continuous Sign Language Recognition (CSLR). To accomplish this, we utilise a two-pathway SlowFast network, where each pathway operates at distinct…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Junseok Ahn , Youngjoon Jang , Joon Son Chung

Bangladeshi Sign Language (BdSL) - like other sign languages - is tough to learn for general people, especially when it comes to expressing letters. In this poster, we propose PerSign, a system that can reproduce a person's image by…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Mohammad Imrul Jubair , Ali Ahnaf , Tashfiq Nahiyan Khan , Ullash Bhattacharjee , Tanjila Joti