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Sign Language Translation (SLT) attempts to convert sign language videos into spoken sentences. However, many existing methods struggle with the disparity between visual and textual representations during end-to-end learning. Gloss-based…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Sobhan Asasi , Mohamed Ilyes Lakhal , Richard Bowden

It is common practice to represent spoken languages at their phonetic level. However, for sign languages, this implies breaking motion into its constituent motion primitives. Avatar based Sign Language Production (SLP) has traditionally…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Ben Saunders , Necati Cihan Camgoz , Richard Bowden

In this paper, we perform an exhaustive evaluation of different representations to address the intent classification problem in a Spoken Language Understanding (SLU) setup. We benchmark three types of systems to perform the SLU intent…

Phonetic representations are used when recording spoken languages, but no equivalent exists for recording signed languages. As a result, linguists have proposed several annotation systems that operate on the gloss or sub-unit level;…

Computation and Language · Computer Science 2024-04-18 Harry Walsh , Abolfazl Ravanshad , Mariam Rahmani , Richard Bowden

Sign language recognition (SLR) facilitates communication between deaf and hearing individuals. Deep learning is widely used to develop SLR-based systems; however, it is computationally intensive and requires substantial computational…

Robotics · Computer Science 2025-12-24 Nitin Kumar Singh , Arie Rachmad Syulistyo , Yuichiro Tanaka , Hakaru Tamukoh

Automating sign language translation (SLT) is a challenging real world application. Despite its societal importance, though, research progress in the field remains rather poor. Crucially, existing methods that yield viable performance…

Computation and Language · Computer Science 2021-10-04 Andreas Voskou , Konstantinos P. Panousis , Dimitrios Kosmopoulos , Dimitris N. Metaxas , Sotirios Chatzis

In this paper, we tackle the problem of sign language translation (SLT) without gloss annotations. Although intermediate representation like gloss has been proven effective, gloss annotations are hard to acquire, especially in large…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Kezhou Lin , Xiaohan Wang , Linchao Zhu , Ke Sun , Bang Zhang , Yi Yang

Sign language translation as a kind of technology with profound social significance has attracted growing researchers' interest in recent years. However, the existing sign language translation methods need to read all the videos before…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Aoxiong Yin , Zhou Zhao , Jinglin Liu , Weike Jin , Meng Zhang , Xingshan Zeng , Xiaofei He

Conventional spoken language translation (SLT) systems are pipeline based systems, where we have an Automatic Speech Recognition (ASR) system to convert the modality of source from speech to text and a Machine Translation (MT) systems to…

Hallucination, where models generate fluent text unsupported by visual evidence, remains a major flaw in vision-language models and is particularly critical in sign language translation (SLT). In SLT, meaning depends on precise grounding in…

Accurate sign language understanding serves as a crucial communication channel for individuals with disabilities. Current sign language translation algorithms predominantly rely on RGB frames, which may be limited by fixed frame rates,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Xiao Wang , Yuehang Li , Fuling Wang , Bo Jiang , Yaowei Wang , Yonghong Tian , Jin Tang , Bin Luo

Hand pose estimation (HPE) is a task that predicts and describes the hand poses from images or video frames. When HPE models estimate hand poses captured in a laboratory or under controlled environments, they normally deliver good…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Muxin Pu , Chun Yong Chong , Mei Kuan Lim

Automatic Sign Language Recognition (ASLR) has emerged as a vital field for bridging the gap between deaf and hearing communities. However, the problem of sign-to-sign retrieval or detecting a specific sign within a sequence of continuous…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Samuel Ebimobowei Johnny , Blessed Guda , Emmanuel Enejo Aaron , Assane Gueye

Continuously recognizing sign gestures and converting them to glosses plays a key role in bridging the gap between the hearing and hearing-impaired communities. This involves recognizing and interpreting the hands, face, and body gestures…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Samuel Ebimobowei Johnny , Blessed Guda , Andrew Blayama Stephen , Assane Gueye

Sign Language Translation (SLT) is a challenging task that requires bridging the modality gap between visual and linguistic information while capturing subtle variations in hand shapes and movements. To address these challenges, we…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Sobhan Asasi , Mohamed Ilyas Lakhal , Ozge Mercanoglu Sincan , Richard Bowden

Human pose estimators are typically retrained from scratch or naively fine-tuned whenever keypoint sets, sensing modalities, or deployment domains change--an inefficient, compute-intensive practice that rarely matches field constraints. We…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Muhammad Saif Ullah Khan , Didier Stricker

Sign Language Production (SLP) is the process of converting the complex input text into a real video. Most previous works focused on the Text2Gloss, Gloss2Pose, Pose2Vid stages, and some concentrated on Prompt2Gloss and Text2Avatar stages.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Sen Fang , Yalin Feng , Hongbin Zhong , Yanxin Zhang , Dimitris N. Metaxas

Sign languages are the language of hearing-impaired people who use visuals like the hand, facial, and body movements for communication. There are different signs and gestures representing alphabets, words, and phrases. Nowadays…

Machine Learning · Computer Science 2024-11-08 Sharvani Srivastava , Sudhakar Singh , Pooja , Shiv Prakash

Human Pose Estimation (HPE) involves detecting and localizing keypoints on the human body from visual data. In 3D HPE, occlusions, where parts of the body are not visible in the image, pose a significant challenge for accurate pose…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Filipa Lino , Carlos Santiago , Manuel Marques

Human pose estimation (HPE) is a central part of understanding the visual narration and body movements of characters depicted in artwork collections, such as Greek vase paintings. Unfortunately, existing HPE methods do not generalise well…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Prathmesh Madhu , Angel Villar-Corrales , Ronak Kosti , Torsten Bendschus , Corinna Reinhardt , Peter Bell , Andreas Maier , Vincent Christlein