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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

Automated road sign recognition is a critical task for intelligent transportation systems, but traditional deep learning methods struggle with the sheer number of sign classes and the impracticality of creating exhaustive labeled datasets.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Minghao Zhu , Zhihao Zhang , Anmol Sidhu , Keith Redmill

Light-weight time-of-flight (ToF) depth sensors are small, cheap, low-energy and have been massively deployed on mobile devices for the purposes like autofocus, obstacle detection, etc. However, due to their specific measurements (depth…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Yijin Li , Xinyang Liu , Wenqi Dong , Han Zhou , Hujun Bao , Guofeng Zhang , Yinda Zhang , Zhaopeng Cui

In this work, we present an efficient approach for capturing sign language in 3D, introduce the 3D-LEX v1.0 dataset, and detail a method for semi-automatic annotation of phonetic properties. Our procedure integrates three motion capture…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Oline Ranum , Gomer Otterspeer , Jari I. Andersen , Robert G. Belleman , Floris Roelofsen

Sign language is a visual language expressed through hand movements and non-manual markers. Non-manual markers include facial expressions and head movements. These expressions vary across different nations. Therefore, specialized analysis…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Yui Tatsumi , Shoko Tanaka , Shunsuke Akamatsu , Takahiro Shindo , Hiroshi Watanabe

This study presents TSLFormer, a light and robust word-level Turkish Sign Language (TSL) recognition model that treats sign gestures as ordered, string-like language. Instead of using raw RGB or depth videos, our method only works with 3D…

Computation and Language · Computer Science 2025-06-19 Kutay Ertürk , Furkan Altınışık , İrem Sarıaltın , Ömer Nezih Gerek

A variety of techniques such as light field, structured illumination, and time-of-flight (TOF) are commonly used for depth acquisition in consumer imaging, robotics and many other applications. Unfortunately, each technique suffers from its…

Computer Vision and Pattern Recognition · Computer Science 2015-09-03 Suren Jayasuriya , Adithya Pediredla , Sriram Sivaramakrishnan , Alyosha Molnar , Ashok Veeraraghavan

In the realm of multimodal communication, sign language is, and continues to be, one of the most understudied areas. In line with recent advances in the field of deep learning, there are far reaching implications and applications that…

Computer Vision and Pattern Recognition · Computer Science 2017-11-21 Vivek Bheda , Dianna Radpour

Sign language is the fundamental communication method among people who suffer from speech and hearing defects. The rest of the world doesn't have a clear idea of sign language. "Sign Language Communicator" (SLC) is designed to solve the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Matheesha Fernando , Janaka Wijayanayake

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

Fingerspelling is a critical part of American Sign Language (ASL) recognition and has become an accessible optional text entry method for Deaf and Hard of Hearing (DHH) individuals. In this paper, we introduce SpellRing, a single smart ring…

Time of Flight ToF cameras renowned for their ability to capture realtime 3D information have become indispensable for agile mobile robotics These cameras utilize light signals to accurately measure distances enabling robots to navigate…

Image and Video Processing · Electrical Eng. & Systems 2024-12-20 Yuke Cai , Davide Plozza , Steven Marty , Paul Joseph , Michele Magno

One of the factors that have hindered progress in the areas of sign language recognition, translation, and production is the absence of large annotated datasets. Towards this end, we introduce How2Sign, a multimodal and multiview continuous…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Amanda Duarte , Shruti Palaskar , Lucas Ventura , Deepti Ghadiyaram , Kenneth DeHaan , Florian Metze , Jordi Torres , Xavier Giro-i-Nieto

Fingerspelling in sign language has been the means of communicating technical terms and proper nouns when they do not have dedicated sign language gestures. Automatic recognition of fingerspelling can help resolve communication barriers…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Kamala Gajurel , Cuncong Zhong , Guanghui Wang

Recent progress in fine-grained gesture and action classification, and machine translation, point to the possibility of automated sign language recognition becoming a reality. A key stumbling block in making progress towards this goal is a…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Samuel Albanie , Gül Varol , Liliane Momeni , Triantafyllos Afouras , Joon Son Chung , Neil Fox , Andrew Zisserman

This research explores using lightweight deep neural network architectures to enable the humanoid robot Pepper to understand American Sign Language (ASL) and facilitate non-verbal human-robot interaction. First, we introduce a lightweight…

Robotics · Computer Science 2023-10-02 JongYoon Lim , Inkyu Sa , Bruce MacDonald , Ho Seok Ahn

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

Technological advancements and innovations are advancing our daily life in all the ways possible but there is a larger section of society who are deprived of accessing the benefits due to their physical inabilities. To reap the real…

Computation and Language · Computer Science 2024-05-14 Abhinand K. , Abhiram B. Nair , Dhananjay C. , Hanan Hamza , Mohammed Fawaz J. , Rahma Fahim K. , Anoop V. S

Recognition of handwritten words continues to be an important problem in document analysis and recognition. Existing approaches extract hand-engineered features from word images--which can perform poorly with new data sets. Recently, deep…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

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