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Sign language recognition is a challenging and often underestimated problem comprising multi-modal articulators (handshape, orientation, movement, upper body and face) that integrate asynchronously on multiple streams. Learning powerful…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Hamid Reza Vaezi Joze , Oscar Koller

Systems that can efficiently search collections of sign language videos have been highlighted as a useful application of sign language technology. However, the problem of searching videos beyond individual keywords has received limited…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Amanda Duarte , Samuel Albanie , Xavier Giró-i-Nieto , Gül Varol

This research explores the positive application of deepfake technology for upper body generation, specifically sign language for the Deaf and Hard of Hearing (DHoH) community. Given the complexity of sign language and the scarcity of…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Shahzeb Naeem , Muhammad Riyyan Khan , Usman Tariq , Abhinav Dhall , Carlos Ivan Colon , Hasan Al-Nashash

This paper presents a system which can recognise hand poses & gestures from the Indian Sign Language (ISL) in real-time using grid-based features. This system attempts to bridge the communication gap between the hearing and speech impaired…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Kartik Shenoy , Tejas Dastane , Varun Rao , Devendra Vyavaharkar

Visual localization is a useful alternative to standard localization techniques. It works by utilizing cameras. In a typical scenario, features are extracted from captured images and compared with geo-referenced databases. Location…

计算机视觉与模式识别 · 计算机科学 2020-06-28 Li Weng , Valerie Gouet-Brunet , Bahman Soheilian

Sign language lexicographers construct bilingual dictionaries by establishing word-to-sign mappings, where polysemous and homonymous words corresponding to different signs across contexts are often underrepresented. A usage-based approach…

计算与语言 · 计算机科学 2026-02-17 Melis Çelikkol , Wei Zhao

In this paper, a comparative experimental assessment of computer vision-based methods for sign language recognition is conducted. By implementing the most recent deep neural network methods in this field, a thorough evaluation on multiple…

Most sign language recognition research relies on Transfer Learning (TL) from vision-based datasets such as ImageNet. Some extend this to alternatively available language datasets, often focusing on signs with cross-linguistic similarities.…

计算与语言 · 计算机科学 2026-03-05 Keren Artiaga , Conor Lynch , Haithem Afli , Mohammed Hasanuzzaman

Fingerspelling, in which words are signed letter by letter, is an important component of American Sign Language. Most previous work on automatic fingerspelling recognition has assumed that the boundaries of fingerspelling regions in signing…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Bowen Shi , Diane Brentari , Greg Shakhnarovich , Karen Livescu

Independent Sign Language Recognition is a complex visual recognition problem that combines several challenging tasks of Computer Vision due to the necessity to exploit and fuse information from hand gestures, body features and facial…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Agelos Kratimenos , Georgios Pavlakos , Petros Maragos

Existing Sign Language Learning applications focus on the demonstration of the sign in the hope that the student will copy a sign correctly. In these cases, only a teacher can confirm that the sign was completed correctly, by reviewing a…

机器学习 · 计算机科学 2024-12-25 Nikita Louison , Wayne Goodridge , Koffka Khan

Sign language serves as the primary meaning of communication for the deaf-mute community. Different from spoken language, it commonly conveys information by the collaboration of manual features, i.e., hand gestures and body movements, and…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Wengang Zhou , Weichao Zhao , Hezhen Hu , Zecheng Li , Houqiang Li

We introduce a method for transferring the signer's appearance in sign language skeletal poses while preserving the sign content. Using estimated poses, we transfer the appearance of one signer to another, maintaining natural movements and…

计算机视觉与模式识别 · 计算机科学 2025-04-30 Amit Moryossef , Gerard Sant , Zifan Jiang

Sign language translation from text to video plays a crucial role in enabling effective communication for Deaf and hard--of--hearing individuals. A major challenge lies in generating accurate and natural body poses and movements that…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Zetian Wu , Tianshuo Zhou , Stefan Lee , Liang Huang

Sign language pre-training has gained increasing attention for its ability to enhance performance across various sign language understanding (SLU) tasks. However, existing methods often suffer from a gap between pre-training and…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Zecheng Li , Wengang Zhou , Weichao Zhao , Kepeng Wu , Hezhen Hu , Houqiang Li

Common and important applications of person identification occur at distances and viewpoints in which the face is not visible or is not sufficiently resolved to be useful. We examine body shape as a biometric across distance and viewpoint…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Blake A. Myers , Lucas Jaggernauth , Thomas M. Metz , Matthew Q. Hill , Veda Nandan Gandi , Carlos D. Castillo , Alice J. O'Toole

It has recently been discovered that using a pre-trained vision-language model (VLM), e.g., CLIP, to align a whole query image with several finer text descriptions generated by a large language model can significantly enhance zero-shot…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Jinhao Li , Haopeng Li , Sarah Erfani , Lei Feng , James Bailey , Feng Liu

Location retrieval based on visual information is to retrieve the location of an agent (e.g. human, robot) or the area they see by comparing the observations with a certain form of representation of the environment. Existing methods…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Lijun Wei , Valerie Gouet-Brunet , Anthony Cohn

In this paper, we introduce a neural rendering pipeline for transferring the facial expressions, head pose, and body movements of one person in a source video to another in a target video. We apply our method to the challenging case of Sign…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Christina O. Tze , Panagiotis P. Filntisis , Athanasia-Lida Dimou , Anastasios Roussos , Petros Maragos

It has always been a rather tough task to communicate with someone possessing a hearing impairment. One of the most tested ways to establish such a communication is through the use of sign based languages. However, not many people are aware…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Sharanya Mukherjee , Md Hishaam Akhtar , Kannadasan R