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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…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Amit Moryossef , Ioannis Tsochantaridis , Roee Aharoni , Sarah Ebling , Srini Narayanan

Continuous sign language recognition (CSLR) aims to transcribe untrimmed videos into glosses, which are typically textual words. Recent studies indicate that the lack of large datasets and precise annotations has become a bottleneck for…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Dejie Yang , Zhu Xu , Xinjie Gao , Yang Liu

Continuous Sign Language Recognition (CSLR) faces multiple challenges, including significant inter-signer variability and poor generalization to novel sentence structures. Traditional solutions frequently fail to handle these issues…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Md Rezwanul Haque , Md. Milon Islam , S M Taslim Uddin Raju , Fakhri Karray

Most deep-learning-based continuous sign language recognition (CSLR) models share a similar backbone consisting of a visual module, a sequential module, and an alignment module. However, due to limited training samples, a connectionist…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Ronglai Zuo , Brian Mak

Visual Automatic Speech Recognition (V-ASR) is a challenging task that involves interpreting spoken language solely from visual information, such as lip movements and facial expressions. This task is notably challenging due to the absence…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Matthew Kit Khinn Teng , Haibo Zhang , Takeshi Saitoh

This paper introduces an open-source interface for American Sign Language fingerspell recognition and semantic pose retrieval, aimed to serve as a stepping stone towards more advanced sign language translation systems. Utilizing a…

计算与语言 · 计算机科学 2024-08-20 Kevin Jose Thomas

Sign language recognition from sequences of monocular images or 2D poses is a challenging field, not only due to the difficulty to infer 3D information from 2D data, but also due to the temporal relationship between the sequences of…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Silvan Ferreira , Esdras Costa , Márcio Dahia , Jampierre Rocha

Most sign language translation (SLT) methods to date require the use of gloss annotations to provide additional supervision information, however, the acquisition of gloss is not easy. To solve this problem, we first perform an analysis of…

计算机视觉与模式识别 · 计算机科学 2023-07-17 Aoxiong Yin , Tianyun Zhong , Li Tang , Weike Jin , Tao Jin , Zhou Zhao

Sign language is a visual language that enhances communication between people and is frequently used as the primary form of communication by people with hearing loss. Even so, not many people with hearing loss use sign language, and they…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Rupesh Kumar , Ayush Sinha , Ashutosh Bajpai , S. K Singh

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…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Sobhan Asasi , Mohamed Ilyas Lakhal , Ozge Mercanoglu Sincan , Richard Bowden

As part of the development of an educational tool that can help students achieve fluency in American Sign Language (ASL) through independent and interactive practice with immediate feedback, this paper introduces a near real-time system to…

计算机视觉与模式识别 · 计算机科学 2020-05-04 Elahe Vahdani , Longlong Jing , Yingli Tian , Matt Huenerfauth

Surgical phase recognition from video is a technology that automatically classifies the progress of a surgical procedure and has a wide range of potential applications, including real-time surgical support, optimization of medical…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Satoshi Kondo

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)…

计算机视觉与模式识别 · 计算机科学 2019-08-29 Bowen Shi , Aurora Martinez Del Rio , Jonathan Keane , Diane Brentari , Greg Shakhnarovich , Karen Livescu

Sign language video generation requires producing natural signing motions with realistic appearances under precise semantic control, yet faces two critical challenges: excessive signer-specific data requirements and poor generalization. We…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Jiayi He , Xu Wang , Shengeng Tang , Yaxiong Wang , Lechao Cheng , Dan Guo

Sign Language Translation (SLT) aims to map sign language videos to spoken language text. A common approach relies on gloss annotations as an intermediate representation, decomposing SLT into two sub-tasks: video-to-gloss recognition and…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Jianyuan Guo , Peike Li , Trevor Cohn

We use insights from research on American Sign Language (ASL) phonology to train models for isolated sign language recognition (ISLR), a step towards automatic sign language understanding. Our key insight is to explicitly recognize the role…

计算与语言 · 计算机科学 2023-02-14 Lee Kezar , Jesse Thomason , Zed Sevcikova Sehyr

This paper presents an in-depth analysis of various self-supervision methods for isolated sign language recognition (ISLR). We consider four recently introduced transformer-based approaches to self-supervised learning from videos, and four…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Marcelo Sandoval-Castaneda , Yanhong Li , Diane Brentari , Karen Livescu , Gregory Shakhnarovich

Prior work on Sign Language Translation has shown that having a mid-level sign gloss representation (effectively recognizing the individual signs) improves the translation performance drastically. In fact, the current state-of-the-art in…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Necati Cihan Camgoz , Oscar Koller , Simon Hadfield , Richard Bowden

Sign language translation (SLT) is a challenging task that involves translating sign language images into spoken language. For SLT models to perform this task successfully, they must bridge the modality gap and identify subtle variations in…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Jungeun Kim , Hyeongwoo Jeon , Jongseong Bae , Ha Young Kim

Recent advances in tracking sensors and pose estimation software enable smart systems to use trajectories of skeleton joint locations for supervised learning. We study the problem of accurately recognizing sign language words, which is key…

计算机视觉与模式识别 · 计算机科学 2022-02-04 Joachim Gudmundsson , Martin P. Seybold , John Pfeifer