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Recent advances in large vision-language models (VLMs) have shown significant promise for 3D scene understanding. Existing VLM-based approaches typically align 3D scene features with the VLM's embedding space. However, this implicit…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Chen Li , Eric Peh , Basura Fernando

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…

Computation and Language · Computer Science 2023-02-14 Lee Kezar , Jesse Thomason , Zed Sevcikova Sehyr

We present a method for recognition of isolated Swedish Sign Language signs. The method will be used in a game intended to help children training signing at home, as a complement to training with a teacher. The target group is not primarily…

Computer Vision and Pattern Recognition · Computer Science 2012-11-19 Saad Akram , Jonas Beskow , Hedvig Kjellstrom

Sign language recognition involves modeling complex multichannel information, such as hand shapes and movements while relying on sufficient sign language-specific data. However, sign languages are often under-resourced, posing a significant…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Hossein Ranjbar , Alireza Taheri

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…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Dejie Yang , Zhu Xu , Xinjie Gao , Yang Liu

The goal of sign language recognition (SLR) is to help those who are hard of hearing or deaf overcome the communication barrier. Most existing approaches can be typically divided into two lines, i.e., Skeleton-based and RGB-based methods,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Xiaolong Shen , Zhedong Zheng , Yi Yang

The goal of continuous sign language recognition(CSLR) research is to apply CSLR models as a communication tool in real life, and the real-time requirement of the models is important. In this paper, we address the model real-time problem…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Qidan Zhu , Jing Li , Fei Yuan , Quan Gan

Isolated Sign Language Recognition (ISLR) approaches primarily rely on RGB data or signer pose information. However, combining these modalities often results in the loss of crucial details, such as hand shape and orientation, due to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Sven Schreiber , Noha Sarhan , Simone Frintrop , Christian Wilms

In recent years, deep learning techniques have been used to develop sign language recognition systems, potentially serving as a communication tool for millions of hearing-impaired individuals worldwide. However, there are inherent…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Alvaro Leandro Cavalcante Carneiro , Denis Henrique Pinheiro Salvadeo , Lucas de Brito Silva

Temporal sentence localization in videos (TSLV) aims to retrieve the most interested segment in an untrimmed video according to a given sentence query. However, almost of existing TSLV approaches suffer from the same limitations: (1) They…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Daizong Liu , Pan Zhou

Video-language embeddings are a promising avenue for injecting semantics into visual representations, but existing methods capture only short-term associations between seconds-long video clips and their accompanying text. We propose HierVL,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Kumar Ashutosh , Rohit Girdhar , Lorenzo Torresani , Kristen Grauman

Current benchmarks for sign language recognition (SLR) focus mainly on isolated SLR, while there are limited datasets for continuous SLR (CSLR), which recognizes sequences of signs in a video. Additionally, existing CSLR datasets are…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Sarah Alyami , Hamzah Luqman , Sadam Al-Azani , Maad Alowaifeer , Yazeed Alharbi , Yaser Alonaizan

Due to the emergence of many sign language datasets, isolated sign language recognition (ISLR) has made significant progress in recent years. In addition, the development of various advanced deep neural networks is another reason for this…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Siyuan Jing , Guangxue Wang , Haoyang Zhai , Qin Tao , Jun Yang , Bing Wang , Peng Jin

The complexity of Sign Language (SL) data processing brings many challenges. The current approach to recognition of SL signs aims to translate RGB sign language videos through pose information into Word-based ID Glosses, which serve to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Sen Fang , Yalin Feng , Chunyu Sui , Hongbin Zhong , Yanxin Zhang , Hongwei Yi , Hezhen Hu , 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

Camera localization methods based on retrieval, local feature matching, and 3D structure-based pose estimation are accurate but require high storage, are slow, and are not privacy-preserving. A method based on scene landmark detection (SLD)…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Tien Do , Sudipta N. Sinha

Word-level sign language recognition (WSLR) has attracted attention because it is expected to overcome the communication barrier between people with speech impairment and those who can hear. In the WSLR problem, a method designed for action…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Mizuki Maruyama , Shrey Singh , Katsufumi Inoue , Partha Pratim Roy , Masakazu Iwamura , Michifumi Yoshioka

It is challenging learning from demonstrated observation-only trajectories in a non-time-aligned environment because most imitation learning methods aim to imitate experts by following the demonstration step-by-step. However, aligned…

Machine Learning · Computer Science 2024-10-30 Shanqi Liu , Junjie Cao , Wenzhou Chen , Licheng Wen , Yong Liu

Spoken language recognition (SLR) refers to the automatic process used to determine the language present in a speech sample. SLR is an important task in its own right, for example, as a tool to analyze or categorize large amounts of…

Computation and Language · Computer Science 2022-08-15 Luciana Ferrer , Diego Castan , Mitchell McLaren , Aaron Lawson

Sign language recognition using computational models is a challenging problem that requires simultaneous spatio-temporal modeling of the multiple sources, i.e. faces, hands, body, etc. In this paper, we propose an isolated sign language…

Computer Vision and Pattern Recognition · Computer Science 2022-02-21 Ozge Mercanoglu Sincan , Hacer Yalim Keles