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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…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Wengang Zhou , Weichao Zhao , Hezhen Hu , Zecheng Li , Houqiang Li

Sign language recognition (SLR) is a weakly supervised task that annotates sign videos as textual glosses. Recent studies show that insufficient training caused by the lack of large-scale available sign datasets becomes the main bottleneck…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Jiangbin Zheng , Yile Wang , Cheng Tan , Siyuan Li , Ge Wang , Jun Xia , Yidong Chen , Stan Z. Li

Sign Language Translation (SLT) aims to automatically convert visual sign language videos into spoken language text and vice versa. While recent years have seen rapid progress, the true sources of performance improvements often remain…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Ozge Mercanoglu Sincan , Jian He Low , Sobhan Asasi , Richard Bowden

Our aim is to develop a unified model for sign language understanding, that performs sign language translation (SLT) and sign-subtitle alignment (SSA). Together, these two tasks enable the conversion of continuous signing videos into spoken…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Youngjoon Jang , Liliane Momeni , Zifan Jiang , Joon Son Chung , Gül Varol , Andrew Zisserman

State-of-the-art sign language translation (SLT) systems facilitate the learning process through gloss annotations, either in an end2end manner or by involving an intermediate step. Unfortunately, gloss labelled sign language data is…

Computation and Language · Computer Science 2025-10-23 Yasser Hamidullah , Josef van Genabith , Cristina España-Bonet

Pretrained language models such as BERT, GPT have shown great effectiveness in language understanding. The auxiliary predictive tasks in existing pretraining approaches are mostly defined on tokens, thus may not be able to capture…

Computation and Language · Computer Science 2020-06-19 Hongchao Fang , Sicheng Wang , Meng Zhou , Jiayuan Ding , Pengtao Xie

Sign language recognition and translation first uses a recognition module to generate glosses from sign language videos and then employs a translation module to translate glosses into spoken sentences. Most existing works focus on the…

Computation and Language · Computer Science 2023-05-26 Yong Cao , Wei Li , Xianzhi Li , Min Chen , Guangyong Chen , Long Hu , Zhengdao Li , Hwang Kai

The people in the world who are hearing impaired face many obstacles in communication and require an interpreter to comprehend what a person is saying. There has been constant scientific research and the existing models lack the ability to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Shubham Thakar , Samveg Shah , Bhavya Shah , Anant V. Nimkar

Sign language translation (SLT) aims to translate natural language from sign language videos, serving as a vital bridge for inclusive communication. While recent advances leverage powerful visual backbones and large language models, most…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Wenfang Wu , Tingting Yuan , Yupeng Li , Daling Wang , Xiaoming Fu

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

Sign languages, used by around 70 million Deaf individuals globally, are visual languages that convey visual and contextual information. Current methods in vision-based sign language recognition (SLR) and translation (SLT) struggle with…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Yuqi Liu , Wenqian Zhang , Sihan Ren , Chengyu Huang , Jingyi Yu , Lan Xu

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

Gloss-free sign language translation (SLT) is hindered by two key challenges: **inadequate sign representation** that fails to capture nuanced visual cues, and **sentence-level semantic misalignment** in current LLM-based methods, which…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Zhi Rao , Yucheng Zhou , Benjia Zhou , Yiqing Huang , Sergio Escalera , Jun Wan

Sign Language Translation (SLT) is a task that has not been studied relatively much compared to the study of Sign Language Recognition (SLR). However, the SLR is a study that recognizes the unique grammar of sign language, which is…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Youngmin Kim , Minji Kwak , Dain Lee , Yeongeun Kim , Hyeongboo Baek

Low-frequency word prediction remains a challenge in modern neural machine translation (NMT) systems. Recent adaptive training methods promote the output of infrequent words by emphasizing their weights in the overall training objectives.…

Computation and Language · Computer Science 2021-12-30 Tong Zhang , Wei Ye , Baosong Yang , Long Zhang , Xingzhang Ren , Dayiheng Liu , Jinan Sun , Shikun Zhang , Haibo Zhang , Wen Zhao

Cross-language pre-trained models such as multilingual BERT (mBERT) have achieved significant performance in various cross-lingual downstream NLP tasks. This paper proposes a multi-level contrastive learning (ML-CTL) framework to further…

Computation and Language · Computer Science 2022-03-01 Beiduo Chen , Wu Guo , Bin Gu , Quan Liu , Yongchao Wang

Supervised learning in Neural Machine Translation (NMT) typically follows a teacher forcing paradigm where reference tokens constitute the conditioning context in the model's prediction, instead of its own previous predictions. In order to…

Computation and Language · Computer Science 2023-07-18 Nathaniel Berger , Miriam Exel , Matthias Huck , Stefan Riezler

Sign Language Translation (SLT) converts sign language videos into spoken-language text, bridging communication between Deaf and hearing communities. Current gloss-free approaches rely on large encoder-decoder models, limiting deployment.…

Computation and Language · Computer Science 2026-05-12 Kuanwei Chen , Mengfeng Tsai

Despite the great success of spoken language understanding (SLU) in high-resource languages, it remains challenging in low-resource languages mainly due to the lack of labeled training data. The recent multilingual code-switching approach…

Computation and Language · Computer Science 2022-10-26 Shining Liang , Linjun Shou , Jian Pei , Ming Gong , Wanli Zuo , Xianglin Zuo , Daxin Jiang

Due to high data demands of current methods, attention to zero-shot cross-lingual spoken language understanding (SLU) has grown, as such approaches greatly reduce human annotation effort. However, existing models solely rely on shared…

Computation and Language · Computer Science 2022-04-19 Libo Qin , Qiguang Chen , Tianbao Xie , Qixin Li , Jian-Guang Lou , Wanxiang Che , Min-Yen Kan