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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

Self-supervised vision-language pretraining from pure images and text with a contrastive loss is effective, but ignores fine-grained alignment due to a dual-stream architecture that aligns image and text representations only on a global…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Zaid Khan , Vijay Kumar BG , Xiang Yu , Samuel Schulter , Manmohan Chandraker , Yun Fu

Self-supervised representation learning for human action recognition has developed rapidly in recent years. Most of the existing works are based on skeleton data while using a multi-modality setup. These works overlooked the differences in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Yiping Wei , Kunyu Peng , Alina Roitberg , Jiaming Zhang , Junwei Zheng , Ruiping Liu , Yufan Chen , Kailun Yang , Rainer Stiefelhagen

Unsupervised pre-training is now the predominant approach for both text and speech understanding. Self-attention models pre-trained on large amounts of unannotated data have been hugely successful when fine-tuned on downstream tasks from a…

Computation and Language · Computer Science 2021-10-22 Ankur Bapna , Yu-an Chung , Nan Wu , Anmol Gulati , Ye Jia , Jonathan H. Clark , Melvin Johnson , Jason Riesa , Alexis Conneau , Yu Zhang

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

Continual learning (CL) aims to equip models with the ability to learn from a stream of tasks without forgetting previous knowledge. With the progress of vision-language models like Contrastive Language-Image Pre-training (CLIP), their…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Lingfeng He , De Cheng , Di Xu , Huaijie Wang , Nannan Wang

Hand gesture-based Sign Language Recognition (SLR) serves as a crucial communication bridge between deaf and non-deaf individuals. While Graph Convolutional Networks (GCNs) are common, they are limited by their reliance on fixed skeletal…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Koki Hirooka , Abu Saleh Musa Miah , Tatsuya Murakami , Md. Al Mehedi Hasan , Yong Seok Hwang , Jungpil Shin

Multimodal pre-training with text, layout, and image has achieved SOTA performance for visually-rich document understanding tasks recently, which demonstrates the great potential for joint learning across different modalities. In this…

Computation and Language · Computer Science 2021-09-10 Yiheng Xu , Tengchao Lv , Lei Cui , Guoxin Wang , Yijuan Lu , Dinei Florencio , Cha Zhang , Furu Wei

Discovering materials with desirable properties in an efficient way remains a significant problem in materials science. Many studies have tackled this problem by using different sets of information available about the materials. Among them,…

Materials Science · Physics 2025-03-04 Onur Boyar , Indra Priyadarsini , Seiji Takeda , Lisa Hamada

Recent advancements in self-supervised learning have led to powerful surgical vision encoders capable of spatiotemporal understanding. However, extending these visual foundations to multi-modal reasoning tasks is severely bottlenecked by…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Chengan Che , Chao Wang , Jiayuan Huang , Xinyue Chen , Luis C. Garcia-Peraza-Herrera

Spoken language understanding (SLU) is a key component of task-oriented dialogue systems. SLU parses natural language user utterances into semantic frames. Previous work has shown that incorporating context information significantly…

Computation and Language · Computer Science 2020-03-04 Qian Chen , Zhu Zhuo , Wen Wang , Qiuyun Xu

Signed languages are visual languages produced by the movement of the hands, face, and body. In this paper, we evaluate representations based on skeleton poses, as these are explainable, person-independent, privacy-preserving,…

Understanding intricate and fast-paced movements of body parts is essential for the recognition and translation of sign language. The inclusion of additional information intended to identify and locate the moving body parts has been an…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Zaber Ibn Abdul Hakim , Rasman Mubtasim Swargo , Muhammad Abdullah Adnan

Multimodal human action recognition based on RGB and skeleton data fusion, while effective, is constrained by significant limitations such as high computational complexity, excessive memory consumption, and substantial energy demands,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Naichuan Zheng , Hailun Xia , Zeyu Liang , Yuchen Du

A primary challenge in large language model (LLM) development is their onerous pre-training cost. Typically, such pre-training involves optimizing a self-supervised objective (such as next-token prediction) over a large corpus. This paper…

With recent progress in joint modeling of visual and textual representations, Vision-Language Pretraining (VLP) has achieved impressive performance on many multimodal downstream tasks. However, the requirement for expensive annotations…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Zirui Wang , Jiahui Yu , Adams Wei Yu , Zihang Dai , Yulia Tsvetkov , Yuan Cao

Skeleton-based action recognition has attracted lots of research attention. Recently, to build an accurate skeleton-based action recognizer, a variety of works have been proposed. Among them, some works use large model architectures as…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Haoxuan Qu , Yujun Cai , Jun Liu

Understanding social interactions from visual cues is a fundamental challenge for a socially competent AI. While powerful pre-trained vision-language models (VLMs) have shown remarkable general capabilities, they surprisingly struggle to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Hamza Tahboub , Weiyan Shi , Gang Hua , Huaizu Jiang

End-to-end Spoken Language Understanding (SLU) models are made increasingly large and complex to achieve the state-ofthe-art accuracy. However, the increased complexity of a model can also introduce high risk of over-fitting, which is a…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-14 Xueli Jia , Jianzong Wang , Zhiyong Zhang , Ning Cheng , Jing Xiao

Automatic sign language recognition (SLR) has become a key enabler of inclusive human-computer interaction, fostering seamless communication between deaf individuals and hearing communities. Despite significant advances in multimodal…

Human-Computer Interaction · Computer Science 2026-05-08 Xiaofang Xiao , Guangchao Li , Guangrong Zhao , Qi Lin , Wen Ma , Hongkai Wen , Yanxiang Wang , Yiran Shen