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Continuous Sign Language Recognition (CSLR) is a crucial task for understanding the languages of deaf communities. Contemporary keypoint-based approaches typically rely on spatio-temporal encoding, where spatial interactions among keypoints…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Suvajit Patra , Soumitra Samanta

Gloss-free sign language translation (SLT) aims to develop well-performing SLT systems with no requirement for the costly gloss annotations, but currently still lags behind gloss-based approaches significantly. In this paper, we identify a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Jinhui Ye , Xing Wang , Wenxiang Jiao , Junwei Liang , Hui Xiong

Current sequential recommender systems are proposed to tackle the dynamic user preference learning with various neural techniques, such as Transformer and Graph Neural Networks (GNNs). However, inference from the highly sparse user behavior…

Information Retrieval · Computer Science 2023-03-22 Yuhao Yang , Chao Huang , Lianghao Xia , Chunzhen Huang , Da Luo , Kangyi Lin

Despite recent success, most contrastive self-supervised learning methods are domain-specific, relying heavily on data augmentation techniques that require knowledge about a particular domain, such as image cropping and rotation. To…

Machine Learning · Computer Science 2021-07-21 Vikas Verma , Minh-Thang Luong , Kenji Kawaguchi , Hieu Pham , Quoc V. Le

Exploring large-scale pretrained foundation models is of significant interest in computer vision because these models can be quickly transferred to many downstream tasks. This paper presents Contrastive Captioner (CoCa), a minimalist design…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Jiahui Yu , Zirui Wang , Vijay Vasudevan , Legg Yeung , Mojtaba Seyedhosseini , Yonghui Wu

Although Contrastive Language-Image Pre-training (CLIP) exhibits strong performance across diverse vision tasks, its application to person representation learning faces two critical challenges: (i) the scarcity of large-scale annotated…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Tianlu Zheng , Yifan Zhang , Xiang An , Ziyong Feng , Kaicheng Yang , Qichuan Ding

Recently, deep end-to-end learning has been studied for intent classification in Spoken Language Understanding (SLU). However, end-to-end models require a large amount of speech data with intent labels, and highly optimized models are…

Computation and Language · Computer Science 2024-05-27 Suyoung Kim , Jiyeon Hwang , Ho-Young Jung

Whilst contrastive learning has recently brought notable benefits to deep clustering of unlabelled images by learning sample-specific discriminative visual features, its potential for explicitly inferring class decision boundaries is less…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Jiabo Huang , Shaogang Gong

Canonical Correlation Analysis (CCA) is widely used for multimodal data analysis and, more recently, for discriminative tasks such as multi-view learning; however, it makes no use of class labels. Recent CCA methods have started to address…

Machine Learning · Computer Science 2019-07-19 Heather D. Couture , Roland Kwitt , J. S. Marron , Melissa Troester , Charles M. Perou , Marc Niethammer

Representation learning has significantly been developed with the advance of contrastive learning methods. Most of those methods have benefited from various data augmentations that are carefully designated to maintain their identities so…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Xiao Wang , Guo-Jun Qi

Medical vision-language alignment through cross-modal contrastive learning shows promising performance in image-text matching tasks, such as retrieval and zero-shot classification. However, conventional cross-modal contrastive learning…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Chenyu Lian , Hong-Yu Zhou , Dongyun Liang , Jing Qin , Liansheng Wang

Multimodal alignment between language and vision is the fundamental topic in current vision-language model research. Contrastive Captioners (CoCa), as a representative method, integrates Contrastive Language-Image Pretraining (CLIP) and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Ziping Ma , Furong Xu , Jian Liu , Ming Yang , Qingpei Guo

Source-Free Domain Adaptation (SFDA) tackles the problem of adapting a pre-trained source model to an unlabeled target domain without accessing any source data, which is quite suitable for the field of data security. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Shanshan Wang , Ziying Feng , Xiaozheng Shen , Xun Yang , Pichao Wang , Zhenwei He , Xingyi Zhang

Cross-modal retrieval (CMR) has been extensively applied in various domains, such as multimedia search engines and recommendation systems. Most existing CMR methods focus on image-to-text retrieval, whereas audio-to-text retrieval, a less…

Sound · Computer Science 2023-09-19 Kaiyi Luo , Xulong Zhang , Jianzong Wang , Huaxiong Li , Ning Cheng , Jing Xiao

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

Representation learning has been increasing its impact on the research and practice of machine learning, since it enables to learn representations that can apply to various downstream tasks efficiently. However, recent works pay little…

In current multimodal tasks, models typically freeze the encoder and decoder while adapting intermediate layers to task-specific goals, such as region captioning. Region-level visual understanding presents significant challenges for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Yuan Sun , Zhao Zhang , Jorge Ortiz

Vision-language models (VLMs) offer flexible object detection through natural language prompts but suffer from performance variability depending on prompt phrasing. In this paper, we introduce a method for automated prompt refinement using…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Lucas Choi , Ross Greer

Contrastive learning has nearly closed the gap between supervised and self-supervised learning of image representations, and has also been explored for videos. However, prior work on contrastive learning for video data has not explored the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Ishan Dave , Rohit Gupta , Mamshad Nayeem Rizve , Mubarak Shah

Generalized Zero-Shot Learning (GZSL) aims to recognize both seen and unseen classes by training only the seen classes, in which the instances of unseen classes tend to be biased towards the seen class. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Yi Gao , Chenwei Tang , Jiancheng Lv