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The rapid growth of social media has resulted in an explosion of online news content, leading to a significant increase in the spread of misleading or false information. While machine learning techniques have been widely applied to detect…

计算与语言 · 计算机科学 2024-12-10 Hao Chen , Hui Guo , Baochen Hu , Shu Hu , Jinrong Hu , Siwei Lyu , Xi Wu , Xin Wang

The pre-training models such as BERT have achieved great results in various natural language processing problems. However, a large number of parameters need significant amounts of memory and the consumption of inference time, which makes it…

计算与语言 · 计算机科学 2020-12-15 Hao Fu , Shaojun Zhou , Qihong Yang , Junjie Tang , Guiquan Liu , Kaikui Liu , Xiaolong Li

Recent work on fact-checking addresses a realistic setting where models incorporate evidence retrieved from the web to decide the veracity of claims. A bottleneck in this pipeline is in retrieving relevant evidence: traditional methods may…

计算与语言 · 计算机科学 2024-10-08 Aniruddh Sriram , Fangyuan Xu , Eunsol Choi , Greg Durrett

Self-supervised learning (SSL) has emerged as a powerful paradigm for Chest X-ray (CXR) analysis under limited annotations. Yet, existing SSL strategies remain suboptimal for medical imaging. Masked image modeling allocates substantial…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Wangyu Feng , Shawn Young , Lijian Xu

Contrastive learning is a promising approach to unsupervised learning, as it inherits the advantages of well-studied deep models without a dedicated and complex model design. In this paper, based on bidirectional encoder representations…

计算与语言 · 计算机科学 2021-09-20 Haoxiang Shi , Cen Wang

Information retrieval (IR) is essential in biomedical knowledge acquisition and clinical decision support. While recent progress has shown that language model encoders perform better semantic retrieval, training such models requires…

信息检索 · 计算机科学 2024-01-17 Qiao Jin , Won Kim , Qingyu Chen , Donald C. Comeau , Lana Yeganova , W. John Wilbur , Zhiyong Lu

Radiology report generation (RRG) has attracted significant attention due to its potential to reduce the workload of radiologists. Current RRG approaches are still unsatisfactory against clinical standards. This paper introduces a novel RRG…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Zijian Zhou , Miaojing Shi , Meng Wei , Oluwatosin Alabi , Zijie Yue , Tom Vercauteren

Detecting diseases from social media has diverse applications, such as public health monitoring and disease spread detection. While language models (LMs) have shown promising performance in this domain, there remains ongoing research aimed…

计算与语言 · 计算机科学 2024-05-06 Pervaiz Iqbal Khan , Andreas Dengel , Sheraz Ahmed

Contrastive learning has been proved to be a promising technique for image-level representation learning from unlabeled data. Many existing works have demonstrated improved results by applying contrastive learning in classification and…

图像与视频处理 · 电气工程与系统科学 2021-09-20 Dewen Zeng , John N. Kheir , Peng Zeng , Yiyu Shi

Contrastive learning has been proven beneficial for self-supervised skeleton-based action recognition. Most contrastive learning methods utilize carefully designed augmentations to generate different movement patterns of skeletons for the…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Jiahang Zhang , Lilang Lin , Jiaying Liu

Biological brains learn continually from a stream of unlabeled data, while integrating specialized information from sparsely labeled examples without compromising their ability to generalize. Meanwhile, machine learning methods are…

机器学习 · 计算机科学 2026-01-27 Viet Anh Khoa Tran , Emre Neftci , Willem A. M. Wybo

Recently, many unsupervised deep learning methods have been proposed to learn clustering with unlabelled data. By introducing data augmentation, most of the latest methods look into deep clustering from the perspective that the original…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Huasong Zhong , Chong Chen , Zhongming Jin , Xian-Sheng Hua

Supervised learning can improve the design of state-of-the-art solvers for combinatorial problems, but labelling large numbers of combinatorial instances is often impractical due to exponential worst-case complexity. Inspired by the recent…

机器学习 · 计算机科学 2022-06-22 Haonan Duan , Pashootan Vaezipoor , Max B. Paulus , Yangjun Ruan , Chris J. Maddison

Radiology report generation (RRG) has shown great potential in assisting radiologists by automating the labor-intensive task of report writing. While recent advancements have improved the quality and coherence of generated reports, ensuring…

人工智能 · 计算机科学 2025-03-18 Chenyu Wang , Weichao Zhou , Shantanu Ghosh , Kayhan Batmanghelich , Wenchao Li

Human skeleton point clouds are commonly used to automatically classify and predict the behaviour of others. In this paper, we use a contrastive self-supervised learning method, SimCLR, to learn representations that capture the semantics of…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Nico Lingg , Miguel Sarabia , Luca Zappella , Barry-John Theobald

Contrastive instance discrimination methods outperform supervised learning in downstream tasks such as image classification and object detection. However, these methods rely heavily on data augmentation during representation learning, which…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Mohammad Alkhalefi , Georgios Leontidis , Mingjun Zhong

Reviewing radiology reports in emergency departments is an essential but laborious task. Timely follow-up of patients with abnormal cases in their radiology reports may dramatically affect the patient's outcome, especially if they have been…

计算与语言 · 计算机科学 2018-12-06 Hamed Hassanzadeh , Mahnoosh Kholghi , Anthony Nguyen , Kevin Chu

Disease diagnosis from medical images via supervised learning is usually dependent on tedious, error-prone, and costly image labeling by medical experts. Alternatively, semi-supervised learning and self-supervised learning offer…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Attiano Purpura-Pontoniere , Demetri Terzopoulos , Adam Wang , Abdullah-Al-Zubaer Imran

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…

计算与语言 · 计算机科学 2022-03-01 Beiduo Chen , Wu Guo , Bin Gu , Quan Liu , Yongchao Wang

Multimodal sentiment analysis has become an increasingly popular research area as the demand for multimodal online content is growing. For multimodal sentiment analysis, words can have different meanings depending on the linguistic context…

计算与语言 · 计算机科学 2022-09-16 Junghun Kim , Jihie Kim