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相关论文: An Efficient Contrastive Unimodal Pretraining Meth…

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In this work, we investigate the time series representation learning problem using self-supervised techniques. Contrastive learning is well-known in this area as it is a powerful method for extracting information from the series and…

机器学习 · 计算机科学 2024-10-08 Duy A. Nguyen , Trang H. Tran , Huy Hieu Pham , Phi Le Nguyen , Lam M. Nguyen

In the field of automatic Electrocardiogram (ECG) diagnosis, due to the relatively limited amount of labeled data, how to build a robust ECG pretrained model based on unlabeled data is a key area of focus for researchers. Recent…

信号处理 · 电气工程与系统科学 2025-06-10 Xiaoyu Sun , Yang Yang , Xunde Dong

Deep neural networks for time series must capture complex temporal patterns, to effectively represent dynamic data. Self- and semi-supervised learning methods show promising results in pre-training large models, which -- when finetuned for…

机器学习 · 计算机科学 2025-08-15 Yuhan Xie , William Cappelletti , Mahsa Shoaran , Pascal Frossard

The deep learning technique has been shown to be effectively addressed several image analysis tasks in the computer-aided diagnosis scheme for mammography. The training of an efficacious deep learning model requires large data with diverse…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Zheren Li , Zhiming Cui , Lichi Zhang , Sheng Wang , Chenjin Lei , Xi Ouyang , Dongdong Chen , Xiangyu Zhao , Yajia Gu , Zaiyi Liu , Chunling Liu , Dinggang Shen , Jie-Zhi Cheng

Unsupervised domain adaptation (UDA) aims at learning a machine learning model using a labeled source domain that performs well on a similar yet different, unlabeled target domain. UDA is important in many applications such as medicine,…

机器学习 · 计算机科学 2023-02-08 Yilmazcan Ozyurt , Stefan Feuerriegel , Ce Zhang

Deep convolutional neural networks have considerably improved state-of-the-art results for semantic segmentation. Nevertheless, even modern architectures lack the ability to generalize well to a test dataset that originates from a different…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Robert A. Marsden , Alexander Bartler , Mario Döbler , Bin Yang

Vast quantities of person-generated health data (wearables) are collected but the process of annotating to feed to machine learning models is impractical. This paper discusses ways in which self-supervised approaches that use contrastive…

机器学习 · 计算机科学 2021-11-16 Kevalee Shah , Dimitris Spathis , Chi Ian Tang , Cecilia Mascolo

Deep neural networks (DNNs) used for brain-computer-interface (BCI) classification are commonly expected to learn general features when trained across a variety of contexts, such that these features could be fine-tuned to specific contexts.…

机器学习 · 计算机科学 2021-01-29 Demetres Kostas , Stephane Aroca-Ouellette , Frank Rudzicz

Electronic Health Records (EHRs) enable deep learning for clinical predictions, but the optimal method for representing patient data remains unclear due to inconsistent evaluation practices. We present the first systematic benchmark to…

机器学习 · 计算机科学 2025-10-13 Tianyi Chen , Mingcheng Zhu , Zhiyao Luo , Tingting Zhu

Limited availability of labeled physiological data often prohibits the use of powerful supervised deep learning models in the biomedical machine intelligence domain. We approach this problem and propose a novel encoding framework that…

A key requirement for the success of supervised deep learning is a large labeled dataset - a condition that is difficult to meet in medical image analysis. Self-supervised learning (SSL) can help in this regard by providing a strategy to…

计算机视觉与模式识别 · 计算机科学 2020-11-02 Krishna Chaitanya , Ertunc Erdil , Neerav Karani , Ender Konukoglu

Traditional machine learning methods face two main challenges in dealing with healthcare predictive analytics tasks. First, the high-dimensional nature of healthcare data needs labor-intensive and time-consuming processes to select an…

机器学习 · 计算机科学 2022-09-16 Mohammad Amin Morid , Olivia R. Liu Sheng , Joseph Dunbar

The success of deep learning methods in medical image segmentation tasks heavily depends on a large amount of labeled data to supervise the training. On the other hand, the annotation of biomedical images requires domain knowledge and can…

计算机视觉与模式识别 · 计算机科学 2021-09-30 Xinrong Hu , Dewen Zeng , Xiaowei Xu , Yiyu Shi

Machine learning (ML) applied to routine patient monitoring within intensive care units (ICUs) has the potential to improve care by providing clinicians with novel insights into each patient's health and expected response to interventions.…

信号处理 · 电气工程与系统科学 2024-06-26 Thomas Kite , Uzair Tahamid Siam , Brian Ayers , Nicholas Houstis , Aaron D Aguirre

Contrastive learning is a family of self-supervised methods where a model is trained to solve a classification task constructed from unlabeled data. It has recently emerged as one of the leading learning paradigms in the absence of labels…

机器学习 · 统计学 2021-03-05 Bingbin Liu , Pradeep Ravikumar , Andrej Risteski

Deep learning models have demonstrated exceptional performance across a wide range of computer vision tasks. However, their performance often degrades significantly when faced with distribution shifts, such as domain or dataset changes.…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Samuel Barbeau , Pedram Fekri , David Osowiechi , Ali Bahri , Moslem Yazdanpanah , Masih Aminbeidokhti , Christian Desrosiers

Human Activity Recognition (HAR) systems have been extensively studied by the vision and ubiquitous computing communities due to their practical applications in daily life, such as smart homes, surveillance, and health monitoring.…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Hyeongju Choi , Apoorva Beedu , Irfan Essa

Data scarcity is a notable problem, especially in the medical domain, due to patient data laws. Therefore, efficient Pre-Training techniques could help in combating this problem. In this paper, we demonstrate that a model trained on the…

机器学习 · 计算机科学 2022-12-01 Zafar Iqbal , Usman Mahmood , Zening Fu , Sergey Plis

Self-supervised learning (SSL) for clinical time series data has received significant attention in recent literature, since these data are highly rich and provide important information about a patient's physiological state. However, most…

机器学习 · 计算机科学 2023-07-21 Aniruddh Raghu , Payal Chandak , Ridwan Alam , John Guttag , Collin M. Stultz

Objective: To determine if a realistic, but computationally efficient model of the electrocardiogram can be used to pre-train a deep neural network (DNN) with a wide range of morphologies and abnormalities specific to a given condition -…

机器学习 · 计算机科学 2022-01-03 Ismail Sadiq , Erick A. Perez-Alday , Amit J. Shah , Ali Bahrami Rad , Reza Sameni , Gari D. Clifford