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相关论文: An Efficient Contrastive Unimodal Pretraining Meth…

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Objective. Deep neural networks (DNNs) have shown unprecedented success in various brain-machine interface applications such as epileptic seizure prediction. However, existing approaches typically train models in a patient-specific fashion…

机器学习 · 计算机科学 2022-06-14 Di Wu , Jie Yang , Mohamad Sawan

Contrastive learning has proven useful in many applications where access to labelled data is limited. The lack of annotated data is particularly problematic in medical image segmentation as it is difficult to have clinical experts manually…

图像与视频处理 · 电气工程与系统科学 2022-07-15 Mohamed Saeed , Rand Muhtaseb , Mohammad Yaqub

Using deep learning techniques, anomalies in the paranasal sinus system can be detected automatically in MRI images and can be further analyzed and classified based on their volume, shape and other parameters like local contrast. However…

Unsupervised contrastive learning has gained increasing attention in the latest research and has proven to be a powerful method for learning representations from unlabeled data. However, little theoretical analysis was known for this…

机器学习 · 计算机科学 2021-06-01 Zixin Wen

Automated Human Activity Recognition has long been a problem of great interest in human-centered and ubiquitous computing. In the last years, a plethora of supervised learning algorithms based on deep neural networks has been suggested to…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Bulat Khaertdinov , Stylianos Asteriadis

Convolutional networks have marked their place over the last few years as the best performing model for various visual tasks. They are, however, most suited for supervised learning from large amounts of labeled data. Previous attempts have…

机器学习 · 计算机科学 2018-12-05 Elad Hoffer , Itay Hubara , Nir Ailon

Deep neural network is an effective choice to automatically recognize human actions utilizing data from various wearable sensors. These networks automate the process of feature extraction relying completely on data. However, various noises…

信号处理 · 电气工程与系统科学 2021-01-05 Tanvir Mahmud , A. Q. M. Sazzad Sayyed , Shaikh Anowarul Fattah , Sun-Yuan Kung

A key challenge in training neural networks for a given medical imaging task is often the difficulty of obtaining a sufficient number of manually labeled examples. In contrast, textual imaging reports, which are often readily available in…

机器学习 · 计算机科学 2022-01-31 Gongbo Liang , Connor Greenwell , Yu Zhang , Xiaoqin Wang , Ramakanth Kavuluru , Nathan Jacobs

Self-supervised contrastive learning frameworks have progressed rapidly over the last few years. In this paper, we propose a novel loss function for contrastive learning. We model our pre-training task as a binary classification problem to…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Siladittya Manna , Umapada Pal , Saumik Bhattacharya

There is abundant medical data on the internet, most of which are unlabeled. Traditional supervised learning algorithms are often limited by the amount of labeled data, especially in the medical domain, where labeling is costly in terms of…

信号处理 · 电气工程与系统科学 2022-07-15 Sudip Das , Pankaj Pandey , Krishna Prasad Miyapuram

Semantic segmentation of remote sensing (RS) images is a challenging yet essential task with broad applications. While deep learning, particularly supervised learning with large-scale labeled datasets, has significantly advanced this field,…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Bin Wang , Fei Deng , Shuang Wang , Wen Luo , Zhixuan Zhang , Peifan Jiang

Clinical medical data, especially in the intensive care unit (ICU), consist of multivariate time series of observations. For each patient visit (or episode), sensor data and lab test results are recorded in the patient's Electronic Health…

机器学习 · 计算机科学 2017-03-23 Zachary C. Lipton , David C. Kale , Charles Elkan , Randall Wetzel

Recently, there has been a growing interest in time series foundation models that generalize across different downstream tasks. A key to strong foundation models is a diverse pre-training dataset, which is particularly challenging to…

机器学习 · 计算机科学 2024-12-10 Songkang Wen , Vasilii Feofanov , Jianfeng Zhang

Data curation is an essential component of large-scale pretraining. In this work, we demonstrate that jointly selecting batches of data is more effective for learning than selecting examples independently. Multimodal contrastive objectives…

机器学习 · 计算机科学 2024-06-26 Talfan Evans , Nikhil Parthasarathy , Hamza Merzic , Olivier J. Henaff

Sensory input from multiple sources is crucial for robust and coherent human perception. Different sources contribute complementary explanatory factors. Similarly, research studies often collect multimodal imaging data, each of which can…

Contrastive learning methods in computer vision typically rely on augmented views of the same image or multimodal pretraining strategies that align paired modalities. However, these approaches often overlook semantic relationships between…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Marta Hasny , Maxime Di Folco , Keno Bressem , Julia Schnabel

Training a deep neural network heavily relies on a large amount of training data with accurate annotations. To alleviate this problem, various methods have been proposed to annotate the data automatically. However, automatically generating…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Yi Wei , Xue Mei , Xin Liu , Pengxiang Xu

Weather data, comprising multiple variables, poses significant challenges due to its high dimensionality and multimodal nature. Creating low-dimensional embeddings requires compressing this data into a compact, shared latent space. This…

机器学习 · 计算机科学 2026-03-27 Nathan Bailey

The integration of diverse clinical modalities such as medical imaging and the tabular data extracted from patients' Electronic Health Records (EHRs) is a crucial aspect of modern healthcare. Integrative analysis of multiple sources can…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Daniel Duenias , Brennan Nichyporuk , Tal Arbel , Tammy Riklin Raviv

Modern neural recording techniques such as two-photon imaging or Neuropixel probes allow to acquire vast time-series datasets with responses of hundreds or thousands of neurons. Contrastive learning is a powerful self-supervised framework…