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High annotation costs are a substantial bottleneck in applying modern deep learning architectures to clinically relevant medical use cases, substantiating the need for novel algorithms to learn from unlabeled data. In this work, we propose…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Aiham Taleb , Matthias Kirchler , Remo Monti , Christoph Lippert

This paper presents a novel positive and negative set selection strategy for contrastive learning of medical images based on labels that can be extracted from clinical data. In the medical field, there exists a variety of labels for data…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Kiran Kokilepersaud , Stephanie Trejo Corona , Mohit Prabhushankar , Ghassan AlRegib , Charles Wykoff

Large medical imaging datasets can be cheaply and quickly annotated with low-confidence, weak labels (e.g., radiological scores). Access to high-confidence labels, such as histology-based diagnoses, is rare and costly. Pretraining…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Emma Sarfati , Alexandre Bône , Marc-Michel Rohé , Pietro Gori , Isabelle Bloch

This paper presents a novel positive and negative set selection strategy for contrastive learning of medical images based on labels that can be extracted from clinical data. In the medical field, there exists a variety of labels for data…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Kiran Kokilepersaud , Mohit Prabhushankar , Ghassan AlRegib

Contrastive learning (CL) has achieved astonishing progress in computer vision, speech, and natural language processing fields recently with self-supervised learning. However, CL approach to the supervised setting is not fully explored,…

计算与语言 · 计算机科学 2022-05-23 Zhenyu Zhang , Yuming Zhao , Meng Chen , Xiaodong He

Training deep neural networks on real-world datasets is often hampered by the presence of noisy labels, which can be memorized by over-parameterized models, leading to significant degradation in generalization performance. While existing…

机器学习 · 计算机科学 2025-12-18 Jianchao Wang , Qingfeng Li , Pengcheng Zheng , Xiaorong Pu , Yazhou Ren

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

Label-scarce, high-dimensional domains such as healthcare present a challenge for modern machine learning techniques. To overcome the difficulties posed by a lack of labeled data, we explore an "order-contrastive" method for self-supervised…

机器学习 · 计算机科学 2022-03-30 Monica Agrawal , Hunter Lang , Michael Offin , Lior Gazit , David Sontag

Contrastive learning methods enforce label distance relationships in feature space to improve representation capability for regression models. However, these methods highly depend on label information to correctly recover ordinal…

机器学习 · 计算机科学 2025-12-11 Ce Wang , Weihang Dai , Hanru Bai , Xiaomeng Li

The lack of large labeled medical imaging datasets, along with significant inter-individual variability compared to clinically established disease classes, poses significant challenges in exploiting medical imaging information in a…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Matteo Ferrante , Tommaso Boccato , Simeon Spasov , Andrea Duggento , Nicola Toschi

Self-supervised pre-training of deep learning models with contrastive learning is a widely used technique in image analysis. Current findings indicate a strong potential for contrastive pre-training on medical images. However, further…

图像与视频处理 · 电气工程与系统科学 2024-10-21 Daniel Wolf , Tristan Payer , Catharina Silvia Lisson , Christoph Gerhard Lisson , Meinrad Beer , Michael Götz , Timo Ropinski

We study Online Continual Learning with missing labels and propose SemiCon, a new contrastive loss designed for partly labeled data. We demonstrate its efficiency by devising a memory-based method trained on an unlabeled data stream, where…

机器学习 · 计算机科学 2022-11-23 Nicolas Michel , Romain Negrel , Giovanni Chierchia , Jean-François Bercher

In this paper, we propose a novel selection strategy for contrastive learning for medical images. On natural images, contrastive learning uses augmentations to select positive and negative pairs for the contrastive loss. However, in the…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Kiran Kokilepersaud , Mohit Prabhushankar , Ghassan AlRegib , Stephanie Trejo Corona , Charles Wykoff

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

Pre-training a recognition model with contrastive learning on a large dataset of unlabeled data has shown great potential to boost the performance of a downstream task, e.g., image classification. However, in domains such as medical…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Jizong Peng , Ping Wang , Chrisitian Desrosiers , Marco Pedersoli

Few-shot learning is an established topic in natural images for years, but few work is attended to histology images, which is of high clinical value since well-labeled datasets and rare abnormal samples are expensive to collect. Here, we…

图像与视频处理 · 电气工程与系统科学 2022-02-21 Jiawei Yang , Hanbo Chen , Jiangpeng Yan , Xiaoyu Chen , Jianhua Yao

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

Representation learning offers a conduit to elucidate distinctive features within the latent space and interpret the deep models. However, the randomness of lesion distribution and the complexity of low-quality factors in medical images…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Qingshan Hou , Shuai Cheng , Peng Cao , Jinzhu Yang , Xiaoli Liu , Osmar R. Zaiane , Yih Chung Tham

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

Deep learning has achieved great success in recent years with the aid of advanced neural network structures and large-scale human-annotated datasets. However, it is often costly and difficult to accurately and efficiently annotate…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Chen Feng , Ioannis Patras
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