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One way to extract patterns from clinical records is to consider each patient record as a bag with various number of instances in the form of symptoms. Medical diagnosis is to discover informative ones first and then map them to one or more…

机器学习 · 计算机科学 2019-04-10 Zeyuan Wang , Josiah Poon , Shiding Sun , Simon Poon

Due to the over-fitting problem caused by imbalance samples, there is still room to improve the performance of data-driven automatic modulation classification (AMC) in noisy scenarios. By fully considering the signal characteristics, an AMC…

信号处理 · 电气工程与系统科学 2022-03-08 Hao Shi , Qi Peng , Yiqi Zhuang

Highly imbalanced datasets are ubiquitous in medical image classification problems. In such problems, it is often the case that rare classes associated to less prevalent diseases are severely under-represented in labeled databases,…

计算机视觉与模式识别 · 计算机科学 2022-09-15 Adrian Galdran , Gustavo Carneiro , Miguel A. González Ballester

In this paper, we propose a novel mutual consistency network (MC-Net+) to effectively exploit the unlabeled data for semi-supervised medical image segmentation. The MC-Net+ model is motivated by the observation that deep models trained with…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Yicheng Wu , Zongyuan Ge , Donghao Zhang , Minfeng Xu , Lei Zhang , Yong Xia , Jianfei Cai

Multi-modal learning aims to enhance performance by unifying models from various modalities but often faces the "modality imbalance" problem in real data, leading to a bias towards dominant modalities and neglecting others, thereby limiting…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Yang Yang , Hongpeng Pan , Qing-Yuan Jiang , Yi Xu , Jinghui Tang

Medical events of interest, such as mortality, often happen at a low rate in electronic medical records, as most admitted patients survive. Training models with this imbalance rate (class density discrepancy) may lead to suboptimal…

机器学习 · 计算机科学 2022-08-02 Zepeng Huo , Xiaoning Qian , Shuai Huang , Zhangyang Wang , Bobak J. Mortazavi

Recent advancements in the acquisition of various brain data sources have created new opportunities for integrating multimodal brain data to assist in early detection of complex brain disorders. However, current data integration approaches…

图像与视频处理 · 电气工程与系统科学 2023-05-26 Reza Shirkavand , Liang Zhan , Heng Huang , Li Shen , Paul M. Thompson

Learning from imbalanced data is one of the most significant challenges in real-world classification tasks. In such cases, neural networks performance is substantially impaired due to preference towards the majority class. Existing…

机器学习 · 计算机科学 2022-11-13 Bronislav Yasinnik , Moshe Salhov , Ofir Lindenbaum , Amir Averbuch

Neural network training and validation rely on the availability of large high-quality datasets. However, in many cases only incomplete datasets are available, particularly in health care applications, where each patient typically undergoes…

机器学习 · 计算机科学 2021-07-02 Yu-Wei Chang , Laura Natali , Oveis Jamialahmadi , Stefano Romeo , Joana B. Pereira , Giovanni Volpe

Causal inference (CI) in observational studies has received a lot of attention in healthcare, education, ad attribution, policy evaluation, etc. Confounding is a typical hazard, where the context affects both, the treatment assignment and…

统计方法学 · 统计学 2021-08-17 Ankit Sharma , Garima Gupta , Ranjitha Prasad , Arnab Chatterjee , Lovekesh Vig , Gautam Shroff

In this paper, we propose a novel method for mild cognitive impairment detection based on jointly exploiting the complex network and the neural network paradigm. In particular, the method is based on ensembling different brain structural…

计算机视觉与模式识别 · 计算机科学 2021-01-27 Eufemia Lella , Gennaro Vessio

Multimodal learning has shown great potentials in numerous scenes and attracts increasing interest recently. However, it often encounters the problem of missing modality data and thus suffers severe performance degradation in practice. To…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Shicai Wei , Yang Luo , Chunbo Luo

Incomplete multi-modal medical image segmentation faces critical challenges from modality imbalance, including imbalanced modality missing rates and heterogeneous modality contributions. Due to their reliance on idealized assumptions of…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Libin Lan , Hongxing Li , Zunhui Xia , Yudong Zhang

In recent years, incomplete multi-view clustering, which studies the challenging multi-view clustering problem on missing views, has received growing research interests. Although a series of methods have been proposed to address this issue,…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Jie Wen , Zheng Zhang , Yong Xu , Bob Zhang , Lunke Fei , Guo-Sen Xie

In real world clinical environments, training and applying deep learning models on multi-modal medical imaging data often struggles with partially incomplete data. Standard approaches either discard missing samples, require imputation or…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Christoph Fürböck , Paul Weiser , Branko Mitic , Philipp Seeböck , Thomas Helbich , Georg Langs

In real world datasets, particular groups are under-represented, much rarer than others, and machine learning classifiers will often preform worse on under-represented populations. This problem is aggravated across many domains where…

机器学习 · 计算机科学 2023-02-10 Arghya Datta , S. Joshua Swamidass

Class imbalance problems manifest in domains such as financial fraud detection or network intrusion analysis, where the prevalence of one class is much higher than another. Typically, practitioners are more interested in predicting the…

机器学习 · 统计学 2017-11-16 Peter Xenopoulos

This research proposes a very lightweight model "Fibonacci-Net" along with a novel pooling technique, for automatic brain tumor classification from imbalanced Magnetic Resonance Imaging (MRI) datasets. Automatic brain tumor detection from…

图像与视频处理 · 电气工程与系统科学 2025-03-19 Santanu Roy , Ashvath Suresh , Archit Gupta , Shubhi Tiwari , Palak Sahu , Prashant Adhikari , Yuvraj S. Shekhawat

Human coders assign standardized medical codes to clinical documents generated during patients' hospitalization, which is error-prone and labor-intensive. Automated medical coding approaches have been developed using machine learning…

计算与语言 · 计算机科学 2022-09-13 Wei Sun , Shaoxiong Ji , Erik Cambria , Pekka Marttinen

We propose a unified optimization framework that combines neural networks with dictionary learning to model complex interactions between resting state functional MRI and behavioral data. The dictionary learning objective decomposes patient…

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