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Supervised deep learning methods for segmentation require large amounts of labelled training data, without which they are prone to overfitting, not generalizing well to unseen images. In practice, obtaining a large number of annotations…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Krishna Chaitanya , Neerav Karani , Christian Baumgartner , Olivio Donati , Anton Becker , Ender Konukoglu

Electronic Health Records (EHR) data, a rich source for biomedical research, have been successfully used to gain novel insight into a wide range of diseases. Despite its potential, EHR is currently underutilized for discovery research due…

统计方法学 · 统计学 2021-09-14 Yichi Zhang , Molei Liu , Matey Neykov , Tianxi Cai

Unstructured clinical text in EHRs contains crucial information for applications including decision support, trial matching, and retrospective research. Recent work has applied BERT-based models to clinical information extraction and text…

计算与语言 · 计算机科学 2020-11-13 Kexin Huang , Sankeerth Garapati , Alexander S. Rich

Medical errors are leading causes of death in the US and as such, prevention of these errors is paramount to promoting health care. Patient Safety Event reports are narratives describing potential adverse events to the patients and are…

计算与语言 · 计算机科学 2017-02-24 Arman Cohan , Allan Fong , Nazli Goharian , Raj Ratwani

The availability of large and deep electronic healthcare records (EHR) datasets has the potential to enable a better understanding of real-world patient journeys, and to identify novel subgroups of patients. ML-based aggregation of EHR data…

机器学习 · 计算机科学 2022-08-03 Owen Parsons , Nathan E Barlow , Janie Baxter , Karen Paraschin , Andrea Derix , Peter Hein , Robert Dürichen

The temporal complexity of electronic health record (EHR) data presents significant challenges for predicting clinical outcomes using machine learning. This paper proposes ChronoFormer, an innovative transformer based architecture…

机器学习 · 计算机科学 2025-04-11 Yuanyun Zhang , Shi Li

Humans perceive discrete events such as "restaurant visits" and "train rides" in their continuous experience. One important prerequisite for studying human event perception is the ability of researchers to quantify when one event ends and…

计算与语言 · 计算机科学 2023-01-26 Sebastian Michelmann , Manoj Kumar , Kenneth A. Norman , Mariya Toneva

Throughout the world, breast cancer is one of the leading causes of female death. Recently, deep learning methods are developed to automatically grade breast cancer of histological slides. However, the performance of existing deep learning…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Yanyuet Man , Xiangyun Ding , Xingcheng Yao , Han Bao

The development of Electronic Health Records summarization systems has revolutionized patient data management. Previous research advanced this field by adapting Large Language Models for clinical tasks, using diverse datasets to generate…

计算与语言 · 计算机科学 2024-10-15 Ruvarashe Madzime , Clement Nyirenda

The unstructured nature of clinical notes within electronic health records often conceals vital patient-related information, making it challenging to access or interpret. To uncover this hidden information, specialized Natural Language…

Longitudinal clinical notes contain rich evidence of how patients evolve over time, but converting this signal into training supervision for clinical prediction remains challenging. We extend Foresight Learning to clinical prediction by…

机器学习 · 计算机科学 2026-05-14 Benjamin Turtel , Paul Wilczewski , Kris Skotheim

Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) systems are increasingly deployed in industry applications, yet their reliability remains hampered by challenges in detecting hallucinations. While supervised…

计算与语言 · 计算机科学 2025-05-30 Julia Belikova , Konstantin Polev , Rauf Parchiev , Dmitry Simakov

We introduce Ev-TTA, a simple, effective test-time adaptation algorithm for event-based object recognition. While event cameras are proposed to provide measurements of scenes with fast motions or drastic illumination changes, many existing…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Junho Kim , Inwoo Hwang , Young Min Kim

Estimating the effects of interventions on patient outcome is one of the key aspects of personalized medicine. Their inference is often challenged by the fact that the training data comprises only the outcome for the administered treatment,…

For many complex diseases, prognosis is of essential importance. It has been shown that, beyond the main effects of genetic (G) and environmental (E) risk factors, the gene-environment (G$\times$E) interactions also play a critical role. In…

应用统计 · 统计学 2015-05-15 Hao Chai , Qingzhao Zhang , Yu Jiang , Guohua Wang , Sanguo Zhang , Shuangge Ma

The shift to electronic medical records (EMRs) has engendered research into machine learning and natural language technologies to analyze patient records, and to predict from these clinical outcomes of interest. Two observations motivate…

计算与语言 · 计算机科学 2019-04-09 Sarthak Jain , Ramin Mohammadi , Byron C. Wallace

To use historical controls for indirect comparison with single-arm trials, the population difference between data sources should be adjusted to reduce confounding bias. The adjustment is more difficult for time-to-event data with a cure…

统计方法学 · 统计学 2023-08-23 Jixian Wang , Hongtao Zhang , Ram Tiwari

Clinical notes contain unstructured representations of patient histories, including the relationships between medical problems and prescription drugs. To investigate the relationship between cancer drugs and their associated symptom burden,…

Information retrieval in real-time search presents unique challenges distinct from those encountered in classical web search. These challenges are particularly pronounced due to the rapid change of user search intent, which is influenced by…

信息检索 · 计算机科学 2023-12-05 Nan Yang , Shusen Zhang , Yannan Zhang , Xiaoling Bai , Hualong Deng , Tianhua Zhou , Jin Ma

The utilization of Electronic Health Records (EHRs) for clinical risk prediction is on the rise. However, strict privacy regulations limit access to comprehensive health records, making it challenging to apply standard machine learning…