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Data scarcity is a major challenge in medical imaging, particularly for deep learning models. While data pooling (combining datasets from multiple sources) and data addition (adding more data from a new dataset) have been shown to enhance…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Ayush Roy , Samin Enam , Jun Xia , Won Hwa Kim , Vishnu Suresh Lokhande

Given the volume of data needed to train modern machine learning models, external suppliers are increasingly used. However, incorporating external data poses data poisoning risks, wherein attackers manipulate their data to degrade model…

密码学与安全 · 计算机科学 2023-06-01 Yi Zeng , Minzhou Pan , Himanshu Jahagirdar , Ming Jin , Lingjuan Lyu , Ruoxi Jia

In many machine learning for healthcare tasks, standard datasets are constructed by amassing data across many, often fundamentally dissimilar, sources. But when does adding more data help, and when does it hinder progress on desired model…

机器学习 · 计算机科学 2024-08-09 Judy Hanwen Shen , Inioluwa Deborah Raji , Irene Y. Chen

Distribution shift is a major source of failure for machine learning models. However, evaluating model reliability under distribution shift can be challenging, especially since it may be difficult to acquire counterfactual examples that…

机器学习 · 计算机科学 2023-06-21 Joshua Vendrow , Saachi Jain , Logan Engstrom , Aleksander Madry

Lesion segmentation of ultrasound medical images based on deep learning techniques is a widely used method for diagnosing diseases. Although there is a large amount of ultrasound image data in medical centers and other places, labeled…

图像与视频处理 · 电气工程与系统科学 2024-01-17 Yifu Zhang , Hongru Li , Tao Yang , Rui Tao , Zhengyuan Liu , Shimeng Shi , Jiansong Zhang , Ning Ma , Wujin Feng , Zhanhu Zhang , Xinyu Zhang

Anomaly and failure detection methods are crucial in identifying deviations from normal system operational conditions, which allows for actions to be taken in advance, usually preventing more serious damages. Long-lasting deviations…

机器学习 · 计算机科学 2026-03-20 Natalia Wojak-Strzelecka , Szymon Bobek , Grzegorz J. Nalepa , Jerzy Stefanowski

Transfer learning is a common practice that alleviates the need for extensive data to train neural networks. It is performed by pre-training a model using a source dataset and fine-tuning it for a target task. However, not every source…

机器学习 · 计算机科学 2024-10-01 Jiseok Lee , Brian Kenji Iwana

The lack of well-annotated datasets in computational pathology (CPath) obstructs the application of deep learning techniques for classifying medical images. %Since pathologist time is expensive, dataset curation is intrinsically difficult.…

A biosignal is a signal that can be continuously measured from human bodies, such as respiratory sounds, heart activity (ECG), brain waves (EEG), etc, based on which, machine learning models have been developed with very promising…

机器学习 · 计算机科学 2022-01-26 Tong Xia , Jing Han , Cecilia Mascolo

Modeling non-stationary data is a challenging problem in the field of continual learning, and data distribution shifts may result in negative consequences on the performance of a machine learning model. Classic learning tools are often…

机器学习 · 计算机科学 2024-10-23 Sebastián Basterrech , Line Clemmensen , Gerardo Rubino

Identifying high-quality and easily accessible annotated samples poses a notable challenge in medical image analysis. Transfer learning techniques, leveraging pre-training data, offer a flexible solution to this issue. However, the impact…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Asmaa Abbas , Mohamed Gaber , Mohammed M. Abdelsamea

Distribution shifts are common in real-world datasets and can affect the performance and reliability of deep learning models. In this paper, we study two types of distribution shifts: diversity shifts, which occur when test samples exhibit…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Alceu Bissoto , Catarina Barata , Eduardo Valle , Sandra Avila

The integration of deep learning based systems in clinical practice is often impeded by challenges rooted in limited and heterogeneous medical datasets. In addition, the field has increasingly prioritized marginal performance gains on a…

图像与视频处理 · 电气工程与系统科学 2025-03-18 Sebastian Doerrich , Francesco Di Salvo , Julius Brockmann , Christian Ledig

Machine learning and data mining techniques have been used extensively in order to detect credit card frauds. However purchase behaviour and fraudster strategies may change over time. This phenomenon is named dataset shift or concept drift…

Medical professionals frequently work in a data constrained setting to provide insights across a unique demographic. A few medical observations, for instance, informs the diagnosis and treatment of a patient. This suggests a unique setting…

计算与语言 · 计算机科学 2022-12-06 Pankaj Sharma , Imran Qureshi , Minh Tran

Machine learning models often perform poorly on subgroups that are underrepresented in the training data. Yet, little is understood on the variation in mechanisms that cause subpopulation shifts, and how algorithms generalize across such…

机器学习 · 计算机科学 2023-08-21 Yuzhe Yang , Haoran Zhang , Dina Katabi , Marzyeh Ghassemi

Medical imaging machine learning algorithms are usually evaluated on a single dataset. Although training and testing are performed on different subsets of the dataset, models built on one study show limited capability to generalize to other…

计算机视觉与模式识别 · 计算机科学 2018-12-06 Ahmed Ashraf , Shehroz Khan , Nikhil Bhagwat , Mallar Chakravarty , Babak Taati

AI algorithms have become valuable in aiding professionals in healthcare. The increasing confidence obtained by these models is helpful in critical decision demands. In clinical dermatology, classification models can detect malignant…

Medical image classification plays a crucial role in computer-aided clinical diagnosis. While deep learning techniques have significantly enhanced efficiency and reduced costs, the privacy-sensitive nature of medical imaging data…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Sufen Ren , Yule Hu , Shengchao Chen , Guanjun Wang

Data is one of the essential ingredients to power deep learning research. Small datasets, especially specific to medical institutes, bring challenges to deep learning training stage. This work aims to develop a practical deep multimodal…

机器学习 · 计算机科学 2019-02-26 Faik Aydin , Maggie Zhang , Michelle Ananda-Rajah , Gholamreza Haffari