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Expert interpretation of anatomical images of the human brain is the central part of neuro-radiology. Several machine learning-based techniques have been proposed to assist in the analysis process. However, the ML models typically need to…

Vision Transformers (ViTs) have gained significant popularity in the natural image domain but have been less successful in 3D medical image segmentation. Nevertheless, 3D ViTs are particularly interesting for large medical imaging volumes…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Benjamin Jin , Grant Mair , Joanna M. Wardlaw , Maria del C. Valdés Hernández

Electronic health record (EHR) data is sparse and irregular as it is recorded at irregular time intervals, and different clinical variables are measured at each observation point. In this work, we propose a multi-view features integration…

机器学习 · 计算机科学 2021-01-27 Yurim Lee , Eunji Jun , Heung-Il Suk

The fingerprint classification is an important and effective method to quicken the process and improve the accuracy in the fingerprint matching process. Conventional supervised methods need a large amount of pre-labeled data and thus…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Yue-Jie Hou , Zai-Xin Xie , Jian-Hu , Yao-Shen , Chi-Chun Zhou

Variational autoencoders (VAEs) are widely used deep generative models capable of learning unsupervised latent representations of data. Such representations are often difficult to interpret or control. We consider the problem of…

机器学习 · 计算机科学 2018-12-18 Jack Klys , Jake Snell , Richard Zemel

Current deep neural network based approaches to computed tomography (CT) metal artifact reduction (MAR) are supervised methods which rely heavily on synthesized data for training. However, as synthesized data may not perfectly simulate the…

图像与视频处理 · 电气工程与系统科学 2019-12-02 Haofu Liao , Wei-An Lin , Jianbo Yuan , S. Kevin Zhou , Jiebo Luo

The detection and localization of possible diseases in crops are usually automated by resorting to supervised deep learning approaches. In this work, we tackle these goals with unsupervised models, by applying three different types of…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Davide Calabrò , Massimiliano Lupo Pasini , Nicola Ferro , Simona Perotto

Variational Auto-Encoders have often been used for unsupervised pretraining, feature extraction and out-of-distribution and anomaly detection in the medical field. However, VAEs often lack the ability to produce sharp images and learn…

机器学习 · 计算机科学 2019-11-28 David Zimmerer , Jens Petersen , Klaus Maier-Hein

We introduce an anomaly detection method for multivariate time series data with the aim of identifying critical periods and features influencing extreme climate events like snowmelt in the Arctic. This method leverages the Variational…

机器学习 · 计算机科学 2024-07-16 Tolulope Ale , Nicole-Jeanne Schlegel , Vandana P. Janeja

Diffusion-weighted MRI is nowadays performed routinely due to its prognostic ability, yet the quality of the scans are often unsatisfactory which can subsequently hamper the clinical utility. To overcome the limitations, here we propose a…

图像与视频处理 · 电气工程与系统科学 2021-05-04 Hyungjin Chung , Jaehyun Kim , Jeong Hee Yoon , Jeong Min Lee , Jong Chul Ye

Variational AutoEncoder (VAE) has been extended as a representative nonlinear method for collaborative filtering. However, the bottleneck of VAE lies in the softmax computation over all items, such that it takes linear costs in the number…

机器学习 · 计算机科学 2022-05-31 Jin Chen , Defu Lian , Binbin Jin , Xu Huang , Kai Zheng , Enhong Chen

Modern radio telescopes combine thousands of receivers, long-distance networks, large-scale compute hardware, and intricate software. Due to this complexity, failures occur relatively frequently. In this work we propose novel use of…

天体物理仪器与方法 · 物理学 2020-05-28 Michael Mesarcik , Albert-Jan Boonstra , Christiaan Meijer , Walter Jansen , Elena Ranguelova , Rob V. van Nieuwpoort

Artifact Detection (AD) techniques minimize the impact of artifacts on physiologic data acquired in Critical Care Units (CCU) by assessing quality of data prior to Clinical Event Detection (CED) and Parameter Derivation (PD). This…

信号处理 · 电气工程与系统科学 2018-05-02 Shermeen Nizami , James R. Green , Carolyn McGregor

Estimation of uncertainty in deep learning models is of vital importance, especially in medical imaging, where reliance on inference without taking into account uncertainty could lead to misdiagnosis. Recently, the probabilistic Variational…

机器学习 · 计算机科学 2020-10-20 Haleh Akrami , Anand A. Joshi , Sergul Aydore , Richard M. Leahy

Deep learning methods have been widely used for Human Activity Recognition (HAR) using recorded signals from Iner-tial Measurement Units (IMUs) sensors that are installed on various parts of the human body. For this type of HAR, sev-eral…

机器学习 · 计算机科学 2025-02-10 Saeed Arabzadeh , Farshad Almasganj , Mohammad Mahdi Ahmadi

Artifacts pose a significant challenge in medical imaging, impacting diagnostic accuracy and downstream analysis. While image-based approaches for detecting artifacts can be effective, they often rely on preprocessing methods that can lead…

图像与视频处理 · 电气工程与系统科学 2025-08-08 Caner Özer , Patryk Rygiel , Bram de Wilde , İlkay Öksüz , Jelmer M. Wolterink

Obtaining labels for medical (image) data requires scarce and expensive experts. Moreover, due to ambiguous symptoms, single images rarely suffice to correctly diagnose a medical condition. Instead, it often requires to take additional…

图像与视频处理 · 电气工程与系统科学 2020-11-05 Diana Davletshina , Valentyn Melnychuk , Viet Tran , Hitansh Singla , Max Berrendorf , Evgeniy Faerman , Michael Fromm , Matthias Schubert

Recent advancements in time-series anomaly detection have relied on deep learning models to handle the diverse behaviors of time-series data. However, these models often suffer from unstable training and require extensive hyperparameter…

机器学习 · 计算机科学 2024-08-28 Nobuo Namura , Yuma Ichikawa

Human face exhibits an inherent hierarchy in its representations (i.e., holistic facial expressions can be encoded via a set of facial action units (AUs) and their intensity). Variational (deep) auto-encoders (VAE) have shown great results…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Dieu Linh Tran , Robert Walecki , Ognjen Rudovic , Stefanos Eleftheriadis , Bjørn Schuller , Maja Pantic

In the contemporary digital landscape, the continuous generation of extensive streaming data across diverse domains has become pervasive. Yet, a significant portion of this data remains unlabeled, posing a challenge in identifying…

计算工程、金融与科学 · 计算机科学 2025-08-25 Jin Li , Kleanthis Malialis , Christos G. Panayiotou , Marios M. Polycarpou