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Tabular datasets with low-sample-size or many variables are prevalent in biomedicine. Practitioners in this domain prefer linear or tree-based models over neural networks since the latter are harder to interpret and tend to overfit when…

机器学习 · 计算机科学 2022-02-09 Junchen Yang , Ofir Lindenbaum , Yuval Kluger

Federated learning (FL) based magnetic resonance (MR) image reconstruction can facilitate learning valuable priors from multi-site institutions without violating patient's privacy for accelerating MR imaging. However, existing methods rely…

图像与视频处理 · 电气工程与系统科学 2023-05-11 Juan Zou , Cheng Li , Ruoyou Wu , Tingrui Pei , Hairong Zheng , Shanshan Wang

Deep learning approaches have shown promising performance for compressed sensing-based Magnetic Resonance Imaging. While deep neural networks trained with mean squared error (MSE) loss functions can achieve high peak signal to noise ratio,…

Deep learning models have shown their advantage in many different tasks, including neuroimage analysis. However, to effectively train a high-quality deep learning model, the aggregation of a significant amount of patient information is…

机器学习 · 计算机科学 2020-12-08 Xiaoxiao Li , Yufeng Gu , Nicha Dvornek , Lawrence Staib , Pamela Ventola , James S. Duncan

Recent advances in deep learning methods have come to define the state-of-the-art for many medical imaging applications, surpassing even human judgment in several tasks. Those models, however, when trained to reduce the empirical risk on a…

计算机视觉与模式识别 · 计算机科学 2019-01-14 Christian S. Perone , Pedro Ballester , Rodrigo C. Barros , Julien Cohen-Adad

Sparse neural networks are a key factor in developing resource-efficient machine learning applications. We propose the novel and powerful sparse learning method Adaptive Regularized Training (ART) to compress dense into sparse networks.…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Patrick Glandorf , Timo Kaiser , Bodo Rosenhahn

Magnetic resonance imaging (MRI) has played a crucial role in fetal neurodevelopmental research. Structural annotations of MR images are an important step for quantitative analysis of the developing human brain, with Deep Learning providing…

Graph matching is a challenging problem with very important applications in a wide range of fields, from image and video analysis to biological and biomedical problems. We propose a robust graph matching algorithm inspired in…

最优化与控制 · 数学 2013-11-26 Marcelo Fiori , Pablo Sprechmann , Joshua Vogelstein , Pablo Musé , Guillermo Sapiro

Outstanding achievements of graph neural networks for spatiotemporal time series analysis show that relational constraints introduce an effective inductive bias into neural forecasting architectures. Often, however, the relational…

机器学习 · 计算机科学 2023-08-03 Andrea Cini , Daniele Zambon , Cesare Alippi

Supervised Dictionary Learning has gained much interest in the recent decade and has shown significant performance improvements in image classification. However, in general, supervised learning needs a large number of labelled samples per…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Khanh-Hung Tran , Fred-Maurice Ngole-Mboula , Jean-Luc Starck , Vincent Prost

In complex visual recognition tasks it is typical to adopt multiple descriptors, that describe different aspects of the images, for obtaining an improved recognition performance. Descriptors that have diverse forms can be fused into a…

计算机视觉与模式识别 · 计算机科学 2015-06-15 Jayaraman J. Thiagarajan , Karthikeyan Natesan Ramamurthy , Andreas Spanias

In this study, the problem of computing a sparse representation of multi-dimensional visual data is considered. In general, such data e.g., hyperspectral images, color images or video data consists of signals that exhibit strong local…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Alexandros Gkillas , Dimitris Ampeliotis , Kostas Berberidis

We propose PARSE, a novel semi-supervised architecture for learning strong EEG representations for emotion recognition. To reduce the potential distribution mismatch between the large amounts of unlabeled data and the limited amount of…

机器学习 · 计算机科学 2022-09-28 Guangyi Zhang , Vandad Davoodnia , Ali Etemad

Deep neural networks have emerged as powerful tools for learning operators defined over infinite-dimensional function spaces. However, existing theories frequently encounter difficulties related to dimensionality and limited…

机器学习 · 计算机科学 2026-05-12 Jianfei Li , Shuo Huang , Han Feng , Ding-Xuan Zhou , Gitta Kutyniok

In view of the fact that semi- and self-supervised learning share a fundamental principle, effectively modeling knowledge from unlabeled data, various semi-supervised semantic segmentation methods have integrated representative…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Yangyang Li , Xuanting Hao , Ronghua Shang , Licheng Jiao

We propose a simple and efficient algorithm for learning sparse invariant representations from unlabeled data with fast inference. When trained on short movies sequences, the learned features are selective to a range of orientations and…

计算机视觉与模式识别 · 计算机科学 2011-05-27 Karol Gregor , Yann LeCun

Semantic segmentation is a crucial task in medical imaging. Although supervised learning techniques have proven to be effective in performing this task, they heavily depend on large amounts of annotated training data. The recently…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Ron Keuth , Lasse Hansen , Maren Balks , Ronja Jäger , Anne-Nele Schröder , Ludger Tüshaus , Mattias Heinrich

Neuromorphic hardware tends to pose limits on the connectivity of deep networks that one can run on them. But also generic hardware and software implementations of deep learning run more efficiently for sparse networks. Several methods…

神经与进化计算 · 计算机科学 2018-08-09 Guillaume Bellec , David Kappel , Wolfgang Maass , Robert Legenstein

Visual Place Recognition (VPR) requires robust retrieval of geotagged images despite large appearance, viewpoint, and environmental variation. Prior methods focus on descriptor fine-tuning or fixed sampling strategies yet neglect the…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Shunpeng Chen , Changwei Wang , Rongtao Xu , Xingtian Pei , Yukun Song , Jinzhou Lin , Wenhao Xu , Jingyi Zhang , Li Guo , Shibiao Xu

The study of healthy brain development helps to better understand the brain transformation and brain connectivity patterns which happen during childhood to adulthood. This study presents a sparse machine learning solution across whole-brain…

机器学习 · 计算机科学 2019-04-03 Peyman Hosseinzadeh Kassani , Alexej Gossmann , Yu-Ping Wang