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The evaluation and treatment of acute cerebral ischemia requires a technique that can determine the total area of tissue at risk for infarction using diagnostic magnetic resonance imaging (MRI) sequences. Typical MRI data sets consist of…

Computer Vision and Pattern Recognition · Computer Science 2016-06-14 Vishwa S. Parekh , Jeremy R. Jacobs , Michael A. Jacobs

Latent diffusion models for medical image super-resolution universally inherit variational autoencoders designed for natural photographs. We show that this default choice, not the diffusion architecture, is the dominant constraint on…

We propose a method to facilitate exploration and analysis of new large data sets. In particular, we give an unsupervised deep learning approach to learning a latent representation that captures semantic similarity in the data set. The core…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Gary B Huang , Huei-Fang Yang , Shin-ya Takemura , Pat Rivlin , Stephen M Plaza

We consider learning representations (features) in the setting in which we have access to multiple unlabeled views of the data for learning while only one view is available for downstream tasks. Previous work on this problem has proposed…

Machine Learning · Computer Science 2016-02-03 Weiran Wang , Raman Arora , Karen Livescu , Jeff Bilmes

Humans are able to create rich representations of their external reality. Their internal representations allow for cross-modality inference, where available perceptions can induce the perceptual experience of missing input modalities. In…

Machine Learning · Computer Science 2020-06-05 Miguel Vasco , Francisco S. Melo , Ana Paiva

One way to improve the estimation of time varying channels is to incorporate knowledge of previous observations. In this context, Dynamical VAEs (DVAEs) build a promising deep learning (DL) framework which is well suited to learn the…

Signal Processing · Electrical Eng. & Systems 2022-11-04 Benedikt Böck , Michael Baur , Valentina Rizzello , Wolfgang Utschick

Accurately predicting counterfactual user feedback is essential for building effective recommender systems. However, latent confounding bias can obscure the true causal relationship between user feedback and item exposure, ultimately…

Information Retrieval · Computer Science 2025-05-23 Jianfeng Deng , Qingfeng Chen , Debo Cheng , Jiuyong Li , Lin Liu , Shichao Zhang

We propose a new representation of visual data that disentangles object position from appearance. Our method, termed Deep Latent Particles (DLP), decomposes the visual input into low-dimensional latent ``particles'', where each particle is…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Tal Daniel , Aviv Tamar

Recent advancements in learning Discrete Representations as opposed to continuous ones have led to state of art results in tasks that involve Language, Audio and Vision. Some latent factors such as words, phonemes and shapes are better…

Machine Learning · Computer Science 2020-04-14 Iordanis Fostiropoulos

Diagnosing rare diseases presents a common challenge in clinical practice, necessitating the expertise of specialists for accurate identification. The advent of machine learning offers a promising solution, while the development of such…

Machine Learning · Computer Science 2024-03-12 Yifan Wu , Yang Liu , Yue Yang , Michael S. Yao , Wenli Yang , Xuehui Shi , Lihong Yang , Dongjun Li , Yueming Liu , James C. Gee , Xuan Yang , Wenbin Wei , Shi Gu

Integrating the different data modalities of cancer patients can significantly improve the predictive performance of patient survival. However, most existing methods ignore the simultaneous utilization of rich semantic features at different…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Liangrui Pan , Yijun Peng , Yan Li , Yiyi Liang , Liwen Xu , Qingchun Liang , Shaoliang Peng

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…

Machine Learning · Computer Science 2018-12-18 Jack Klys , Jake Snell , Richard Zemel

This paper presents a novel deep learning-based method for learning a functional representation of mammalian neural images. The method uses a deep convolutional denoising autoencoder (CDAE) for generating an invariant, compact…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Ido Cohen , Eli David , Nathan S. Netanyahu , Noa Liscovitch , Gal Chechik

Interpretable machine learning is rapidly becoming a crucial tool for scientific discovery. Among existing approaches, variational autoencoders (VAEs) have shown promise in extracting the hidden physical features of some input data, with no…

With the development of medical imaging technology and machine learning, computer-assisted diagnosis which can provide impressive reference to pathologists, attracts extensive research interests. The exponential growth of medical images and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Xiao Kang , Xingbo Liu , Xiushan Nie , Yilong Yin

Deep learning shows high potential for many medical image analysis tasks. Neural networks can work with full-size data without extensive preprocessing and feature generation and, thus, information loss. Recent work has shown that the…

Deep learning methods based on Convolutional Neural Networks (CNNs) have shown great potential to improve early and accurate diagnosis of Alzheimer's disease (AD) dementia based on imaging data. However, these methods have yet to be widely…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Wenjie Kang , Lize Jiskoot , Peter De Deyn , Geert Biessels , Huiberdina Koek , Jurgen Claassen , Huub Middelkoop , Wiesje Flier , Willemijn J. Jansen , Stefan Klein , Esther Bron

Non-invasive inference of molecular tumor characteristics from medical imaging is a central goal of radiogenomics, particularly in glioblastoma (GBM), where O6-methylguanine-DNA methyltransferase (MGMT) promoter methylation carries…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Mariya Miteva , Maria Nisheva-Pavlova

Interpretability is a key issue when applying deep learning models to longitudinal brain MRIs. One way to address this issue is by visualizing the high-dimensional latent spaces generated by deep learning via self-organizing maps (SOM). SOM…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Jiahong Ouyang , Qingyu Zhao , Ehsan Adeli , Wei Peng , Greg Zaharchuk , Kilian M. Pohl

Foundation models pretrained on large-scale 3D medical imaging data face challenges when adapted to multiple downstream tasks under continual learning with limited labeled data. We address few-shot continual learning for 3D brain MRI by…

Image and Video Processing · Electrical Eng. & Systems 2026-03-02 Chi-Sheng Chen , Xinyu Zhang , Guan-Ying Chen , Qiuzhe Xie , Fan Zhang , En-Jui Kuo