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Independent Component Analysis (ICA) is a popular model for blind signal separation. The ICA model assumes that a number of independent source signals are linearly mixed to form the observed signals. We propose a new algorithm, PEGI (for…

机器学习 · 计算机科学 2015-10-02 James Voss , Mikhail Belkin , Luis Rademacher

This paper presents a novel generative model, Collaborative Competitive Agents (CCA), which leverages the capabilities of multiple Large Language Models (LLMs) based agents to execute complex tasks. Drawing inspiration from Generative…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Tiankai Hang , Shuyang Gu , Dong Chen , Xin Geng , Baining Guo

Generative Adversarial Networks (GANs) can help overcome data scarcity in computer vision tasks by generating additional training samples. In this work, we explore generative data augmentation in two low-resource domains: Bangla handwritten…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Md. Sohanuzzaman Soad , Mahady Al Hady , S M Rafiuddin Rifat , Sudip Ghose

Independent component analysis (ICA) has become a standard data analysis technique applied to an array of problems in signal processing and machine learning. This tutorial provides an introduction to ICA based on linear algebra formulating…

机器学习 · 计算机科学 2014-04-14 Jonathon Shlens

In this work, we propose a novel data augmentation method for clinical audio datasets based on a conditional Wasserstein Generative Adversarial Network with Gradient Penalty (cWGAN-GP), operating on log-mel spectrograms. To validate our…

声音 · 计算机科学 2025-02-11 Matthias Seibold , Armando Hoch , Mazda Farshad , Nassir Navab , Philipp Fürnstahl

Diffusion magnetic resonance imaging (diffusion MRI) is a non-invasive microstructure assessment technique. Scalar measures, such as FA (fractional anisotropy) and MD (mean diffusivity), quantifying micro-structural tissue properties can be…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Xuan Gu , Hans Knutsson , Markus Nilsson , Anders Eklund

Fetal brain magnetic resonance imaging serves as an emerging modality for prenatal counseling and diagnosis in disorders affecting the brain. Machine learning based segmentation plays an important role in the quantification of brain…

图像与视频处理 · 电气工程与系统科学 2022-09-21 Marina Fernandez Garcia , Rodrigo Gonzalez Laiz , Hui Ji , Kelly Payette , Andras Jakab

Independent component analysis (ICA) is a cornerstone of modern data analysis. Its goal is to recover a latent random vector S with independent components from samples of X=AS where A is an unknown mixing matrix. Critically, all existing…

机器学习 · 统计学 2018-04-04 Nilin Abrahamsen , Philippe Rigollet

Magnetic Resonance Imaging (MRI) is a vital modality for gaining precise anatomical information, and it plays a significant role in medical imaging for diagnosis and therapy planning. Image synthesis problems have seen a revolution in…

图像与视频处理 · 电气工程与系统科学 2024-04-16 Drici Mourad , Kazeem Oluwakemi Oseni

Capturing high-resolution magnetic resonance (MR) images is a time consuming process, which makes it unsuitable for medical emergencies and pediatric patients. Low-resolution MR imaging, by contrast, is faster than its high-resolution…

图像与视频处理 · 电气工程与系统科学 2022-01-25 Sahar Almahfouz Nasser , Saqib Shamsi , Valay Bundele , Bhavesh Garg , Amit Sethi

Objective. Standard Magnetic Resonance Imaging (MRI) reconstruction pipelines discard phase information captured during acquisition, despite evidence that it encodes tissue properties relevant to tumor diagnosis. Current machine learning…

图像与视频处理 · 电气工程与系统科学 2026-04-17 Marco Schlimbach , Moritz Rempe , Jessica Mnischek , Lukas T. Rotkopf , Jens Weingarten , Jens Kleesiek , Kevin Kröninger

An unprecedented amount of existing functional Magnetic Resonance Imaging (fMRI) data provides a new opportunity to understand the relationship between functional fluctuation and human cognition/behavior using a data-driven approach. To…

机器学习 · 计算机科学 2024-09-18 Jiaqi Ding , Tingting Dan , Ziquan Wei , Hyuna Cho , Paul J. Laurienti , Won Hwa Kim , Guorong Wu

Independent component analysis (ICA), is a blind source separation method that is becoming increasingly used to separate brain and non-brain related activities in electroencephalographic (EEG) and other electrophysiological recordings. It…

信号处理 · 电气工程与系统科学 2022-10-18 Gwenevere Frank , Scott Makeig , Arnaud Delorme

Disease severity regression by a convolutional neural network (CNN) for medical images requires a sufficient number of image samples labeled with severity levels. Conditional generative adversarial network (cGAN)-based data augmentation…

图像与视频处理 · 电气工程与系统科学 2023-02-27 Shumpei Takezaki , Kiyohito Tanaka , Seiichi Uchida , Takeaki Kadota

Various studies have shown the advantages of using Machine Learning (ML) techniques for analog and digital IC design automation and optimization. Data scarcity is still an issue for electronic designs, while training highly accurate ML…

机器学习 · 计算机科学 2023-02-16 Prasha Srivastava , Pawan Kumar , Zia Abbas

Achieving accurate human identification through RF imaging has been a persistent challenge, primarily attributed to the limited aperture size and its consequent impact on imaging resolution. The existing imaging solution enables tasks such…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Sakila S. Jayaweera , Sai Deepika Regani , Yuqian Hu , Beibei Wang , K. J. Ray Liu

We introduce coroICA, confounding-robust independent component analysis, a novel ICA algorithm which decomposes linearly mixed multivariate observations into independent components that are corrupted (and rendered dependent) by hidden…

机器学习 · 统计学 2019-10-31 Niklas Pfister , Sebastian Weichwald , Peter Bühlmann , Bernhard Schölkopf

Carrying out clinical diagnosis of retinal vascular degeneration using Fluorescein Angiography (FA) is a time consuming process and can pose significant adverse effects on the patient. Angiography requires insertion of a dye that may cause…

图像与视频处理 · 电气工程与系统科学 2021-10-20 Sharif Amit Kamran , Khondker Fariha Hossain , Alireza Tavakkoli , Stewart Lee Zuckerbrod , Salah A. Baker , Kenton M. Sanders

Magnetic Resonance Imaging (MRI) of the brain has been used to investigate a wide range of neurological disorders, but data acquisition can be expensive, time-consuming, and inconvenient. Multi-site studies present a valuable opportunity to…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Harrison Nguyen , Richard W. Morris , Anthony W. Harris , Mayuresh S. Korgoankar , Fabio Ramos

Dynamic functional connectivity (dFC) using resting-state functional magnetic resonance imaging (rs-fMRI) is an advanced technique for capturing the dynamic changes of neural activities, and can be very useful in the studies of brain…

图像与视频处理 · 电气工程与系统科学 2025-01-29 Jing Zhang , Yanjun Lyu , Xiaowei Yu , Lu Zhang , Chao Cao , Tong Chen , Minheng Chen , Yan Zhuang , Tianming Liu , Dajiang Zhu
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