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The horseshoe prior has proven to be a noteworthy alternative for sparse Bayesian estimation, but has previously suffered from two problems. First, there has been no systematic way of specifying a prior for the global shrinkage…

统计方法学 · 统计学 2017-12-18 Juho Piironen , Aki Vehtari

Magnetic Resonance Imaging (MRI) is essential for noninvasive generation of high-quality images of human tissues. Accurate segmentation of MRI data is critical for medical applications like brain anatomy analysis and disease detection.…

最优化与控制 · 数学 2025-10-17 Laura Antonelli , Valentina De Simone , Marco Viola

Imaging assays of cellular function, especially those using fluorescent stains, are ubiquitous in the biological and medical sciences. Despite advances in computer vision, such images are often analyzed using only manual or rudimentary…

计算机视觉与模式识别 · 计算机科学 2017-06-06 Lena R. Bartell , Lawrence J. Bonassar , Itai Cohen

Decoding visual representations from brain signals has attracted significant attention in both neuroscience and artificial intelligence. However, the degree to which brain signals truly encode visual information remains unclear. Current…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Jiawen Zheng , Haonan Jia , Ming Li , Yuhui Zheng , Yufeng Zeng , Yang Gao , Chen Liang

Purpose: Lesion segmentation in medical imaging is key to evaluating treatment response. We have recently shown that reinforcement learning can be applied to radiological images for lesion localization. Furthermore, we demonstrated that…

计算机视觉与模式识别 · 计算机科学 2021-03-22 Joseph Stember , Hrithwik Shalu

Brain networks, graphical models such as those constructed from MRI, have been widely used in pathological prediction and analysis of brain functions. Within the complex brain system, differences in neuronal connection strengths parcellate…

机器学习 · 计算机科学 2023-05-09 Wei Dai , Hejie Cui , Xuan Kan , Ying Guo , Sanne van Rooij , Carl Yang

This paper describes a new approach for learning structures of large Bayesian networks based on blocks resulting from feature space clustering. This clustering is obtained using normalized mutual information. And the subsequent aggregation…

机器学习 · 统计学 2022-08-30 Anna V. Bubnova

Automatic image segmentation becomes very crucial for tumor detection in medical image processing.In general, manual and semi automatic segmentation techniques require more time and knowledge. However these drawbacks had overcome by…

计算机视觉与模式识别 · 计算机科学 2016-03-09 D. Anithadevi , K. Perumal

Decoding human brain activities via functional magnetic resonance imaging (fMRI) has gained increasing attention in recent years. While encouraging results have been reported in brain states classification tasks, reconstructing the details…

人工智能 · 计算机科学 2017-07-12 Changde Du , Changying Du , Huiguang He

The representation of images in the brain is known to be sparse. That is, as neural activity is recorded in a visual area ---for instance the primary visual cortex of primates--- only a few neurons are active at a given time with respect to…

计算机视觉与模式识别 · 计算机科学 2017-01-25 Laurent Perrinet

Hyperspectral images can be represented either as a set of images or as a set of spectra. Spectral classification and segmentation and data reduction are the main problems in hyperspectral image analysis. In this paper we propose a Bayesian…

数据分析、统计与概率 · 物理学 2007-05-23 Ali Mohammad-Djafari , Adel Mohammadpoor , Nadia Bali

Optimising black-box functions is important in many disciplines, such as tuning machine learning models, robotics, finance and mining exploration. Bayesian optimisation is a state-of-the-art technique for the global optimisation of…

机器学习 · 计算机科学 2015-03-05 John-Alexander M. Assael , Ziyu Wang , Bobak Shahriari , Nando de Freitas

Highly clumped nuclei clusters captured in fluorescence in situ hybridization microscopy images are common histology entities under investigations in a wide spectrum of tissue-related biomedical investigations. Due to their large scale in…

计算机视觉与模式识别 · 计算机科学 2018-08-15 Xiaoyuan Guo , Hanyi Yu , Blair Rossetti , George Teodoro , Daniel Brat , Jun Kong

Foundation models (FMs), large neural networks pretrained on extensive and diverse datasets, have revolutionized artificial intelligence and shown significant promise in medical imaging by enabling robust performance with limited labeled…

图像与视频处理 · 电气工程与系统科学 2025-06-17 Salah Ghamizi , Georgia Kanli , Yu Deng , Magali Perquin , Olivier Keunen

Graphs have been commonly used to represent complex data structures. In models dealing with graph-structured data, multivariate parameters may not only exhibit sparse patterns but have structured sparsity and smoothness in the sense that…

统计方法学 · 统计学 2021-10-28 Changwoo J. Lee , Zhao Tang Luo , Huiyan Sang

Hyperspectral unmixing is a blind source separation problem which consists in estimating the reference spectral signatures contained in a hyperspectral image, as well as their relative contribution to each pixel according to a given mixture…

数据分析、统计与概率 · 物理学 2017-11-21 Pierre-Antoine Thouvenin , Nicolas Dobigeon , Jean-Yves Tourneret

The efficacy of family-based approaches to mixture model-based clustering and classification depends on the selection of parsimonious models. Current wisdom suggests the Bayesian information criterion (BIC) for mixture model selection.…

统计方法学 · 统计学 2013-11-12 Sakyajit Bhattacharya , Paul D. McNicholas

Brain network analysis is a useful approach to studying human brain disorders because it can distinguish patients from healthy people by detecting abnormal connections. Due to the complementary information from multiple modal neuroimages,…

图像与视频处理 · 电气工程与系统科学 2023-08-22 Qiankun Zuo , Yanfei Zhu , Libin Lu , Zhi Yang , Yuhui Li , Ning Zhang

Bayesian coresets have emerged as a promising approach for implementing scalable Bayesian inference. The Bayesian coreset problem involves selecting a (weighted) subset of the data samples, such that the posterior inference using the…

机器学习 · 统计学 2021-03-01 Jacky Y. Zhang , Rajiv Khanna , Anastasios Kyrillidis , Oluwasanmi Koyejo

Identification of the so-called dynamic networks is one of the most challenging problems appeared recently in control literature. Such systems consist of large-scale interconnected systems, also called modules. To recover full networks…

统计方法学 · 统计学 2021-07-26 Gianluigi Pillonetto