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In this paper we recast the problem of missing values in the covariates of a regression model as a latent Gaussian Markov random field (GMRF) model in a fully Bayesian framework. Our proposed approach is based on the definition of the…

统计计算 · 统计学 2019-12-24 Virgilio Gómez-Rubio , Michela Cameletti , Marta Blangiardo

Single-cell RNA sequencing (scRNA-seq), especially temporally resolved datasets, enables genome-wide profiling of gene expression dynamics at single-cell resolution across discrete time points. However, current technologies provide only…

基因组学 · 定量生物学 2025-11-19 Yue Ling , Peiqi Zhang , Zhenyi Zhang , Peijie Zhou

Supervised deep learning methods for segmentation require large amounts of labelled training data, without which they are prone to overfitting, not generalizing well to unseen images. In practice, obtaining a large number of annotations…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Krishna Chaitanya , Neerav Karani , Christian Baumgartner , Olivio Donati , Anton Becker , Ender Konukoglu

Single-cell RNA sequencing provides insights into gene expression at single-cell resolution, yet inferring temporal processes from these static snapshot measurements remains a fundamental challenge. Current approaches utilizing neural…

机器学习 · 计算机科学 2026-05-21 Mehmet Yigit Balik , Harri Lähdesmäki

High-resolution spatial transcriptomics platforms, such as Xenium, generate single-cell images that capture both molecular and spatial context, but their extremely high dimensionality poses major challenges for representation learning and…

Spatial transcriptomics allows researchers to visualize and analyze gene expression within the precise location of tissues or cells. It provides spatially resolved gene expression data but often lacks cellular resolution, necessitating cell…

定量方法 · 定量生物学 2025-10-27 Jiasen Zhang , Xi Qiao , Liangliang Zhang , Weihong Guo

Spatial transcriptomics (ST) measures mRNA expression while preserving spatial organization, but multi-slice analysis faces two coupled difficulties: large non-rigid deformations across slices and inter-slice batch effects when alignment…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Bonian Han , Cong Qi , Przemyslaw Musialski , Zhi Wei

Digitization techniques for biomedical images yield different visual patterns in radiological exams. These differences may hamper the use of data-driven approaches for inference over these images, such as Deep Neural Networks. Another…

计算机视觉与模式识别 · 计算机科学 2019-12-10 Hugo Oliveira , Edemir Ferreira , Jefersson A. dos Santos

Several modern genomic technologies, such as DNA-Methylation arrays, measure spatially registered probes that number in the hundreds of thousands across multiplechromosomes. The measured probes are by themselves less interesting…

应用统计 · 统计学 2016-11-16 John Nagorski , Genevera I. Allen

Inductive bias is a key factor in spatial regression models, determining how well a model can learn from limited data and capture spatial patterns. This work revisits the inductive biases in Geographically Neural Network Weighted Regression…

机器学习 · 计算机科学 2025-07-23 Zhenyuan Chen

The amount of training data that is required to train a classifier scales with the dimensionality of the feature data. In hyperspectral remote sensing, feature data can potentially become very high dimensional. However, the amount of…

计算机视觉与模式识别 · 计算机科学 2018-07-04 AmirAbbas Davari , Erchan Aptoula , Berrin Yanikoglu , Andreas Maier , Christian Riess

The Genetic Algorithm is a heuristic that can be used to produce model independent solutions to an optimization problem, thus making it ideal for use in cosmology and more specifically in the analysis of type Ia supernovae data. In this…

宇宙学与河外天体物理 · 物理学 2011-03-18 Savvas Nesseris

Generative Adversarial Networks (GANs) have shown great performance on super-resolution problems since they can generate more visually realistic images and video frames. However, these models often introduce side effects into the outputs,…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Xijun Wang , Santiago López-Tapia , Alice Lucas , Xinyi Wu , Rafael Molina , Aggelos K. Katsaggelos

There has been increased interest in missing sensor data imputation, which is ubiquitous in the field of structural health monitoring (SHM) due to discontinuous sensing caused by sensor malfunction. To address this fundamental issue, this…

机器学习 · 计算机科学 2020-07-20 Pu Ren , Xinyu Chen , Lijun Sun , Hao Sun

Public health data are often spatially dependent, but standard spatial regression methods can suffer from bias and invalid inference when the independent variable is associated with spatially-correlated residuals. This could occur if, for…

统计方法学 · 统计学 2025-04-10 Nate Wiecha , Jane A. Hoppin , Brian J. Reich

Predicting protein secondary structure is a fundamental problem in protein structure prediction. Here we present a new supervised generative stochastic network (GSN) based method to predict local secondary structure with deep hierarchical…

定量方法 · 定量生物学 2014-03-07 Jian Zhou , Olga G. Troyanskaya

Indoor Positioning based on Machine Learning has drawn increasing attention both in the academy and the industry as meaningful information from the reference data can be extracted. Many researchers are using supervised, semi-supervised, and…

信号处理 · 电气工程与系统科学 2022-11-29 Darwin Quezada-Gaibor , Joaquín Torres-Sospedra , Jari Nurmi , Yevgeni Koucheryavy , Joaquín Huerta

This paper presents an efficient variational inference framework for deriving a family of structured gaussian process regression network (SGPRN) models. The key idea is to incorporate auxiliary inducing variables in latent functions and…

机器学习 · 计算机科学 2021-11-19 Rui Meng , Herbie Lee , Kristofer Bouchard

Modeling cellular dynamics from single-cell RNA sequencing (scRNA-seq) data is critical for understanding cell development and underlying gene regulatory relationships. Many current methods rely on single-cell velocity to obtain pseudotime,…

分子网络 · 定量生物学 2024-10-25 Zhen Zhou , Jiachen Li , Hongyi Xin , Xiaoyong Pan , Hong-Bin Shen

Image-based sequencing of mRNA makes it possible to see where in a tissue sample a given gene is active, and thus discern large numbers of different cell types in parallel. This is crucial for gaining a better understanding of tissue…

定量方法 · 定量生物学 2018-02-27 Gabriele Partel , Giorgia Milli , Carolina Wählby
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