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RNA-Seq technology allows for studying the transcriptional state of the cell at an unprecedented level of detail. Beyond quantification of whole-gene expression, it is now possible to disentangle the abundance of individual alternatively…

基因组学 · 定量生物学 2012-10-11 Barbara Rakitsch , Christoph Lippert , Hande Topa , Karsten Borgwardt , Antti Honkela , Oliver Stegle

The advancement of single-cell RNA-sequencing (scRNA-seq) technologies allow us to study the individual level cell-type-specific gene expression networks by direct inference of genes' conditional independence structures. scRNA-seq data…

统计方法学 · 统计学 2024-09-20 Changhao Ge , Hongzhe Li

Acquiring genomes at single-cell resolution has many applications such as in the study of microbiota. However, deep sequencing and assembly of all of millions of cells in a sample is prohibitively costly. A property that can come to rescue…

基因组学 · 定量生物学 2014-04-29 Zeinab Taghavi

Single-cell RNA sequencing (scRNA-seq) has revolutionized our ability to analyze gene expression at the resolution of individual cells, providing unprecedented insights into cellular heterogeneity and complex biological systems. This paper…

其他定量生物学 · 定量生物学 2024-06-11 Megha Patel , Nimish Magre , Himanshi Motwani , Nik Bear Brown

Four-dimensional scanning transmission electron microscopy (4D-STEM) enables mapping of diffraction information with nanometer-scale spatial resolution, offering detailed insight into local structure, orientation, and strain. However, as…

Clustering analysis is fundamental in single-cell RNA sequencing (scRNA-seq) data analysis for elucidating cellular heterogeneity and diversity. Recent graph-based scRNA-seq clustering methods, particularly graph neural networks (GNNs),…

机器学习 · 计算机科学 2025-07-15 Ping Xu , Pengfei Wang , Zhiyuan Ning , Meng Xiao , Min Wu , Yuanchun Zhou

The Regression Discontinuity Design (RDD) is a quasi-experimental design that estimates the causal effect of a treatment when its assignment is defined by a threshold value for a continuous assignment variable. The RDD assumes that subjects…

应用统计 · 统计学 2020-03-27 Federico Ricciardi , Silvia Liverani , Gianluca Baio

Image diffusion distillation achieves high-fidelity generation with very few sampling steps. However, applying these techniques directly to video diffusion often results in unsatisfactory frame quality due to the limited visual quality in…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Yuanhao Zhai , Kevin Lin , Zhengyuan Yang , Linjie Li , Jianfeng Wang , Chung-Ching Lin , David Doermann , Junsong Yuan , Lijuan Wang

Sequential change-point detection seeks to rapidly identify distributional changes in streaming data while controlling false alarms. Existing multi-stream detection methods typically rely on non-private access to raw observations or…

统计理论 · 数学 2026-04-16 Lixing Zhang , Liyan Xie , Ruizhi Zhang

In this paper, we propose Discriminative Neural Clustering (DNC) that formulates data clustering with a maximum number of clusters as a supervised sequence-to-sequence learning problem. Compared to traditional unsupervised clustering…

音频与语音处理 · 电气工程与系统科学 2020-11-24 Qiujia Li , Florian L. Kreyssig , Chao Zhang , Philip C. Woodland

Until recently, transcriptomics was limited to bulk RNA sequencing, obscuring the underlying expression patterns of individual cells in favor of a global average. Thanks to technological advances, we can now profile gene expression across…

In recent years, the field of single-cell data analysis has seen a marked advancement in the development of clustering methods. Despite advancements, most of these algorithms still concentrate on analyzing the provided single-cell matrix…

机器学习 · 计算机科学 2023-12-18 Dayu Hu , Ke Liang , Hao Yu , Xinwang Liu

In this paper, we study different discrete data clustering methods, which use the Model-Based Clustering (MBC) framework with the Multinomial distribution. Our study comprises several relevant issues, such as initialization, model…

机器学习 · 计算机科学 2015-09-08 Md. Abul Hasnat , Julien Velcin , Stéphane Bonnevay , Julien Jacques

Dirichlet Process Mixture Models (DPMMs) are widely used to address clustering problems. Their main advantage lies in their ability to automatically estimate the number of clusters during the inference process through the Bayesian…

机器学习 · 统计学 2023-12-19 Reda Khoufache , Mustapha Lebbah , Hanene Azzag , Etienne Goffinet , Djamel Bouchaffra

The Dirichlet Process Gaussian Mixture Model (DPGMM) is often used to cluster data when the number of clusters is unknown. One main DPGMM inference paradigm relies on sampling. Here we consider a known state-of-art sampler (proposed by…

机器学习 · 计算机科学 2022-03-28 Vlad Winter , Or Dinari , Oren Freifeld

Discrete diffusion or flow models could enable faster and more controllable sequence generation than autoregressive models. We show that na\"ive linear flow matching on the simplex is insufficient toward this goal since it suffers from…

生物大分子 · 定量生物学 2024-06-03 Hannes Stark , Bowen Jing , Chenyu Wang , Gabriele Corso , Bonnie Berger , Regina Barzilay , Tommi Jaakkola

Diffusion models (DMs) have emerged as powerful foundation models for a variety of tasks, with a large focus in synthetic image generation. However, their requirement of large annotated datasets for training limits their applicability in…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Guillermo Jimenez-Perez , Pedro Osorio , Josef Cersovsky , Javier Montalt-Tordera , Jens Hooge , Steffen Vogler , Sadegh Mohammadi

Direct cDNA preamplification protocols developed for single-cell RNA-seq have enabled transcriptome profiling of precious clinical samples and rare cells without sample pooling or RNA extraction. Currently, there is no algorithm optimized…

Single-cell RNA sequencing (scRNA-seq) data simulation is limited by classical methods that rely on linear correlations, failing to capture the intrinsic, nonlinear dependencies. No existing simulator jointly models gene-gene and cell-cell…

定量方法 · 定量生物学 2025-12-22 Selim Romero , Vignesh S. Kumar , Robert S. Chapkin , James J. Cai

High-dimensional point cloud data arise across many scientific domains, especially single-cell biology. The shapes or topologies of these datasets determine the types of information that can be extracted. For example, clustered data…