English
Related papers

Related papers: CellStream: Dynamical Optimal Transport Informed E…

200 papers

The intrinsic dynamics and event-driven nature of spiking neural networks (SNNs) make them excel in processing temporal information by naturally utilizing embedded time sequences as time steps. Recent studies adopting this approach have…

Machine Learning · Computer Science 2024-12-18 Jiaqi Wang , Liutao Yu , Liwei Huang , Chenlin Zhou , Han Zhang , Zhenxi Song , Min Zhang , Zhengyu Ma , Zhiguo Zhang

Most of the dynamic graph representation learning methods involve dividing a dynamic graph into discrete snapshots to capture the evolving behavior of nodes over time. Existing methods primarily capture only local or global structures of…

Machine Learning · Computer Science 2025-12-23 Bizhan Alipour Pijan , Serdar Bozdag

Single-cell trajectory inference from destructive time-course snapshots is fundamentally ill-posed: neither cross-time cell correspondences nor continuous trajectories are observed, so the snapshot distributions alone do not uniquely…

Genomics · Quantitative Biology 2026-05-29 Chenglei Yu , Chuanrui Wang , Bangyan Liao , Tailin Wu

Spatial transcriptomics data analysis integrates cellular transcriptional activity with spatial coordinates to identify spatial domains, infer cell-type dynamics, and characterize gene expression patterns within tissues. Despite recent…

Quantitative Methods · Quantitative Biology 2026-03-25 Sean Cottrell , Guo-Wei Wei , Longxiu Huang

We propose a novel method, scTree, for single-cell Tree Variational Autoencoders, extending a hierarchical clustering approach to single-cell RNA sequencing data. scTree corrects for batch effects while simultaneously learning a…

Machine Learning · Computer Science 2024-07-11 Moritz Vandenhirtz , Florian Barkmann , Laura Manduchi , Julia E. Vogt , Valentina Boeva

Network inference, the task of reconstructing interactions in a complex system from experimental observables, is a central yet extremely challenging problem in systems biology. While much progress has been made in the last two decades,…

Quantitative Methods · Quantitative Biology 2024-09-12 Stephen Y Zhang

Cell clustering is crucial for uncovering cellular heterogeneity in single-cell RNA sequencing (scRNA-seq) data by identifying cell types and marker genes. Despite its importance, benchmarks for scRNA-seq clustering methods remain…

Genomics · Quantitative Biology 2025-12-03 Ping Xu , Zaitian Wang , Zhirui Wang , Pengjiang Li , Jiajia Wang , Ran Zhang , Pengfei Wang , Yuanchun Zhou

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…

Quantitative Methods · Quantitative Biology 2025-12-22 Selim Romero , Vignesh S. Kumar , Robert S. Chapkin , James J. Cai

Reconstructing dynamics using samples from sparsely time-resolved snapshots is an important problem in both natural sciences and machine learning. Here, we introduce a new deep learning approach for solving regularized unbalanced optimal…

Machine Learning · Computer Science 2025-05-09 Zhenyi Zhang , Tiejun Li , Peijie Zhou

Cells are the fundamental unit of biological organization, and identifying them in imaging data - cell segmentation - is a critical task for various cellular imaging experiments. While deep learning methods have led to substantial progress…

Conventional physically based rendering (PBR) pipelines generate photorealistic images through computationally intensive light transport simulations. Although recent deep learning approaches leverage diffusion model priors with geometry…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Shenghao Zhang , Runtao Liu , Christopher Schroers , Yang Zhang

Single-cell RNA sequencing (scRNA-seq) is powerful technology that allows researchers to understand gene expression patterns at the single-cell level. However, analysing scRNA-seq data is challenging due to issues and biases in data…

Genomics · Quantitative Biology 2023-12-14 Jinlu Liu , Sara Wade , Natalia Bochkina

Spatial transcriptomics enables gene expression profiling with spatial context, offering unprecedented insights into the tissue microenvironment. However, most computational models treat genes as isolated numerical features, ignoring the…

Machine Learning · Computer Science 2025-11-17 Jiangkai Long , Yanran Zhu , Chang Tang , Kun Sun , Yuanyuan Liu , Xuesong Yan

Repetitive DNA (repeats) poses significant challenges for accurate and efficient genome assembly and sequence alignment. This is particularly true for metagenomic data, where genome dynamics such as horizontal gene transfer, gene…

Machine Learning · Computer Science 2024-02-15 Ali Azizpour , Advait Balaji , Todd J. Treangen , Santiago Segarra

Unsupervised representation learning, particularly sequential disentanglement, aims to separate static and dynamic factors of variation in data without relying on labels. This remains a challenging problem, as existing approaches based on…

Machine Learning · Computer Science 2025-10-08 Hedi Zisling , Ilan Naiman , Nimrod Berman , Supasorn Suwajanakorn , Omri Azencot

Event cameras are bio-inspired vision sensor that encode visual information with high dynamic range, high temporal resolution, and low latency.Current state-of-the-art event stream processing methods rely on end-to-end deep learning…

Neurons and Cognition · Quantitative Biology 2025-10-01 Yu Chen , Jing Lian , Zhaofei Yu , Jizhao Liu , Jisheng Dang , Gang Wang

Recent trends in cell segmentation have shifted towards universal models to handle diverse cell morphologies and imaging modalities. However, for continuously emerging cell types and imaging techniques, these models still require hundreds…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Peilin Zhou , Bo Du , Yongchao Xu

Single-cell RNA sequencing (scRNA-seq) allows transcriptional profiling, and cell-type annotation of individual cells. However, sample preparation in typical scRNA-seq experiments often homogenizes the samples, thus spatial locations of…

Applications · Statistics 2024-08-28 Junhao Zhu , Kevin Zhang , Dehan Kong , Zhaolei Zhang

Motivation: Innovative microfluidic systems carry the promise to greatly facilitate spatio-temporal analysis of single cells under well-defined environmental conditions, allowing novel insights into population heterogeneity and opening new…

Machine Learning · Computer Science 2021-05-18 Dominik Stallmann , Jan P. Göpfert , Julian Schmitz , Alexander Grünberger , Barbara Hammer

A temporal network -- a collection of snapshots recording the evolution of a network whose links appear and disappear dynamically -- can be interpreted as a trajectory in graph space. In order to characterize the complex dynamics of such…

Physics and Society · Physics 2025-05-16 Lucas Lacasa , F. Javier Marín-Rodríguez , Naoki Masuda , Lluís Arola-Fernández