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Single-cell RNA sequencing (scRNA-seq) enables dissecting cellular heterogeneity in tissues, resulting in numerous biological discoveries. Various computational methods have been devised to delineate cell types by clustering scRNA-seq data…

Quantitative Methods · Quantitative Biology 2023-09-18 Tram Huynh , Zixuan Cang

RNA-Seq technology offers new high-throughput ways for transcript identification and quantification based on short reads, and has recently attracted great interest. The problem is usually modeled by a weighted splicing graph whose nodes…

Quantitative Methods · Quantitative Biology 2013-08-02 Alexandru I. Tomescu , Anna Kuosmanen , Romeo Rizzi , Veli Mäkinen

We present a novel reduced-order Model (ROM) that leverages optimal transport (OT) theory and displacement interpolation to enhance the representation of nonlinear dynamics in complex systems. While traditional ROM techniques face…

Numerical Analysis · Mathematics 2024-11-14 Moaad Khamlich , Federico Pichi , Michele Girfoglio , Annalisa Quaini , Gianluigi Rozza

Single-cell RNA sequencing (scRNA-seq) data exhibit strong and reproducible statistical structure. This has motivated the development of large-scale foundation models, such as TranscriptFormer, that use transformer-based architectures to…

Genomics · Quantitative Biology 2026-02-19 Huan Souza , Pankaj Mehta

Computer Vision has proven to be a powerful tool for analyzing Spatial Transcriptomics (ST) data. However, current models that predict spatially resolved gene expression from histopathology images suffer from significant limitations due to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Paula Cárdenas , Leonardo Manrique , Daniela Vega , Daniela Ruiz , Pablo Arbeláez

Trajectory Representation Learning (TRL) is a powerful tool for spatial-temporal data analysis and management. TRL aims to convert complicated raw trajectories into low-dimensional representation vectors, which can be applied to various…

Machine Learning · Computer Science 2024-03-08 Jiawei Jiang , Dayan Pan , Houxing Ren , Xiaohan Jiang , Chao Li , Jingyuan Wang

Automating sign language translation (SLT) is a challenging real world application. Despite its societal importance, though, research progress in the field remains rather poor. Crucially, existing methods that yield viable performance…

Computation and Language · Computer Science 2021-10-04 Andreas Voskou , Konstantinos P. Panousis , Dimitrios Kosmopoulos , Dimitris N. Metaxas , Sotirios Chatzis

Cell type annotation is a fundamental step in the analysis of single-cell RNA sequencing (scRNA-seq) data. In practice, human experts often rely on the structure revealed by principal component analysis (PCA) followed by $k$-nearest…

Genomics · Quantitative Biology 2026-02-10 Tianxiang Hu , Chenyi Zhou , Jiaxiang Liu , Jiongxin Wang , Ruizhe Chen , Haoxiang Xia , Gaoang Wang , Jian Wu , Zuozhu Liu

Causal abstraction offers a principled framework for mechanistic interpretability, aligning a high-level causal model with the low-level computation realized by a neural network through counterfactual intervention analysis. Existing methods…

Machine Learning · Computer Science 2026-05-11 Jonathn Chang , Arya Datla , Ziv Goldfeld

Simultaneous localization and tracking (SLAT) in sensor networks aims to determine the positions of sensor nodes and a moving target in a network, given incomplete and inaccurate range measurements between the target and each of the…

Optimization and Control · Mathematics 2016-08-14 Pınar Oğuz-Ekim , João Gomes , João Xavier , Paulo Oliveira

Few-Shot Remote Sensing Scene Classification (FS-RSSC) presents the challenge of classifying remote sensing images with limited labeled samples. Existing methods typically emphasize single-modal feature learning, neglecting the potential…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Zhong Ji , Ci Liu , Jingren Liu , Chen Tang , Yanwei Pang , Xuelong Li

Spatial network models are used as a simplified discrete representation in a wide range of applications, e.g., flow in blood vessels, elasticity of fiber based materials, and pore network models of porous materials. Nevertheless, the…

Numerical Analysis · Mathematics 2022-10-17 Moritz Hauck , Axel Målqvist

Spatial transcriptomic (ST) clustering employs spatial and transcription information to group spots spatially coherent and transcriptionally similar together into the same spatial domain. Graph convolution network (GCN) and graph attention…

Quantitative Methods · Quantitative Biology 2023-10-24 Chen Zhang , Junhui Gao , Lingxin Kong , Guangshuo cao , Xiangyu Guo , Wei Liu

Understanding how cellular morphology, gene expression, and spatial context jointly shape tissue function is a central challenge in biology. Image-based spatial transcriptomics technologies now provide high-resolution measurements of cell…

Quantitative Methods · Quantitative Biology 2026-02-17 Zhenglun Kong , Mufan Qiu , John Boesen , Xiang Lin , Sukwon Yun , Tianlong Chen , Manolis Kellis , Marinka Zitnik

Single-cell RNA sequencing (scRNA-seq) profiles large numbers of cells but loses spatial context, whereas spatial transcriptomics (ST) preserves partial spatial structure at lower resolution. Most existing integration methods either…

Machine Learning · Computer Science 2026-05-28 Ehtesamul Azim , Muhtasim Noor Alif , Tae Hyun Hwang , Yanjie Fu , Wei Zhang

Optimal transport (OT) has recently been shown as a promising criterion for unsupervised restoration when no explicit prior model is available. Despite its theoretical appeal, OT still significantly falls short of supervised methods on…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Fei Wen , Wei Wang , Zeyu Yan , Wenbin Jiang

Spatial transcriptomics (ST) captures gene expression within distinct regions (i.e., windows) of a tissue slide. Traditional supervised learning frameworks applied to model ST are constrained to predicting expression from slide image…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Yan Yang , Md Zakir Hossain , Xuesong Li , Shafin Rahman , Eric Stone

We present the Super-Localized Orthogonal Decomposition (SLOD) method for the numerical homogenization of linear elasticity problems with multiscale microstructures modeled by a heterogeneous coefficient field without any periodicity or…

Numerical Analysis · Mathematics 2025-01-10 Camilla Belponer , José C. Garay , Peter Munch , Daniel Peterseim

This paper describes a novel paradigm that formalizes automatic piano transcription (APT) as an optimal transport (OT) problem, not as a frame-level multi-label binary classification problem. Our method learns to minimize the cost of…

Sound · Computer Science 2026-05-19 Weixing Wei , Raynaldi Lalang , Dichucheng Li , Kazuyoshi Yoshii

Single-cell spatial transcriptomics (ST) offers a unique approach to measuring gene expression profiles and spatial cell locations simultaneously. However, most existing ST methods assume that cells in closer spatial proximity exhibit more…

Genomics · Quantitative Biology 2025-06-10 Xiongtao Xiao , Xiaofeng Chen , Feiyan Jiang , Songming Zhang , Wenming Cao , Cheng Tan , Zhangyang Gao , Zhongshan Li