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"Is it possible to predict expression levels of different genes at a given spatial location in the routine histology image of a tumor section by modeling its stain absorption characteristics?" In this work, we propose a "stain-aware"…

Image and Video Processing · Electrical Eng. & Systems 2021-08-27 Muhammad Dawood , Kim Branson , Nasir M. Rajpoot , Fayyaz ul Amir Afsar Minhas

Spatial statistical models are commonly used in geographical scenarios to ensure spatial variation is captured effectively. However, spatial models and cluster algorithms can be complicated and expensive. This paper pursues three main…

Domain Generalization (DG) is a challenging task in machine learning that requires a coherent ability to comprehend shifts across various domains through extraction of domain-invariant features. DG performance is typically evaluated by…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Yiran Luo , Joshua Feinglass , Tejas Gokhale , Kuan-Cheng Lee , Chitta Baral , Yezhou Yang

The discovery of disease subtypes is an essential step for developing precision medicine, and disease subtyping via omics data has become a popular approach. While promising, subtypes obtained from conventional approaches may not be…

Applications · Statistics 2023-09-28 Lingsong Meng , Zhiguang Huo

In recent years, the advent of spatial transcriptomics (ST) technology has unlocked unprecedented opportunities for delving into the complexities of gene expression patterns within intricate biological systems. Despite its transformative…

Image and Video Processing · Electrical Eng. & Systems 2024-07-12 Wenwen Min , Zhiceng Shi , Jun Zhang , Jun Wan , Changmiao Wang

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…

Quantitative Methods · Quantitative Biology 2014-03-07 Jian Zhou , Olga G. Troyanskaya

With the rapid development of the latest Spatially Resolved Transcriptomics (SRT) technology, which allows for the mapping of gene expression within tissue sections, the integrative analysis of multiple SRT data has become increasingly…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Donghai Fang , Fangfang Zhu , Wenwen Min

Next-generation sequencing technologies provide a revolutionary tool for generating gene expression data. Starting with a fixed RNA sample, they construct a library of millions of differentially abundant short sequence tags or "reads",…

Quantitative Methods · Quantitative Biology 2014-05-13 Dimitrios V. Vavoulis , Julian Gough

Extracting an understanding of the underlying system from high dimensional data is a growing problem in science. Discovering informative and meaningful features is crucial for clustering, classification, and low dimensional data embedding.…

Machine Learning · Statistics 2019-12-10 Samuel Melton , Sharad Ramanathan

Semi-Supervised Semantic Segmentation (SSSS) aims to improve segmentation accuracy by leveraging a small set of labeled images alongside a larger pool of unlabeled data. Recent advances primarily focus on pseudo-labeling, consistency…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Dinh Dai Quan Tran , Hoang-Thien Nguyen , Thanh-Huy Nguyen , Gia-Van To , Tien-Huy Nguyen , Quan Nguyen

In several environmental applications data are functions of time, essentially con- tinuous, observed and recorded discretely, and spatially correlated. Most of the methods for analyzing such data are extensions of spatial statistical tools…

Methodology · Statistics 2011-06-28 Elvira Romano , Antonio Balzanella , Rosanna Verde

Inferring spatially resolved gene expression from histology images offers a cost-effective complement to spatial transcriptomics (ST). However, existing methods reduce this task to a simple morphology-to-expression mapping, where visual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Junchao Zhu , Ruining Deng , Junlin Guo , Tianyuan Yao , Chongyu Qu , Juming Xiong , Zhengyi Lu , Yanfan Zhu , Marilyn Lionts , Yuechen Yang , Yu Wang , Shilin Zhao , Haichun Yang , Yuankai Huo

State-of-the-art models in semantic segmentation primarily operate on single, static images, generating corresponding segmentation masks. This one-shot approach leaves little room for error correction, as the models lack the capability to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Foivos I. Diakogiannis , Suzanne Furby , Peter Caccetta , Xiaoliang Wu , Rodrigo Ibata , Ondrej Hlinka , John Taylor

In Self-Supervised Learning (SSL), models are typically pretrained, fine-tuned, and evaluated on the same domains. However, they tend to perform poorly when evaluated on unseen domains, a challenge that Unsupervised Domain Generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Marin Scalbert , Maria Vakalopoulou , Florent Couzinié-Devy

Introduction The focus of analyzing data from microarray experiments and extracting biological insight from such data has experienced a shift from identification of individual genes in association with a phenotype to that of biological…

Genomics · Quantitative Biology 2015-08-10 Lei Zhang , Linlin Wang , Pu Tian , Suyan Tian

Regionalization is the task of dividing up a landscape into homogeneous patches with similar properties. Although this task has a wide range of applications, it has two notable challenges. First, it is assumed that the resulting regions are…

Machine Learning · Computer Science 2019-05-22 Shuai Yuan , Pang-Ning Tan , Kendra Spence Cheruvelil , Sarah M. Collins , Patricia A. Soranno

Biclustering is a powerful unsupervised learning technique for simultaneously identifying coherent subsets of rows and columns in a data matrix, thus revealing local patterns that may not be apparent in global analyses. However, most…

Methodology · Statistics 2026-03-20 Sijian Fan , Ray Bai

Predicting stable and metastable structures is central to molecular and materials discovery, but remains limited by the cost of searching high-dimensional energy landscapes. Deep generative models offer efficient structure sampling, yet…

Artificial Intelligence · Computer Science 2026-05-26 Yifang Qin , Yu Shi , Junfu Tan , Chang Liu , Ming Zhang , Ziheng Lu

Deep learning models for medical image analysis easily suffer from distribution shifts caused by dataset artifacts bias, camera variations, differences in the imaging station, etc., leading to unreliable diagnoses in real-world clinical…

Image and Video Processing · Electrical Eng. & Systems 2024-01-09 Siyuan Yan , Chi Liu , Zhen Yu , Lie Ju , Dwarikanath Mahapatra , Brigid Betz-Stablein , Victoria Mar , Monika Janda , Peter Soyer , Zongyuan Ge

Regional data analysis is concerned with the analysis and modeling of measurements that are spatially separated by specifically accounting for typical features of such data. Namely, measurements in close proximity tend to be more similar…

Methodology · Statistics 2023-08-15 Christoph Muehlmann , François Bachoc , Klaus Nordhausen