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Understanding the intricate cellular environment within biological tissues is crucial for uncovering insights into complex biological functions. While single-cell RNA sequencing has significantly enhanced our understanding of cellular…

Image and Video Processing · Electrical Eng. & Systems 2024-11-06 Bingjun Li , Mostafa Karami , Masum Shah Junayed , Sheida Nabavi

With the rapid advancement of Spatial Resolved Transcriptomics (SRT) technology, it is now possible to comprehensively measure gene transcription while preserving the spatial context of tissues. Spatial domain identification and gene…

Genomics · Quantitative Biology 2024-08-14 Donghai Fang , Fangfang Zhu , Dongting Xie , Wenwen Min

Spatial transcriptomics enables interrogating the molecular composition of tissue with ever-increasing resolution and sensitivity. However, costs, rapidly evolving technology, and lack of standards have constrained computational methods in…

Among various region embedding methods, graph-based region relation learning models stand out, owing to their strong structure representation ability for encoding spatial correlations with graph neural networks. Despite their effectiveness,…

Machine Learning · Computer Science 2023-05-09 Qianru Zhang , Chao Huang , Lianghao Xia , Zheng Wang , Zhonghang Li , Siuming Yiu

Self-supervised vision models have achieved notable success in digital pathology. However, their domain-agnostic transformer architectures are not originally designed to account for fundamental biological elements of histopathology images,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Sevda Öğüt , Cédric Vincent-Cuaz , Natalia Dubljevic , Carlos Hurtado , Vaishnavi Subramanian , Pascal Frossard , Dorina Thanou

Pathology foundation models learn morphological representations through self-supervised pretraining on large-scale whole-slide images, yet they do not explicitly capture the underlying molecular state of the tissue. Spatial transcriptomics…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Minsoo Lee , Jonghyun Kim , Juseung Yun , Sunwoo Yu , Jongseong Jang

Spatial transcriptomics (ST) profiles gene expression across a tissue section while preserving the spatial coordinates. Because current ST technologies typically profile two-dimensional tissue slices, integrating and aligning slices from…

Quantitative Methods · Quantitative Biology 2026-03-20 Yaqi Wu , Jingfeng Wang , Xin Maizie Zhou , Yanxiang Zhao , Zixuan Cang

Spatial transcriptomics (ST) reveals spatial heterogeneity of gene expression, yet its resolution is limited by current platforms. Recent methods enhance resolution via H&E-stained histology, but three major challenges persist: (1)…

Image and Video Processing · Electrical Eng. & Systems 2025-08-12 Xuepeng Liu , Zheng Jiang , Pinan Zhu , Hanyu Liu , Chao Li

Although spatio-temporal graph neural networks have achieved great empirical success in handling multiple correlated time series, they may be impractical in some real-world scenarios due to a lack of sufficient high-quality training data.…

Signal Processing · Electrical Eng. & Systems 2021-02-10 Chao Pan , Siheng Chen , Antonio Ortega

Spatial transcriptomics is an emerging technology that aligns histopathology images with spatially resolved gene expression profiling. It holds the potential for understanding many diseases but faces significant bottlenecks such as…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Gabriel Mejia , Paula Cárdenas , Daniela Ruiz , Angela Castillo , Pablo Arbeláez

Spatial Transcriptomics (ST) enables the measurement of gene expression while preserving spatial information, offering critical insights into tissue architecture and disease pathology. Recent developments have explored the use of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Hai Dang Nguyen , Nguyen Dang Huy Pham , The Minh Duc Nguyen , Dac Thai Nguyen , Hang Thi Nguyen , Duong M. Nguyen

Spatiotemporal modeling has evolved beyond simple time series analysis to become fundamental in structural time series analysis. While current research extensively employs graph neural networks (GNNs) for spatial feature extraction with…

Machine Learning · Computer Science 2026-04-20 Zhaobo Hu , Vincent Gauthier , Mehdi Naima

This paper presents Scalable Semantic Transfer (SST), a novel training paradigm, to explore how to leverage the mutual benefits of the data from different label domains (i.e. various levels of label granularity) to train a powerful human…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Jie Yang , Chaoqun Wang , Zhen Li , Junle Wang , Ruimao Zhang

Transformer-based models, capable of learning better global dependencies, have recently demonstrated exceptional representation learning capabilities in computer vision and medical image analysis. Transformer reformats the image into…

By taking the semantic object parsing task as an exemplar application scenario, we propose the Graph Long Short-Term Memory (Graph LSTM) network, which is the generalization of LSTM from sequential data or multi-dimensional data to general…

Computer Vision and Pattern Recognition · Computer Science 2016-03-24 Xiaodan Liang , Xiaohui Shen , Jiashi Feng , Liang Lin , Shuicheng Yan

Spatial transcriptomics clustering is pivotal for identifying cell subpopulations by leveraging spatial location information. While recent graph-based methods modeling cell-cell interactions have improved clustering accuracy, they remain…

Machine Learning · Computer Science 2026-01-21 Chenkai Guo , Yikai Zhu , Renxiang Guan , Jinli Ma , Siwei Wang , Ke Liang , Guangdun Peng , Dayu Hu

Spatial-temporal graph learning has emerged as a promising solution for modeling structured spatial-temporal data and learning region representations for various urban sensing tasks such as crime forecasting and traffic flow prediction.…

Machine Learning · Computer Science 2023-06-21 Qianru Zhang , Chao Huang , Lianghao Xia , Zheng Wang , Siuming Yiu , Ruihua Han

Breast tumor segmentation is a critical task in computer-aided diagnosis (CAD) systems for breast cancer detection because accurate tumor size, shape and location are important for further tumor quantification and classification. However,…

Image and Video Processing · Electrical Eng. & Systems 2020-09-29 Bryar Shareef , Alex Vakanski , Min Xian , Phoebe E. Freer

Recent advances in computational pathology have leveraged vision-language models to learn joint representations of Hematoxylin and Eosin (HE) images with spatial transcriptomic (ST) profiles. However, existing approaches typically align HE…

Spatial transcriptomics enables genome-wide expression analysis within native tissue context, yet identifying spatial domains remains challenging due to complex gene-spatial interactions. Existing methods typically process spatial and…

Machine Learning · Computer Science 2025-12-19 Jianping Mei , Siqi Ai , Ye Yuan