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Recently, contrastive learning (CL), a technique most prominently used in natural language and computer vision, has been used to train informative representation spaces for galaxy spectra and images in a self-supervised manner. Following…

Solar and Stellar Astrophysics · Physics 2024-11-19 Tobias Buck , Christian Schwarz

The rapid growth of digital pathology and advances in self-supervised deep learning have enabled the development of foundational models for various pathology tasks across diverse diseases. While multimodal approaches integrating diverse…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Ekaterina Redekop , Mara Pleasure , Zichen Wang , Kimberly Flores , Anthony Sisk , William Speier , Corey W. Arnold

Spatial Transcriptomics (ST) offers spatially resolved gene expression but remains costly. Predicting expression directly from widely available Hematoxylin and Eosin (H&E) stained images presents a cost-effective alternative. However, most…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Jiarui Ouyang , Yihui Wang , Yihang Gao , Yingxue Xu , Shu Yang , Hao Chen

Spatial Transcriptomics (ST) provides spatially-resolved gene expression, offering crucial insights into tissue architecture and complex diseases. However, its prohibitive cost limits widespread adoption, leading to significant attention on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Taejin Jeong , Joohyeok Kim , Jinyeong Kim , Chanyoung Kim , Seong Jae Hwang

Medical vision-language pre-training methods mainly leverage the correspondence between paired medical images and radiological reports. Although multi-view spatial images and temporal sequences of image-report pairs are available in…

Artificial Intelligence · Computer Science 2024-05-31 Jinxia Yang , Bing Su , Wayne Xin Zhao , Ji-Rong Wen

Spatially resolved transcriptomics is a fast-developing set of technologies that enables the measurement of localized gene expression across spatial locations in a sample. Detecting spatially varying genes is critical for analyzing such…

Applications · Statistics 2026-04-22 Pritam Dey , Rajarshi Guhaniyogi , Yang Ni , Bani K. Mallick

Spatial transcriptomics (ST) technologies have revolutionized the study of gene expression patterns in tissues by providing multimodality data in transcriptomic, spatial, and morphological, offering opportunities for understanding tissue…

Computational Engineering, Finance, and Science · Computer Science 2024-01-17 Zelin Zang , Liangyu Li , Yongjie Xu , Chenrui Duan , Kai Wang , Yang You , Yi Sun , Stan Z. Li

Recent advances in multi-modal AI have demonstrated promising potential for generating the currently expensive spatial transcriptomics (ST) data directly from routine histology images, offering a means to reduce the high cost and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Junchao Zhu , Ruining Deng , Junlin Guo , Tianyuan Yao , Juming Xiong , Chongyu Qu , Mengmeng Yin , Yu Wang , Shilin Zhao , Haichun Yang , Daguang Xu , Yucheng Tang , Yuankai Huo

Deep neural networks have reached remarkable achievements in medical image processing tasks, specifically in classifying and detecting various diseases. However, when confronted with limited data, these networks face a critical…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Matina Mahdizadeh Sani , Ali Royat , Mahdieh Soleymani Baghshah

Accurate detection of cancer tissue regions (CTR) enables deeper analysis of the tumor microenvironment and offers crucial insights into treatment response. Traditional CTR detection methods, which typically rely on the rich cellular…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Shuailin Xue , Jun Wan , Lihua Zhang , Wenwen Min

Medical image segmentation is a fundamental yet challenging task due to the arduous process of acquiring large volumes of high-quality labeled data from experts. Contrastive learning offers a promising but still problematic solution to this…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Shuang Zeng , Lei Zhu , Xinliang Zhang , Micky C Nnamdi , Wenqi Shi , J Ben Tamo , Qian Chen , Hangzhou He , Lujia Jin , Zifeng Tian , Qiushi Ren , Zhaoheng Xie , Yanye Lu

Spatial Transcriptomics is a novel technology that aligns histology images with spatially resolved gene expression profiles. Although groundbreaking, it struggles with gene capture yielding high corruption in acquired data. Given potential…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Gabriel Mejia , Daniela Ruiz , Paula Cárdenas , Leonardo Manrique , Daniela Vega , Pablo Arbeláez

Spatial Transcriptomics is a groundbreaking technology that integrates histology images with spatially resolved gene expression profiles. Among the various Spatial Transcriptomics techniques available, Visium has emerged as the most widely…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Daniela Ruiz , Paula Cárdenas , Leonardo Manrique , Daniela Vega , Gabriel M. Mejia , Pablo Arbeláez

Multimodal representation learning is a challenging task in which previous work mostly focus on either uni-modality pre-training or cross-modality fusion. In fact, we regard modeling multimodal representation as building a skyscraper, where…

Computation and Language · Computer Science 2024-08-15 Ronghao Lin , Haifeng Hu

In this work, we present Multi-Level Contrastive Learning for Dense Prediction Task (MCL), an efficient self-supervised method for learning region-level feature representation for dense prediction tasks. Our method is motivated by the three…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Qiushan Guo , Yizhou Yu , Yi Jiang , Jiannan Wu , Zehuan Yuan , Ping Luo

Spatial transcriptomics (ST) is a promising technique that characterizes the spatial gene profiling patterns within the tissue context. Comprehensive ST analysis depends on consecutive slices for 3D spatial insights, whereas the missing…

Image and Video Processing · Electrical Eng. & Systems 2025-05-19 NingFeng Que , Xiaofei Wang , Jingjing Chen , Yixuan Jiang , Chao Li

Spatial Transcriptomics (ST) profiles thousands of gene expression values at discrete spots with precise coordinates on tissue sections, preserving spatial context essential for clinical and pathological studies. With rising sequencing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yishun Zhu , Jiaxin Qi , Jian Wang , Yuhua Zheng , Jianqiang Huang

Self-supervised learning (SSL) has been successful in building patch embeddings of small histology images (e.g., 224x224 pixels), but scaling these models to learn slide embeddings from the entirety of giga-pixel whole-slide images (WSIs)…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Guillaume Jaume , Lukas Oldenburg , Anurag Vaidya , Richard J. Chen , Drew F. K. Williamson , Thomas Peeters , Andrew H. Song , Faisal Mahmood

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

In order to understand the complexities of cellular biology, researchers are interested in two important metrics: the genetic expression information of cells and their spatial coordinates within a tissue sample. However, state-of-the art…

Machine Learning · Computer Science 2023-11-02 J. Ding , S. N. Zaman , P. Y. Chen , D. Wang