STimage-1K4M: A histopathology image-gene expression dataset for spatial transcriptomics

• URL: http://arxiv.org/abs/2406.06393v2
• Date: Thu, 20 Jun 2024 17:38:55 GMT
• Title: STimage-1K4M: A histopathology image-gene expression dataset for spatial transcriptomics
• Authors: Jiawen Chen, Muqing Zhou, Wenrong Wu, Jinwei Zhang, Yun Li, Didong Li,
• Abstract summary: STimage-1K4M is a novel dataset designed to bridge the gap by providing genomic features for sub-tile images. With 4,293,195 pairs of sub-tile images and gene expressions, STimage-1K4M offers unprecedented granularity.
• Score: 8.881820519705592
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent advances in multi-modal algorithms have driven and been driven by the increasing availability of large image-text datasets, leading to significant strides in various fields, including computational pathology. However, in most existing medical image-text datasets, the text typically provides high-level summaries that may not sufficiently describe sub-tile regions within a large pathology image. For example, an image might cover an extensive tissue area containing cancerous and healthy regions, but the accompanying text might only specify that this image is a cancer slide, lacking the nuanced details needed for in-depth analysis. In this study, we introduce STimage-1K4M, a novel dataset designed to bridge this gap by providing genomic features for sub-tile images. STimage-1K4M contains 1,149 images derived from spatial transcriptomics data, which captures gene expression information at the level of individual spatial spots within a pathology image. Specifically, each image in the dataset is broken down into smaller sub-image tiles, with each tile paired with 15,000-30,000 dimensional gene expressions. With 4,293,195 pairs of sub-tile images and gene expressions, STimage-1K4M offers unprecedented granularity, paving the way for a wide range of advanced research in multi-modal data analysis an innovative applications in computational pathology, and beyond.

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