Lizard: A Large-Scale Dataset for Colonic Nuclear Instance Segmentation and Classification

• URL: http://arxiv.org/abs/2108.11195v1
• Date: Wed, 25 Aug 2021 11:58:52 GMT
• Title: Lizard: A Large-Scale Dataset for Colonic Nuclear Instance Segmentation and Classification
• Authors: Simon Graham, Mostafa Jahanifar, Ayesha Azam, Mohammed Nimir, Yee-Wah Tsang, Katherine Dodd, Emily Hero, Harvir Sahota, Atisha Tank, Ksenija Benes, Noorul Wahab, Fayyaz Minhas, Shan E Ahmed Raza, Hesham El Daly, Kishore Gopalakrishnan, David Snead, Nasir Rajpoot
• Abstract summary: We propose a multi-stage annotation pipeline to enable the collection of large-scale datasets for histology image analysis. We generate the largest known nuclear instance segmentation and classification dataset, containing nearly half a million labelled nuclei.
• Score: 4.642724910208435
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: The development of deep segmentation models for computational pathology (CPath) can help foster the investigation of interpretable morphological biomarkers. Yet, there is a major bottleneck in the success of such approaches because supervised deep learning models require an abundance of accurately labelled data. This issue is exacerbated in the field of CPath because the generation of detailed annotations usually demands the input of a pathologist to be able to distinguish between different tissue constructs and nuclei. Manually labelling nuclei may not be a feasible approach for collecting large-scale annotated datasets, especially when a single image region can contain thousands of different cells. However, solely relying on automatic generation of annotations will limit the accuracy and reliability of ground truth. Therefore, to help overcome the above challenges, we propose a multi-stage annotation pipeline to enable the collection of large-scale datasets for histology image analysis, with pathologist-in-the-loop refinement steps. Using this pipeline, we generate the largest known nuclear instance segmentation and classification dataset, containing nearly half a million labelled nuclei in H&E stained colon tissue. We have released the dataset and encourage the research community to utilise it to drive forward the development of downstream cell-based models in CPath.

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