A multi-centre polyp detection and segmentation dataset for generalisability assessment

• URL: http://arxiv.org/abs/2106.04463v3
• Date: Fri, 19 May 2023 09:10:09 GMT
• Title: A multi-centre polyp detection and segmentation dataset for generalisability assessment
• Authors: Sharib Ali, Debesh Jha, Noha Ghatwary, Stefano Realdon, Renato Cannizzaro, Osama E. Salem, Dominique Lamarque, Christian Daul, Michael A. Riegler, Kim V. Anonsen, Andreas Petlund, P{\aa}l Halvorsen, Jens Rittscher, Thomas de Lange, and James E. East
• Abstract summary: This dataset includes both single frame and sequence data with 3762 annotated polyp labels with precise delineation of polyp boundaries verified by six senior gastroenterologists. The paper provides insight into data construction and annotation strategies, quality assurance, and technical validation.
• Score: 1.5661270644639687
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Polyps in the colon are widely known cancer precursors identified by colonoscopy. Whilst most polyps are benign, the polyp's number, size and surface structure are linked to the risk of colon cancer. Several methods have been developed to automate polyp detection and segmentation. However, the main issue is that they are not tested rigorously on a large multicentre purpose-built dataset, one reason being the lack of a comprehensive public dataset. As a result, the developed methods may not generalise to different population datasets. To this extent, we have curated a dataset from six unique centres incorporating more than 300 patients. The dataset includes both single frame and sequence data with 3762 annotated polyp labels with precise delineation of polyp boundaries verified by six senior gastroenterologists. To our knowledge, this is the most comprehensive detection and pixel-level segmentation dataset (referred to as \textit{PolypGen}) curated by a team of computational scientists and expert gastroenterologists. The paper provides insight into data construction and annotation strategies, quality assurance, and technical validation. Our dataset can be downloaded from \url{ https://doi.org/10.7303/syn26376615}.

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