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논문 기본 정보

자료유형
학술저널
저자정보
Vitchaya Siripoppohn (Department of Computer Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thai) Rapat Pittayanon (Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University) Kasenee Tiankanon (Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University) Natee Faknak (Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University) Anapat Sanpavat (Department of Pathology, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memor) Naruemon Klaikaew (Department of Pathology, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memor) Peerapon Vateekul (Department of Computer Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thai) Rungsun Rerknimitr (Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University)
저널정보
대한소화기내시경학회 Clinical Endoscopy Clinical Endoscopy 제55권 제3호
발행연도
2022.5
수록면
390 - 400 (11page)
DOI
10.5946/ce.2022.005

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Background/Aims: Previous artificial intelligence (AI) models attempting to segment gastric intestinal metaplasia (GIM) areas havefailed to be deployed in real-time endoscopy due to their slow inference speeds. Here, we propose a new GIM segmentation AI modelwith inference speeds faster than 25 frames per second that maintains a high level of accuracy. Methods: Investigators from Chulalongkorn University obtained 802 histological-proven GIM images for AI model training. Fourstrategies were proposed to improve the model accuracy. First, transfer learning was employed to the public colon datasets. Second, animage preprocessing technique contrast-limited adaptive histogram equalization was employed to produce clearer GIM areas. Third,data augmentation was applied for a more robust model. Lastly, the bilateral segmentation network model was applied to segment GIMareas in real time. The results were analyzed using different validity values. Results: From the internal test, our AI model achieved an inference speed of 31.53 frames per second. GIM detection showed sensitivity,specificity, positive predictive, negative predictive, accuracy, and mean intersection over union in GIM segmentation values of 93%,80%, 82%, 92%, 87%, and 57%, respectively. Conclusions: The bilateral segmentation network combined with transfer learning, contrast-limited adaptive histogram equalization,and data augmentation can provide high sensitivity and good accuracy for GIM detection and segmentation.

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