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• W2803213113 abstract "Abstract Goal In this work, we propose methods for (1) automatic feature extraction and classification for acetic acid and Lugol’s iodine cervigrams and (2) methods for combining features/diagnosis of different contrasts in cervigrams for improved performance. Methods We developed algorithms to pre-process pathology-labeled cervigrams and to extract simple but powerful color and textural-based features. The features were used to train a support vector machine model to classify cervigrams based on corresponding pathology for visual inspection with acetic acid, visual inspection with Lugol’s iodine, and a combination of the two contrasts. Results The proposed framework achieved a sensitivity, specificity, and accuracy of 81.3%, 78.6%, and 80.0%, respectively when used to distinguish cervical intraepithelial neoplasia (CIN+) relative to normal and benign tissues. This is superior to the average values achieved by three expert physicians on the same data set for discriminating normal/benign cases from CIN+ (77% sensitivity, 51% specificity, 63% accuracy). Conclusion The results suggest that utilizing simple color- and textural-based features from visual inspection with acetic acid and visual inspection with Lugol’s iodine images may provide unbiased automation of cervigrams. Significance This would enable automated, expert-level diagnosis of cervical pre-cancer at the point-of-care." @default.
• W2803213113 created "2018-06-01" @default.
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• W2803213113 date "2018-05-17" @default.
• W2803213113 modified "2023-09-26" @default.
• W2803213113 title "Development of algorithms for automated detection of cervical pre-cancers with a low-cost, point-of-care, Pocket colposcope" @default.
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• W2803213113 doi "https://doi.org/10.1101/324541" @default.
• W2803213113 hasPublicationYear "2018" @default.
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