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    題名: The feasibility of using manual segmentation in a multifeature computer-aided diagnosis system for classification of skin lesions: a retrospective comparative study
    作者: Chang, Wen-Yu;Huang, Adam;Chen, Yin-Chun;Lin, Chi-Wei;Tsai, John;Yang, Chung-Kai;Huang, Yin-Tseng;Wu, Yi-Fan;Chen, Gwo-Shing
    吳逸帆
    貢獻者: 心理系
    日期: 2015-05
    上傳時間: 2015-12-03 17:45:25 (UTC+8)
    摘要: Objectives: To investigate the feasibility of manual segmentation by users of different backgrounds in a previously developed multifeature computer-aided diagnosis (CADx) system to classify melanocytic and non-melanocytic skin lesions based on conventional digital photographic images. Methods: In total, 347 conventional photographs of melanocytic and non-melanocytic skin lesions were retrospectively reviewed, and manually segmented by two groups of physicians, dermatologists and general practitioners, as well as by an automated segmentation software program, JSEG. The performance of CADx based on inputs from these two groups of physicians and that of the JSEG program was compared using feature agreement analysis. Results: The estimated area under the receiver operating characteristic curve for classification of benign or malignant skin lesions based were comparable on individual segmentation by the gold standard (0.893, 95% CI 0.856 to 0.930), dermatologists (0.886, 95% CI 0.863 to 0.908), general practitioners (0.883, 95% CI 0.864 to 0.903) and JSEG (0.856, 95% CI 0.812 to 0.899). The agreement in the malignancy probability scores among the physicians was excellent (intraclass correlation coefficient: 0.91). By selecting an optimal cut-off value of malignancy probability score, the sensitivity and specificity were 80.07% and 81.47% for dermatologists and 79.90% and 80.20% for general practitioners. Conclusions: This study suggests that manual segmentation by general practitioners is feasible in the described CADx system for classifying benign and malignant skin lesions.
    關聯: BMJ Open, 5(4), e007823
    資料類型: article
    DOI 連結: http://dx.doi.org/10.1136/bmjopen-2015-007823
    DOI: 10.1136/bmjopen-2015-007823
    顯示於類別:[心理學系] 期刊論文

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