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합성곱신경망의 학습 및 테스트자료에 따른 골다공증 판독에 미치는 영향 Effect of Training and Testing Condition of Convolutional Neural Network on evaluating Osteoporosis

김재윤, 이재서, 강병철, 김형석, Shyam Adhikari, Liu Liu, 윤숙자
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대한구강악안면병리학회지
제43권 제3호 (2019.06)
pp.73-80
대한구강악안면병리학회 (Korean Academy Of Oral And Maxillofacial Pathology)
초록

This study aimed to test a convolutional neural network (CNN) in two different settings of training and testing data. Panoramic radiographs were selected from 1170 female dental patients (mean age 49.19 ± 21.91 yr). The cortical bone of the mandible inferior border was evaluated for osteoporosis or normal condition on the panoramic radiographs. Among them, 586 patients (mean age 27.46 ± 6.73 yr) had normal condition, and osteoporosis was interpreted on 584 patients (mean age 71.00 ± 7.64 yr). Among them, one data set of 569 normal patients (mean age 26.61 ± 4.60 yr) and 502 osteoporosis patients (mean age 72.37 ± 7.10 yr) was used for training CNN, and the other data set of 17 normal patients (mean age 55.94 ± 4.0 yr) and 82 osteoporosis patients (mean age 62.60 ± 5.00 yr) for testing CNN in the first experiment, while the latter was used for training CNN and the former for testing CNN in the second experiment. The error rate was 15.15% in the first experiment and 5.14% in the second experiment. This study suggests that age-matched training data make more accurate testing results.

키워드
MandibleOsteoporosisPanoramic radiographComputer
목차
Abstract
 Ⅰ. INTRODUCTION
 Ⅱ. MATERIALS and METHODS
  1. 연구대상
  2. 파노라마방사선사진을 이용한 골다공증의 판독
  3. 인공지능 CNN의 학습 및 테스트
  4. 데이터의 학습과 테스트에 따른 실험1과2(Experiment 1 and 2)
 Ⅲ. RESULTS
  1. 실험1
  2. 실험2
 Ⅳ. DISCUSSION
 REFERENCES
저자
  • 김재윤(전남대학교 치의학전문대학원) | Jae-Yun Kim (School of Dentistry, Chonnam National University)
  • 이재서(전남대학교 치의학연구소, 치의학전문대학원 구강악안면방사선학교실) | Jae-Seo Lee (Department of Oral and Maxillofacial Radiology, School of Dentistry, Dental Science Research Institute, Chonnam National University)
  • 강병철(전남대학교 치의학연구소, 치의학전문대학원 구강악안면방사선학교실) | Byung-Cheol Kang (Department of Oral and Maxillofacial Radiology, School of Dentistry, Dental Science Research Institute, Chonnam National University)
  • 김형석(전북대학교 전자공학부) | Hyongsuk Kim (Chonbuk National University Electronic engineering)
  • Shyam Adhikari(전북대학교 전자공학부)
  • Liu Liu(난징의과대학교, 구강악안면방사선학교실, 난징구강병원)
  • 윤숙자(전남대학교 치의학연구소, 치의학전문대학원 구강악안면방사선학교실) | Suk-Ja Yoon (Department of Oral and Maxillofacial Radiology, School of Dentistry, Dental Science Research Institute, Chonnam National University) Correspondence