The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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COVID-19 Lung CT Image Recognition

COVID-19 폐 CT 이미지 인식

  • 수징제 (전남대학교 대학원 컴퓨터공학과) ;
  • 김강철 (전남대학교 공학대학 전기컴퓨터공학부)
  • Received : 2022.05.18
  • Accepted : 2022.06.17
  • Published : 2022.06.30
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Abstract

In the past two years, Severe Acute Respiratory Syndrome Coronavirus-2(SARS-CoV-2) has been hitting more and more to people. This paper proposes a novel U-Net Convolutional Neural Network to classify and segment COVID-19 lung CT images, which contains Sub Coding Block (SCB), Atrous Spatial Pyramid Pooling(ASPP) and Attention Gate(AG). Three different models such as FCN, U-Net and U-Net-SCB are designed to compare the proposed model and the best optimizer and atrous rate are chosen for the proposed model. The simulation results show that the proposed U-Net-MMFE has the best Dice segmentation coefficient of 94.79% for the COVID-19 CT scan digital image dataset compared with other segmentation models when atrous rate is 12 and the optimizer is Adam.

지난 2년 동안 중증급성호흡기증후군 코로나바이러스-2(SARS-CoV-2)는 점점 더 많은 사람들에게 영향을 미치고 있다. 본 논문에서는 COVID-19 폐 CT 이미지를 분할하고 분류하기 위해서 서브코딩블록(SCB), 확장공간파라미드풀링(ASSP)와 어텐션게이트(AG)로 구성된 혼합 모드 특징 추출 방식의 새로운 U-Net 컨볼루션 신경망을 제안한다. 그리고 제안된 모델과 비교하기 위하여 FCN, U-Net, U-Net-SCB 모델을 설계한다. 제안된 U-Net-MMFE 는 COVID-19 CT 스캔 디지털 이미지 데이터에 대하여 atrous rate가 12이고, Adam 최적화 알고리즘을 사용할 때 다른 분할 모델에 비하여 94.79%의 우수한 주사위 분할 점수를 얻었다.

Keywords

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