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BM3D 알고리즘을 이용한 이중 에너지 CT 영상의 노이즈 제거
정호진(Hojin Jung),한철희(Chulhee Han),백종덕(Jongduk Baek) 대한전자공학회 2019 대한전자공학회 학술대회 Vol.2019 No.11
BM3D(Block-Matching 3D) algorithm is a denoising method inspired from theory that an image contains lots of correlative pieces. Dual Energy based CT technique separates CT images by each component, and it enables to increase the contrast of CT images. In this work, we apply BM3D algorithm on intermediate product of Dual Energy CT and compare the performance of the reconstructed image using MSE&SNR. The results show BM3D algorithm reduces noise and applying BM3D algorithm on the product of CT projection show the most powerful performance.