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임펄스와 가우시안 노이즈 제거를 위한 빠른영상 복원 알고리즘
응웬뚜안안(Tuan-Anh Nguyen),송원선(Won-Seon Song),응웬홍선(Hong-Son Nguyen),홍민철(Min-Cheol Hong) 대한전자공학회 2010 대한전자공학회 학술대회 Vol.2010 No.6
In this letter, we propose a spatially adaptive noise removal algorithm using local statistics. The proposed algorithm is consisted of two stages such as noise detection and removal. In order to solve the trade-off between the effective noise suppression and the over-smoothness of the reconstructed image, local statistics such as local maximum and the local weighted activity is defined. With the local statistics, the noise detection function is defined and a modified Gaussian filter is used to suppress the detected noise components. The experimental results demonstrate the effectiveness of the proposed algorithm.