Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) LEE Yongbum and TSAI Du-Yih and SUZUKI Takao,Contrast Enhancement of Medical Images Using Sigmoid-type Transfer Curves for Wavelet Coefficient Weighting Adjustment,Medical Imaging and Information Sciences,0910-1543,MEDICAL IMAGING AND INFORMATION SCIENCES,2008,25,3,48-53,https://cir.nii.ac.jp/crid/1390001204652155136,https://doi.org/10.11318/mii.25.48