著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) KERMISCH D.,Fourier spectrum of halftone images,Selected Papers on Digital Halftoning,,,1999,,,3-10,https://cir.nii.ac.jp/crid/1572261551140294400,