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) MINTZER F.,Effective and ineffective digital watermarks,Proc. IEEE International Conference on Image Processing,,,1997,,,9-12,https://cir.nii.ac.jp/crid/1573950399356827264,