@article{oai:tsukuba.repo.nii.ac.jp:00027736, author = {古賀, 弘樹 and KOGA, Hiroki and IWAMOTO, Mitsugu and YAMAMOTO, Hirosuke}, issue = {1}, journal = {IEICE Transactions on Information and Systems}, month = {Jan}, pages = {262--272}, title = {An Analytic Construction of the Visual Secret Sharing Scheme for Color Images : Special Section on Cryptography and Information Security}, volume = {E84A}, year = {2001}, yomi = {コガ, ヒロキ} }