教師資料查詢 | 類別: 會議論文 | 教師: 侯永昌 HOU, YOUNG-CHANG (瀏覽個人網頁)

標題:New Design for Friendly Visual Secret Sharing
學年102
學期2
發表日期2014/04/02
作品名稱New Design for Friendly Visual Secret Sharing
作品名稱(其他語言)
著者侯永昌; Liao, H.Y.
作品所屬單位淡江大學資訊管理學系
出版者Taipei: Kownledge Association of Taiwan
會議名稱2014 e-CASE &; e-Tech International Conference
會議地點Nagoya, Japan
摘要Different from conventional cryptography, visual cryptography is an image cryptographic technique proposed by Naor and Shamir. It encodes a secret image into n pieces of noise-like shares. When k or more than k pieces of shares are gathered from participants, human visual system will disclose the secret image on the stacked image easily. Neither complicated mathematical computation nor any knowledge of cryptography is needed are the main advantages of visual secret sharing. In this paper, we propose a new design for friendly visual secret sharing. The secret will be hiding into two meaningful shares. The black-appearing ratio in each block of the shares for the corresponding black (rep. white) secret pixel is the same. Therefore, it is impossible for one to disclose any information related to the secret image on each share, which achieves the goal of improving security. When shares are superimposed, the contours of the cover image will disappear on the stacked image, which will only reveal the secret image. According to our experimental results, the contrasts of the shares or the stacked images are good which can reveal the contents of the cover images and the secret image clearly.
關鍵字Secret sharing;Visual cryptography;Friendly visual secret sharing
語言英文
收錄於
會議性質國際
校內研討會地點
研討會時間20140402~20140404
通訊作者侯永昌
國別日本
公開徵稿Y
出版型式電子版
出處Proceedings of 2014 e-CASE &; e-Tech International Conference, pp. 1629-1640
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