计算机工程与设计
計算機工程與設計
계산궤공정여설계
COMPUTER ENGINEERING AND DESIGN
2009年
24期
5762-5764
,共3页
数字图像%图像处理%图像加密%双随机相位编码%密钥
數字圖像%圖像處理%圖像加密%雙隨機相位編碼%密鑰
수자도상%도상처리%도상가밀%쌍수궤상위편마%밀약
digital image%image processing%image encryption%double random phase encoding%secret key
为了能够完全无失真的提取隐藏图像,在双随机相位加密的基础上,提出了一种对彩色图像进行加密隐藏的方法.通过构造宿主图像矩阵,可以将待隐藏的彩色图像编码信息的实部和虚部同时隐藏于该宿主图像矩阵中,避免了已有方法需要传输多幅图像的不足.模拟实验结果表明,该方法不仅安全系数高,保密效果好,而且能完全无失真的提取隐藏图像.
為瞭能夠完全無失真的提取隱藏圖像,在雙隨機相位加密的基礎上,提齣瞭一種對綵色圖像進行加密隱藏的方法.通過構造宿主圖像矩陣,可以將待隱藏的綵色圖像編碼信息的實部和虛部同時隱藏于該宿主圖像矩陣中,避免瞭已有方法需要傳輸多幅圖像的不足.模擬實驗結果錶明,該方法不僅安全繫數高,保密效果好,而且能完全無失真的提取隱藏圖像.
위료능구완전무실진적제취은장도상,재쌍수궤상위가밀적기출상,제출료일충대채색도상진행가밀은장적방법.통과구조숙주도상구진,가이장대은장적채색도상편마신식적실부화허부동시은장우해숙주도상구진중,피면료이유방법수요전수다폭도상적불족.모의실험결과표명,해방법불부안전계수고,보밀효과호,이차능완전무실진적제취은장도상.
In order to extract the hidden image without distortion, a new technique of color image encryption and decryption method based on double random phase encoding technique is proposed. By constructing the host image matrix, the real and imaginary parts of the encoding data can be hidden in the corresponding part of the constructed host image matrix simultaneously which avoid the deficiency of multiple images transmission. The experimental results show that the method is effective in high security, well confidentiality and the recovered image is the same as the original hidden image.
