Steganographic optical image encryption system based on reversible data hiding and double random phase encoding

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题名:	Steganographic optical image encryption system based on reversible data hiding and double random phase encoding
作者:	莊政宏;Chuang, Cheng-Hung;陳彥霖;Chen, Yen-Lin
贡献者:	資訊工程學系
日期:	2013-02
上传时间:	2013-07-11 06:18:46 (UTC+0)
摘要:	This study presents a steganographic optical image encryption system based on reversible data hiding and double random phase encoding (DRPE) techniques. Conventional optical image encryption systems can securely transmit valuable images using an encryption method for possible application in optical transmission systems. The steganographic optical image encryption system based on the DRPE technique has been investigated to hide secret data in encrypted images. However, the DRPE techniques vulnerable to attacks and many of the data hiding methods in the DRPE system can distort the decrypted images. The proposed system, based on reversible data hiding, uses a JBIG2 compression scheme to achieve lossless decrypted image quality and perform a prior encryption process. Thus, the DRPE technique enables a more secured optical encryption process. The proposed method extracts and compresses the bit planes of the original image using the lossless JBIG2 technique. The secret data are embedded in the remaining storage space. The RSA algorithm can cipher the compressed binary bits and secret data for advanced security. Experimental results show that the proposed system achieves a high data embedding capacity and lossless reconstruction of the original images.
關聯:	OPTICAL ENGINEERING
显示于类别:	[資訊工程學系] 期刊論文

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