A New Steganographic Method for Color and Grayscale Image Hiding

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題名:	A New Steganographic Method for Color and Grayscale Image Hiding
作者:	Yu, Y. H.;Chang, C. C.;Lin, I. C.
關鍵詞:	Steganography;Color quantization;Color image hiding;Annotation;Stego-image
日期:	2007-09
上傳時間:	2009-12-17 06:58:00 (UTC+0)
出版者:	Asia University
摘要:	In this paper, we present a steganographic method for embedding a color or a grayscale image in a true color image. Three types of secret images can be carried by the proposed method: hiding a color secret image, hiding a palette-based 256-color secret image, and hiding a grayscale image in a true color image. Secret data are protected by the conventional crypto system DES. We compare the image quality and hiding capacity of the proposed method with those of the scheme in Lin et al.?s scheme. According to the experimental results, the image quality of the proposed method is better than that of the Lin et al.?s scheme. In addition, annotation data can be hidden with the secret image in the host image. The hiding capacity of the proposed method is greater than that of other compared schemes. The experimental results show that the proposed method is a secure steganographic method that provides high hiding capacity and good image quality.
關聯:	Computer Vision and Image Understanding 107(3): 183-194
顯示於類別:	[資訊工程學系] 期刊論文

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