Journal
COMPUTER STANDARDS & INTERFACES
Volume 33, Issue 5, Pages 477-484Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.csi.2011.02.003
Keywords
Information hiding; Steganography; Secret communication
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This paper proposes an embedding scheme which can embed a message into an image and obtain minimal image distortion for applications which need a high-visual-quality stego-image. The message to be embedded is divided into sub-messages each of which is embedded into a pixel vector with three pixels. A sub-message is extracted from a stego-pixel vector by calculating the differences between pixels. The embedding capacity of an image using the proposed scheme can be more than one bit per pixel and the modification of a pixel is not more than one. Since the modification of pixels is minimal, applications using the proposed scheme can obtain a stego-image with higher visual quality than existing studies. (C) 2011 Elsevier B.V. All rights reserved.
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