An information hiding scheme with minimal image distortion

Authors:
Ching-Chiuan Lin
Affiliations:
-
Venue:
Computer Standards & Interfaces
Year:
2011

Citing 10
Cited 2

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Using PSO in a spatial domain based image hiding scheme with distortion tolerance

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A data hiding scheme based upon DCT coefficient modification

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Abstract

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.