Secure steganography using hybrid domain technique

Reddy, H S Manjunatha; Sathisha, N.; Kumari, A. Charan; Raja, K B

doi:10.1109/icccnt.2012.6396010

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Cited by 4 publications

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“…A histogram is a graph that shows the colour range of image. A histogram shows how much of it is currently pure white, and how much of it falls somewhere between black and white images [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

A Proposed Assessment Metrics for Image Steganography

Tayel¹,

Shawky²

2014

IJCIS

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Data security has become an important problem in the communication systems. Steganography is used to hide existence of a secret-message. In this article a modified Steganography algorithm will be proposed depending on decomposition principle of both secret-message and cover-image. A fuzzification is performed in the secret message to optimize the decomposed coefficients before embedding in the coverimage to get a Stego Image. The well known metrics (Cor., MSE, PSNR, and Entropy) were used to evaluate the modified algorithm. Also, a trade-off factor was introduced to determine an optimum value for the embedding strength factor to get an acceptable degradation. Moreover to evaluate and assess the modified algorithm and any Steganography algorithms, a new histogram metrics are proposed which represents the relative frequency occurrence of the various images.

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Section: Introductionmentioning

confidence: 99%