High Capacity Image Steganography in Wavelet Domain

Sarreshtedari, Saeed; Ghaemmaghami, Shahrokh

doi:10.1109/ccnc.2010.5421800

Cited by 25 publications

(15 citation statements)

References 5 publications

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“…According to the rule described above, the value of pixel is changed into 157 or (10011101) 2 . The mathematical representation of rounding method is [16]:…”

Section: Rounding Methodsmentioning

confidence: 99%

High Payload and Secure Steganography method Based on Block Partitioning and Integer Wavelet Transform

Seyyedi¹,

Ivanov²

2014

IJSIA

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“…According to the rule described above, the value of pixel is changed into 157 or (10011101) 2 . The mathematical representation of rounding method is [16]:…”

Section: Rounding Methodsmentioning

confidence: 99%

High Payload and Secure Steganography method Based on Block Partitioning and Integer Wavelet Transform

Seyyedi¹,

Ivanov²

2014

IJSIA

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“…Steganography is one such technique [1, 2,3], where the secret information is embedded in an appropriate multimedia carrier like image, audio and video files and this carrier is transmitted through the communication network. At the receiver, only the authenticated user can extract the secret information by sharing the secret key.…”

Section: Introductionmentioning

confidence: 99%

Integer Wavelet based Secret Data Hiding by Selecting Variable Bit Length

Sakkara¹,

Akkamahadevi²,

Somashekar³

et al. 2012

IJCA

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Steganography is a process of hiding secret information"s like image, video, audio, and text message in a carrier"s like image, video, and audio. Proposed method uses the secret information as a text message which is embedded in a color image. The existing methods hide the information using constant bit length in integer wavelet coefficients. This paper uses variable bit length based on integer wavelet coefficients to hide the data in a particular positions using secret key by LSB substitution method. Hence this algorithm increases the embedding capacity of the text message and obtained stego image is imperceptible for human vision. This technique embeds binary bit stream of secret text message into the 8 bit color image. The embedded confidential information can be extracted from stego image without the knowledge of original image by considering the same secret key. On average of 2.50 bits can be embedded in each wavelet coefficient of the input color image. Hence this method gives better results in both embedding capacity and PSNR than the existing methods.

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“…PSNR has been used to measure the quality of stego image and embedding in diagonal Detail Coefficients (CD) gives better PSNR as compare to other coefficients. S. Sarreshtedari [7] proposed a high capacity image steganography. It uses BPCS to determine the capacity of DWT block.…”

Section: Related Workmentioning

confidence: 99%

Performance Analysis of Image Steganography based on DWT and Arnold Transform

Sharda¹,

Budhiraja²

2013

IJCA

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Steganography is the technique that communicates secret data in different carriers like image, audio files etc. in such a way that it is not be visible to attackers. In this paper, performance analysis of image steganography based on Discrete Wavelet Transform (DWT) associated to colored and gray scale images is done. Arnold transformation along with a private key is used during encoding to provide high security. DWT is applied on both the cover image and the secret image and then alpha blending operation is done. Stego-image is obtained by using Inverse Discrete Wavelet Transformation (IDWT) Performance analysis is done by using different wavelet families. The simulation results show that PSNR values of the Arnold Transform based method are better than existing methods.

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High Capacity Image Steganography in Wavelet Domain

Cited by 25 publications

References 5 publications

High Payload and Secure Steganography method Based on Block Partitioning and Integer Wavelet Transform

High Payload and Secure Steganography method Based on Block Partitioning and Integer Wavelet Transform

Integer Wavelet based Secret Data Hiding by Selecting Variable Bit Length

Performance Analysis of Image Steganography based on DWT and Arnold Transform

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