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Volume & Issue no: Volume 4, Issue 6, November - December 2015

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Title:
Image steganography for data hiding using huffman code, Zigzag and OPAP
Author Name:
Ketaki Bhaskar, Mitali Bakale, Priyanka Chaure, Priti Shirke
Abstract:
Abstract For the purpose of security, Data hiding process embeds data into digital media. Digital image is one of the best media to stores data. It provides large capacity for hiding secrets information which results into the stego-image imperceptible to human vision, a novel Steganographic approach based on data hiding method such that pixel-value differencing. In existing approach different techniques are used such as LSB substitution method, hamming, pixel indicator based method etc. In LSB, there are constraints on image size. In proposed system, Huffman, zigzag and OPAP methods are used to overcome the limitation of the size and provide both high embedding capacity and outstanding imperceptibility for the stego-image. The text data can be embedded into the cover image. Huffman code is to compression the secret messages before sending it to the receiver. Zigzag scanning to select the pixels that will secret messages is hidden. To enhance the quality of the stego-images optimal pixel adjustment process (OPAP) is used. It also minimizes embedding error. The aim is to provide better security with high embedding capacity and a better stego-image quality than the existing system. Keywords: Digital image, Steganography, Zigzag scanning, Huffman method, OPAP.
Cite this article:
Ketaki Bhaskar, Mitali Bakale, Priyanka Chaure, Priti Shirke , " Image steganography for data hiding using huffman code, Zigzag and OPAP" , International Journal of Emerging Trends & Technology in Computer Science (IJETTCS) , Volume 4, Issue 6, November - December 2015 , pp. 091-093 , ISSN 2278-6856.
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International Journal of Emerging Trends & Technology in Computer Science (IJETTCS)
ISSN 2278-6856
Frequency : 6 Issues/Year


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