Institutional-Repository, University of Moratuwa.  

An investigation of quantization table modification on JPEG steganography

Show simple item record Senthooran, V Ranathunga, L 2014-06-18T12:31:21Z 2014-06-18T12:31:21Z 2014-06-18
dc.description.abstract Imperceptibility and the embedding capacity are the two most important aspects to be concerned in any image based steganographic research studies. It is necessarily considered to maximize the amount of embedding capacity while preserving the security against detection by unauthorized people in any steganographic methods. Many research studies have exposed that the modified quantization tables significantly reduce the distortion in the quality of stego-images and increase the embedding capacity of stego-images in DCT based steganographic techniques. In this paper, we investigate the aforementioned requirements in JPEG based steganographic techniques with the existing quantization table modification techniques by evaluating the experimental results and derive modified quantization tables to compare the previous results of some existing quantization modification techniques. Our experimental results reveal that the modified tables can provide a significance improvement in information-hiding capacity and visual quality than the other methods tested. en_US
dc.language.iso en en_US
dc.source.uri en_US
dc.subject 16×16 quantization tables
dc.subject DCT JPEG
dc.subject PSNR
dc.subject Steganography
dc.title An investigation of quantization table modification on JPEG steganography en_US
dc.type Conference-Abstract en_US
dc.identifier.faculty IT en_US
dc.identifier.department Department of Information Technology en_US
dc.identifier.year 2013 en_US
dc.identifier.conference IEEE International Conference on Industrial and Information Systems [8th} - ICIIS 2013 en_US Peradeniya en_US
dc.identifier.pgnos pp. 622-626 en_US en_US

Files in this item

This item appears in the following Collection(s)

Show simple item record