JPEG2000 steganography possibly secure against histogram-based attack

Authors:
Hideki Noda;Yohsuke Tsukamizu;Michiharu Niimi
Affiliations:
Dept. of Systems Innovation and Informatics, Kyushu Institute of Technology, Iizuka, Japan;Dept. of Electrical, Electronic and Computer Engineering, Kyushu Institute of Technology, Kitakyushu, Japan;Dept. of Systems Innovation and Informatics, Kyushu Institute of Technology, Iizuka, Japan
Venue:
PCM'06 Proceedings of the 7th Pacific Rim conference on Advances in Multimedia Information Processing
Year:
2006

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Abstract

This paper presents two steganographic methods for JPEG2000 still images which preserve histograms of discrete wavelet transform (DWT) coefficients. The first one is a histogram quasi- preserving method using quantization index modulation (QIM) with a dead zone in DWT domain. The second one is a histogram preserving method based on histogram matching using two quantizers with a dead zone. Comparing with a conventional JPEG2000 steganography, the two methods show better histogram preservation. The proposed methods are promising candidates for secure JPEG2000 steganography against histogram-based attack.