Application of bit-plane decomposition steganography to wavelet encoded images
Noda, H.
Spaulding, J.
Shirazi, M.N.
Niimi, M.
Kawaguchi, E.
Kyushu Inst. of Technol., Kitakyushu, Japan;
This paper appears in: Image Processing. 2002. Proceedings. 2002 International Conference on
Publication Date: 2002
Volume: 2,
On page(s): II-909- II-912 vol.2
ISSN: 1522-4880
ISBN: 0-7803-7622-6
INSPEC Accession Number: 7597103
Digital Object Identifier: 10.1109/ICIP.2002.1040099
Current Version Published: 2002-12-10
Abstract
This paper presents a steganography method based on a lossy wavelet compression scheme and bit-plane complexity segmentation (BPCS) steganography. This method utilizes the embedded zerotree wavelet (EZW) compression scheme, where wavelet coefficients of an image are quantized into a bit-plane structure. The proposed steganography enables us to use lossy compressed images as dummy files in bit-plane-based steganographic algorithms. Large embedding rates of around 25% of the compressed image size were achieved with little noticeable degradation in image quality. The proposed method can be applied to other wavelet-based lossy compression schemes like SPIHT and JPEG2000, because in these compression schemes the wavelet coefficients are also quantized into a bit-plane structure.
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