Image Data Hiding Method Based on Multi-Pixel Differencing and LSB Substitution Methods
- 1 January 2008
- conference paper
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 355-358
- https://doi.org/10.1109/ichit.2008.279
Abstract
A novel data hiding method based on the least significant bit (LSB) substitution and the multi-pixel differencing (MPD) method is presented on the proposed method to improve the capacity of hidden secret data and to provide an imperceptible visual quality. First, a sum of different values for a four-pixel sub-block is calculated. The low value of the sum can be located on a smooth block and the high value is located on an edged block. The secret data are hidden into the cover image by the LSB method in the smooth block, while the MPD method is concealed in the edged block. The experimental results show that the proposed method has a higher capacity and maintains good visual quality.Keywords
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