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Data Hiding Method Based on Dyadic Wavelet Transformation Improving Invisibility of Secret Images on Circulation Images by Means of Run-Length Coding with Permutation Matrix Based on Random Number.
Kohei Arai
Published in:
ITNG (2012)
Keyphrases
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wavelet transformation
test images
data hiding
secret data
edge detection
image data
input image
multiresolution
pixel values
wavelet decomposition
similarity measure
data embedding