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A DWT Ordering Scheme for Hiding Data in Images Using Pixel Value Difference.
Awad Kh. Al-Asmari
Ahmed S. Salama
Abdullah M. Iliyasu
Mohammed A. Al-Qodah
Published in:
CIS (2012)
Keyphrases
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image data
secret data
pixel values
image quality
statistical analysis
image processing
high quality
prior knowledge
probability distribution
data points
high frequency