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Capacity-Raising Steganography Using Multi-Pixel Differencing and Pixel-Value Shifting Operations.
Cheng-Hsing Yang
Shiuh-Jeng Wang
Chi-Yao Weng
Published in:
Fundam. Informaticae (2010)
Keyphrases
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pixel values
image quality
cover image
gray level
high capacity
secret data
image pixels
adjacent pixels
median filter
probability density function
weighted sum
input image
machine learning
gray scale
grayscale images