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Integer DCT-based reversible watermarking for images using companding technique.
Bian Yang
Martin Schmucker
Wolfgang Funk
Christoph Busch
Sheng-He Sun
Published in:
Security, Steganography, and Watermarking of Multimedia Contents (2004)
Keyphrases
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image analysis
image database
image data
three dimensional
object recognition
image retrieval
image features
input image
image classification
reversible watermarking
test images
edge detection
image registration
image quality
wavelet transform
data structure
weighted distance transforms
multimedia