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A novel approach for data hiding based on combined application of discrete cosine transform and coupled chaotic map.
Rajwinder Kaur
Butta Singh
Published in:
Multim. Tools Appl. (2021)
Keyphrases
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data hiding
discrete cosine transform
jpeg images
chaotic map
block dct
dct coefficients
image compression
spatial domain
error correction
transform domain
piecewise linear
compressed images
denoising
filter bank
image blocks
dct domain