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Optical multi-image encryption scheme based on discrete cosine transform and nonlinear fractional Mellin transform.
Shu Min Pan
Ru Hong Wen
Zhihong Zhou
Nan Run Zhou
Published in:
Multim. Tools Appl. (2017)
Keyphrases
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discrete cosine transform
image encryption scheme
image compression
dct coefficients
transform domain
image encryption
filter bank
image blocks
mellin transform
dct domain
chaotic sequence
multiscale