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Robust digital watermarking with parallel compact sparrow search algorithm applied for QR code.
Jeng-Shyang Pan
Minghui Zhu
Shu-Chuan Chu
Published in:
J. Inf. Hiding Multim. Signal Process. (2022)
Keyphrases
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digital watermarking
digital images
geometric distortions
watermarking technique
metadata
image segmentation
multiscale
input image
high frequency
watermarking algorithm
jpeg compression
copyright protection