Adaptive scaling factors based on the impact of selected DCT coefficients for image watermarking
Image watermarking technique aims at high imperceptibility of the embedded watermark with minimal distortion in the watermarked images. In frequency-domain, block-based Discrete Cosine Transform (DCT) is a popular method which can be improved by different scaling factors. This paper presents an adap...
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Main Authors: | Ariatmanto, Dhani, Ernawan, Ferda |
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Format: | Article |
Language: | English |
Published: |
Elsevier B.V.
2020
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Subjects: | |
Online Access: | http://umpir.ump.edu.my/id/eprint/29627/7/Adaptive%20scaling%20factors%20based%20on%20the%20impact%20of%20selected%20DCT.pdf http://umpir.ump.edu.my/id/eprint/29627/ https://doi.org/10.1016/j.jksuci.2020.02.005 https://doi.org/10.1016/j.jksuci.2020.02.005 |
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