[PDF][PDF] Fast image watermarking based on signum of cosine matrix

F Ernawan, PW Adi, SC Liew, EA Sarwoko… - Indones. J. Electr. Eng …, 2022 - academia.edu
In the field of image watermarking, the singular value decomposition has good
imperceptibility and robustness, but it has high complexity. It divides a host image into …

Active Tampering Detection for Image Authentication using Hadamard Tracing

PW Adi, R Kusumaningrum - 2022 International Conference …, 2022 - ieeexplore.ieee.org
Image processing software that is growing rapidly makes it easier for someone to process an
image for the better. However, this convenience also has a bad impact, especially if it is …

Fragile watermarking for image authentication using dyadic walsh ordering

PW Adi, A Wibowo, G Aryotejo… - International Journal of …, 2023 - search.proquest.com
A digital image is subjected to the most manipulation. This is driven by the easy
manipulating process through image editing software which is growing rapidly. These …

Digital Watermarking using Unsigned Integer for Image Authentication

PW Adi, SE Sukmana, FA Nugroho - 2023 6th International …, 2023 - ieeexplore.ieee.org
Active tampering detection systems based on watermarking are developing rapidly. This is
in line with the increasing number of image manipulation processes that even ordinary …

Hadamard based watermarking using structural correlation average

MH Rahmadi, EA Sarwoko, PW Adi - AIP Conference Proceedings, 2023 - pubs.aip.org
Digital Watermarking provides good information security, especially for copyright protection.
Meanwhile, the main problem of the watermarking system is a balance between …