Robust Digital Audio Watermarking Based on SVD and Modified Firefly Algorithm
- 1 Department of Computer Science, Jamia Millia Islamia, Central University, New Delhi, India
- 2 School of Computing Science and Engineering, Galgotias University, Uttar Pradesh, India
Abstract
Digital Watermarking is a technology, to facilitate the authentication, copyright protection and Security of digital media. The objective of developing a robust watermarking technique is to incorporate the maximum possible robustness without compromising with the transparency. Singular Value Decomposition (SVD) using Firefly Algorithm provides this objective of an optimal robust watermarking technique. Multiple scaling factors are used to embed the watermark image into the host by multiplying these scaling factors with the Singular Values (SV) of the host audio. Firefly Algorithm is used to optimise the modified host audio to achieve the highest possible robustness and transparency. This approach can significantly increase the quality of watermarked audio and provide more robustness to the embedded watermark against various attacks such as noise, resampling, filtering attacks etc.
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