Robust Video Watermarking Schemes in Phase domain Using Binary Phase Shift Keying
K.Meenakshi, Ch.Srinivasa Rao, and K. Satya Prasad

TL;DR
This paper introduces a robust video watermarking method using phase shift keying in DFT and SCHT domains, enhancing resistance to attacks while maintaining transparency and low computational cost.
Contribution
It proposes a novel phase domain watermarking scheme employing binary phase shift keying in DFT and SCHT, with improvements in transparency, robustness, and computational efficiency.
Findings
SCHT-based scheme offers higher transparency and lower computational cost than DFT-based.
Both schemes show similar robustness against signal processing and compression attacks.
Low amplitude block selection and spread spectrum enhance watermark security and resilience.
Abstract
This paper presents a robust video watermarking scheme in Discrete Fourier Transform (DFT) and Sequencyordered Complex Hadamard Transform (SCHT). The DFT and SCHT coefficients are complex and consist of both magnitude and phase and are well suited to adopt phase shift keying techniques to embed the watermark. In the proposed schemes, the phases of DFT and SCHT coefficients are modified to convey watermark information using binary phase shift keying in cover video. Low amplitude block selection (LABS) is used to improve transparency, amplitude boost to improve the resistance of watermark from signal processing and compression attacks and spread spectrum technique is used for encrypting watermark in order to protect it from third party. It is observed that both algorithms showing more or less same robustness but SCHT offers high transparency, simple implementation and less computational…
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Taxonomy
TopicsAdvanced Steganography and Watermarking Techniques · Chaos-based Image/Signal Encryption · Digital Media Forensic Detection
