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An analysis of digital watermarking in frequency domain

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The document analyzes digital watermarking in the frequency domain. It discusses embedding watermarks by modifying low frequency components after transforming media like images or video to the frequency domain using transforms like the discrete cosine transform, discrete Fourier transform, and discrete wavelet transform. These transforms allow watermarks to be embedded in ways that maintain perceptual transparency and robustness against attacks. Potential applications of frequency domain watermarking include copyright protection, fingerprinting, copy protection, and broadcast monitoring.

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AN ANALYSIS OF DIGITAL WATERMARKING IN FREQUENCY DOMAIN Presented by SRINIVAS KHARSADA PATNAIK ROLL # EI200118043 Under the Guidance of DR. SAROJ KUMAR MEHER Faculty in Electronics & Communication Engineering [ ]
DIGITAL WATERMARKING ,[object Object],[object Object],[object Object],[object Object],[ ]
REQUIREMENTS ,[object Object],[object Object],[object Object],[object Object],[object Object],[ ]
FREQUENCY DOMAIN WATERMARKING ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[ ]
BLOCK DIAGRAM REPRESENTATION [ ]
[object Object],[object Object],[object Object],[object Object],[ ]
DISCRETE COSINE TRANSFORM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[ ]
DISCRETE FOURIER TRANSFORM ,[object Object],[object Object],[object Object],[ ]
DISCRETE WAVELET TRANSFORM ,[object Object],[object Object],[object Object],[object Object],[ ]
SHORT TIME FOURIER TRANSFORM ,[object Object],[object Object],[object Object],[object Object],[ ]
APPLICATIONS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[ ]
CONCLUSION ,[object Object],[object Object],[object Object],[ ]

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An analysis of digital watermarking in frequency domain

  • 1. AN ANALYSIS OF DIGITAL WATERMARKING IN FREQUENCY DOMAIN Presented by SRINIVAS KHARSADA PATNAIK ROLL # EI200118043 Under the Guidance of DR. SAROJ KUMAR MEHER Faculty in Electronics & Communication Engineering [ ]
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