19 November 2003 Toward perceptual metrics for video watermark evaluation
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Abstract
Assessing and comparing the performance of watermarking algorithms is difficult. The visibility of the watermark is an important aspect in this process. In this paper, we propose two metrics for evaluating the visual impact of video watermarks. Based on several different watermarking algorithms and video sequences, we identify the most prominent impairments as spatial noise and temporal flicker. We design the corresponding measurement algorithms and corroborate their performance through subjective experiments.
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Stefan Winkler, Stefan Winkler, Elisa Drelie Gelasca, Elisa Drelie Gelasca, Touradj Ebrahimi, Touradj Ebrahimi, } "Toward perceptual metrics for video watermark evaluation", Proc. SPIE 5203, Applications of Digital Image Processing XXVI, (19 November 2003); doi: 10.1117/12.512550; https://doi.org/10.1117/12.512550
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