HDR image watermarking based on bracketing decomposition

Vassilios Solachidis, Emanuele Maiorana, Patrizio Campisi, Francesco Banterle
<span title="">2013</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/gtrqa24xerhsbfcojson6wogdy" style="color: black;">2013 18th International Conference on Digital Signal Processing (DSP)</a> </i> &nbsp;
The present paper proposes a novel watermarking scheme specifically designed for high dynamic range (HDR) images. The employed embedding strategy is based on a decomposition of the original HDR representation into multiple low dynamic range (LDR) images by means of a bracketing process. After having inserted the selected watermark into each LDR component, the final output is generated by combining the available contributions into a single HDR object. By exploiting some of the well studied
more &raquo; ... ties of digital watermarking for standard LDR images, our approach is able to generate a watermarked HDR image visually equivalent to the original one, while allowing to detect the embedded information in both the marked HDR image and in its LDR counterpart, obtained through tone-mapping operators or by extracting a specific luminance range of interest from it. Several results obtained from an extensive set of experimental tests are reported to testify the effectiveness of the proposed scheme. Index Terms-High dynamic range (HDR) imaging; tonemapping operators (TMOs); watermarking; data hiding.
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/icdsp.2013.6622687">doi:10.1109/icdsp.2013.6622687</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/icdsp/SolachidisMCB13.html">dblp:conf/icdsp/SolachidisMCB13</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/mzdrii3rpvejbivmyddzocovt4">fatcat:mzdrii3rpvejbivmyddzocovt4</a> </span>
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