Robust Image Hashing with Low-Rank Representation and Ring Partition

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2020/8870467/figures/8870467.fig.004a.svgz" name="8870467.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>An image</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2020/8870467/figures/8870467.fig.004b.svgz" name="8870467.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Rotated image with 10°</td></tr></table>

<div>Example of ring partition with 4 rings.</div>

Wireless Communications and Mobile Computing

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Figure 4

Figure 4: Robust Image Hashing with Low-Rank Representation and Ring Partition 