Passive Forensics for Region Duplication Image Forgery Based on Harris Feature Points and Local Binary Patterns

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="619564.fig.004a" src="https://static.hindawi.com/articles/mpe/volume-2013/619564/figures/619564.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Hiding specific objects</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="619564.fig.004b" src="https://static.hindawi.com/articles/mpe/volume-2013/619564/figures/619564.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Adding specific objects/multiple region duplication forgery</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="619564.fig.004c" src="https://static.hindawi.com/articles/mpe/volume-2013/619564/figures/619564.fig.004c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Hiding specific objects/homogenous background forgery</td></tr></table></td></tr></table>

<table>Shown are the detection results of nonregular region duplication forgeries without any postprocessing operations.</table>

Mathematical Problems in Engineering

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Figure 4

Figure 4: Passive Forensics for Region Duplication Image Forgery Based on Harris Feature Points and Local Binary Patterns 