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.005a" src="https://static-preview.hindawi.com/articles/mpe/volume-2013/619564/figures/619564.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Rotation 15 degrees</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="619564.fig.005b" src="https://static-preview.hindawi.com/articles/mpe/volume-2013/619564/figures/619564.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Rotation 180 degrees</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="619564.fig.005c" src="https://static-preview.hindawi.com/articles/mpe/volume-2013/619564/figures/619564.fig.005c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Rotation 270 degrees</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="619564.fig.005d" src="https://static-preview.hindawi.com/articles/mpe/volume-2013/619564/figures/619564.fig.005d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Horizontal flipping</td></tr></table></td></tr><tr class="fig-image" id="e"><td><img alt="619564.fig.005e" src="https://static-preview.hindawi.com/articles/mpe/volume-2013/619564/figures/619564.fig.005e.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(e) </b>Vertical flipping</td></tr></table></td></tr></table>

<table>Shown are the detection results of nonregular region duplication forgeries with intermediate operations rotation and flipping.</table>

Mathematical Problems in Engineering

fig5

Figure 5

Figure 5: Passive Forensics for Region Duplication Image Forgery Based on Harris Feature Points and Local Binary Patterns 