An Improved Metric Learning Approach for Degraded Face Recognition

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="724978.fig.003a" src="https://static.hindawi.com/articles/mpe/volume-2014/724978/figures/724978.fig.003a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Some images in Yale face database</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="724978.fig.003b" src="https://static.hindawi.com/articles/mpe/volume-2014/724978/figures/724978.fig.003b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Some images in CAS-PEAL-R1-FRONTAL-Accessory</td></tr></table></td></tr></table>

<table>Some original test face images.</table>

Mathematical Problems in Engineering

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Figure 3: An Improved Metric Learning Approach for Degraded Face Recognition 