A New Optical Surface Measurement Method with Iterative Sparsity-Constrained Threshold Phase Retrieval Algorithm

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="548395.fig.005a" src="https://static.hindawi.com/articles/tswj/volume-2014/548395/figures/548395.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Original data</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="548395.fig.005b" src="https://static.hindawi.com/articles/tswj/volume-2014/548395/figures/548395.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>SBMIR method</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="548395.fig.005c" src="https://static.hindawi.com/articles/tswj/volume-2014/548395/figures/548395.fig.005c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>4f-SPAR method</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="548395.fig.005d" src="https://static.hindawi.com/articles/tswj/volume-2014/548395/figures/548395.fig.005d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>ITPRS method</td></tr></table></td></tr></table>

<table>Color results of the reconstructed surface.</table>

The Scientific World Journal

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Figure 5

Figure 5: A New Optical Surface Measurement Method with Iterative Sparsity-Constrained Threshold Phase Retrieval Algorithm 