A Novel Two-Stage Spectrum-Based Approach for Dimensionality Reduction: A Case Study on the Recognition of Handwritten Numerals

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="654787.fig.004a" src="https://static.hindawi.com/articles/jam/volume-2014/654787/figures/654787.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>“Maximum Vertical Crossing Count” feature</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="654787.fig.004b" src="https://static.hindawi.com/articles/jam/volume-2014/654787/figures/654787.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>“Aspect Ratio” feature</td></tr></table></td></tr></table>

<table>1D_SD spectrum distribution diagrams for the Arabic/Farsi digits set.</table>

Journal of Applied Mathematics

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Figure 4

Figure 4: A Novel Two-Stage Spectrum-Based Approach for Dimensionality Reduction: A Case Study on the Recognition of Handwritten Numerals 