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            <td class="headertitle">fastBPA - MATLAB File Help</td>
            <td class="subheader-right"><a href="matlab:edit fastBPA">View code for fastBPA</a></td>
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      <div class="title">fastBPA</div>
      <div class="helptext"><pre><!--helptext -->  Attempts to compute the Backprojection Algorithm in a parallelized
  manner. May fail due to excessive size of the desired image or numbe