Interpolation:<br>
<input type="radio" name="IR_Interp" value="linear" checked>Linear<br>
<input type="radio" name="IR_Interp" value="nearest">Nearest Neighbor<br>
-<input type="radio" name="IR_Interp" value="bspline">B-Spline<br>
<p>
Filter for Backprojection:<br>
<input type="radio" name="IR_Filter" value="abs_bandlimit" checked>Abs*Bandlimit<br>