Revert "Used sigma = 2 for gaussian blur"

This reverts commit ea62947.

Author: HongKee Moon

src/main/java/spim/algorithm/DefaultAntiDrift.java

@@ -1,9 +1,6 @@
 package spim.algorithm;
 
 import ij.ImageStack;
-import ij.plugin.filter.Convolver;
-import ij.plugin.filter.GaussianBlur;
-import ij.plugin.filter.RankFilters;
 import ij.process.*;
 import org.apache.commons.math3.geometry.euclidean.threed.Vector3D;
 
@@ -21,14 +18,6 @@ public class DefaultAntiDrift extends AbstractAntiDrift
 	 */
 	private final double sigma;
 	private final AntiDrift.Type type;
-	private final GaussianBlur gaussianBlur = new GaussianBlur();
-	private final Convolver convolver = new Convolver();
-	private final RankFilters filters = new RankFilters();
-	private final float[] kernel = new float[]{-1, -1, -1, -1, -1,
-			-1, -1, -1, -1, -1,
-			-1, -1, 24, -1, -1,
-			-1, -1, -1, -1, -1,
-			-1, -1, -1, -1, -1,};
 
 	public DefaultAntiDrift(double sigmaValue)
 	{
@@ -60,16 +49,14 @@ public void reset()
 	@Override public void addXYSlice( ImageProcessor ip )
 	{
 		ImageProcessor copy = ip.duplicate();
-		gaussianBlur.blurGaussian( copy, sigma );
-		convolver.convolve( copy, kernel, 5, 5 );
-		filters.rank( copy, 2, 2 );
 
 		switch (type) {
 			case CenterOfMass:
 				if(stack == null) stack = new ImageStack( ip.getWidth(), ip.getHeight() );
 				stack.addSlice( copy );
 				break;
 			case PhaseCorrelation:
+				copy.blurGaussian( sigma );
 				latest.addXYSlice( copy );
 				break;
 		}

src/main/java/spim/ui/view/component/MMAcquisitionEngine.java

@@ -381,7 +381,7 @@ private void runNormalSmartImagingMMAcq(SPIMSetup setup, final Studio frame, Dat
 				if(toogleGroupValue.equals("Centre of mass")) {
 					driftCompMap.put(positionItem, new DefaultAntiDrift());
 				} else if(toogleGroupValue.equals("Phase correlation")) {
-					driftCompMap.put(positionItem, new DefaultAntiDrift(2));
+					driftCompMap.put(positionItem, new DefaultAntiDrift(10));
 				}
 			}
 		}