parameter update

src/main/java/com/elphel/imagej/tileprocessor/IntersceneMatchParameters.java

@@ -713,7 +713,7 @@ min_str_neib_fpn	0.35
     public double   cuas_tum_threshold =  5.0;    // if >0, remove outliers frim the running average and recalculate RA
     
     public int      cuas_precorr_ra =     10;     // rolling average before correlation
-    public int      cuas_corr_step =      5;      // correlation step when using rolling average
+    public int      cuas_corr_step =      2;      // correlation step when using rolling average
     
     public boolean  cuas_half_step =     true;   // half step (=cuas_corr_offset/2) when scanning for motion
     public int      cuas_max_range =     2;       // how far to extend local max: 1 3x3 neighbors, 2 - 5x5 neighbs