DWT      Kb = 6      pdf-based estimators
P	δ		Dsig	∆Dsig		Dref	∆Dref
5	0.319	1963.877	1896.367
4	0.38	531.879	512.088	67.51	46.734
3	0.415	138.101	132.941	19.791	14.458
2	0.44	35.378	34.065	5.16	3.825
1	0.459	9.004	8.673	1.313	0.98
0	0.475	2.283	2.2	0.331	0.248