TABLE 3.

Summary of 3D classification parameters (300-kV data set)

Iteration no.	K	Healpix order	Global searching or local searching	No. of particles left for next round
1	4	2 & 3	Global	479,120
2	6	2 & 3	Global	362,017
3	8	4	Local, σ = 4	278,582
4	12			271,277
5	8	4	Local, σ = 4	243,313
	Retrieve and combine
6	4	2 & 3	Global	284,664
7	3	2	Global	269,801
8	4	2	Global	265,901
9	8	4	Local, σ = 4	229,246
10	6	4	Local, σ = 4	223,613
11	6	4	Local, σ = 8	211,023
12	6	4	Local, σ = 4	164,789
13	5	5	Local, σ = 4	156,714
14	5	5	Local, σ = 4