Table 2.

The average information entropy on two testing sets

Data set	Testing set 1											Testing set 2
Age (months)	01	03	06	09	12	18	24	36	48	60	72	01	12	24
FreeSurfer	0.421	0.416	0.470	0.487	0.495	0.494	0.479	0.441	0.477	0.505	0.445	0.472	0.504	0.490
One‐step registration	0.451	0.413	0.436	0.489	0.491	0.428	0.371	0.364	0.425	0.437	0.401	0.459	0.498	0.463
Two‐step registration	0.405	0.397	0.394	0.397	0.389	0.401	0.368	0.342	0.409	0.415	0.380	0.431	0.445	0.458
Top M patch‐based	0.403	0.394	0.394	0.396	0.386	0.398	0.363	0.341	0.408	0.413	0.378	0.432	0.441	0.455
Independent sparse	0.401	0.391	0.390	0.393	0.381	0.398	0.356	0.297	0.408	0.402	0.344	0.419	0.439	0.442
Group‐wise sparse	0.401	0.390	0.390	0.393	0.381	0.398	0.356	0.297	0.407	0.402	0.344	0.419	0.439	0.441