PSR: Unified Framework of Parameter-Learning-Based MR Image Superresolution

Table 11

List of random group parameters.

Random group	Superresolution ratio	Balance parameter	Overlap block	Dictionary block size	Number of sampling blocks
First group	1 : 2	0.1	2	4 × 4	100000
Second group	1 : 2	0.2	7	8 × 8	50000
Third group	1 : 2	0.2	4	6 × 6	10000
Forth group	1 : 2	0.3	3	7 × 7	120000
Fifth group	1 : 4	0.4	6	9 × 9	30000
Sixth group	1 : 4	0.2	4	5 × 5	80000
Seventh group	1 : 4	0.3	9	12 × 12	90000
Eighth group	1 : 4	0.1	8	10 × 10	7000