From: Postreconstruction filtering of 3D PET images by using weighted higher-order singular value decomposition
GF
BF
ADF (%)
HOSVD-S
\(\sigma _d\)
\(\sigma _r\)
\(\kappa\)
p
0.5
25.5
60
5
0.8
51.0
65
7
1.0
76.5
70
8
1.5
112.0
75
10
2.0
127.5
80
13