
Statistical computing 199
0 1 0 0 0 2 0 0 0 3 0 0 0 4 0 0 0
0 .0 0 0
0 .0 0 2
0 .0 0 4
0 .0 0 6
0 .0 0 8
0 .0 1 0
h i
lo
6 0 0 0 8 0 0 0 1 0 0 0 0 1 2 0 0 0 1 4 0 0 0
0 .0 0 0 0
0 .0 0 0 2
0 .0 0 0 4
0 .0 0 0 6
0 .0 0 0 8
0 .0 0 1 0
0 .0 0 1 2
0 .0 0 1 4
FIGURE 6.9 Gamma priors of d used in the experiment. On the left are gamma
priors used for pixel values d
1
and d
2
, and on the right the gamma priors used for
values of pixel d
3
. The ‘hi’ indicates high confid ence in t he prior (alb eit incorrect)
and ‘lo’ th e low confidence in the prior.
sensitivities which is a reason for the name gamma prior sensitivity used
here.
The priors are shown in Figure 6.9. We expect tha t ...