Subjective Score Predictor: A New Evaluation Function of Distorted Image Quality
Table 7
The mean (deviation) statistics of DMOS and SSP scores for blur + noise.
Number
Blur level
SSP1
SSP2
Noise level
DMOS
SSP1
SSP2
1
0
89.51 (4.36)
100 (0)
1
7.18 (3.26)
86.75 (4.23)
96.92 (0)
2
2
29.14 (5.97)
84.08 (4.1)
93.93 (0)
3
3
36.55 (6.42)
78.97 (3.85)
88.23 (0)
4
1
60.00 (2.93)
67.03 (0)
0
28.91 (8.11)
60.00 (2.93)
67.03 (0)
5
1
33.09 (7.17)
58.15 (2.84)
64.97 (0)
6
2
45.46 (7.12)
56.36 (2.75)
62.97 (0)
7
3
50.93 (5.6)
52.94 (2.58)
59.14 (0)
8
2
54.97 (2.68)
61.42 (0)
0
49.04 (8.95)
54.97 (2.68)
61.42 (0)
9
1
52.89 (7.92)
53.28 (2.6)
59.52 (0)
10
2
56.86 (7.12)
51.64 (2.52)
57.69 (0)
11
3
59.55 (6.46)
48.5 (2.37)
54.19 (0)
12
3
50.37 (2.46)
56.27 (0)
0
63.77 (7.5)
50.37 (2.46)
56.27 (0)
13
1
66.33 (6.92)
48.82 (2.38)
54.54 (0)
14
2
68.52 (7.86)
47.31 (2.31)
52.86 (0)
15
3
70.23 (6.39)
44.44 (2.17)
49.65 (0)
Average
61.99 (3.02)
69.26 (0)
47.9 (6.85)
58.44 (2.85)
65.29 (0)
The source images: mean (DMOS) is 89.508; deviation is 4.3648. SSP1: using the MOS values in LIVE MD dataset as reference scores in formula (6). SSP2: setting reference scores in formula (6) as 100.
