Graphics Reference
In-Depth Information
HomelessSleeping
5
4.5
4
3.5
3
2.5
2
1.5
AVC
HEVC
1
0
5
10
15
20
25
30
35
40
45
Bit rate [Mbit/s]
Fig. 9.13
R-D curve (HomelessSleeping)
Manege
5
4.5
4
3.5
3
2.5
2
1.5
AVC
HEVC
1
0
5
10
15
20
25
30
35
40
Bit rate [Mbit/s]
Fig. 9.14
R-D curve (Manege)
for subjective scores: R is computed from the MOS; [R min , R max ] provide
a confidence interval on R and is determined considering the confidence index
(CI) computed on the subjective scores; the confidence index takes into account the
spreading of the MOS over the rating scale and the goodness of the fit of the values
(Table 9.10 ).
For visual quality evaluation of CTC test sequences, interested readers are
referred to [ 19 ], in which results of subjective tests are reported. The reported results
indicate that a bit rate reduction of 50 % can be achieved for the example video
test set.
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