Table 3 Comparison between a video encoded with a QP of 26 and videos with QP > 26 and a fixed QP ROI of 26.
From: Compression Independent Reversible Encryption for Privacy in Video Surveillance
General video QP | Bitrate (Kbps) ROI | % bitrate reduction compared to video coded with QP of 26 |
|---|---|---|
26 | 1571 | 0% |
27 | 1438 |
|
28 | 1311 |
|
29 | 1184 |
|
30 | 1085 |
|
35 | 734 |
|
40 | 561 |
|
45 | 478 |
|
