User Manual
Table Of Contents
- Important Notes
- Contents
- Chapter 2
- Chapter 3
- Video Analysis
- 3.1 Object Counting and Intrusion Alarm
- 3.2 Object Index
- 3.3 Automatic Video Snapshots
- 3.4 Face Detection
- 3.5 Face Count
- 3.6 Privacy Mask Protection
- 3.7 Panorama View
- 3.8 Video Defogging
- 3.9 Video Stabilization
- 3.10 Wide Angle Lens Dewarping
- 3.11 Advanced Motion Detection
- 3.12 Crowd Detection
- 3.13 Advanced Scene Change Detection
- 3.14 Advanced Unattended Object Detection
- 3.15 Advanced Missing Object Detection
- 3.16 Text Overlay
- 3.17 Fisheye View
- 3.18 Specifications
- Video Analysis
- Chapter 4
- Chapter 5
- Chapter 6
- Chapter 7
- Chapter 8
- Chapter 9
- Useful Utilities
- 9.1 Dynamic DNS
- 9.2 Watermark Viewer
- 9.3 Windows Lockup
- 9.4 Authentication Server
- 9.5 Fast Backup and Restore
- 9.6 Bandwidth Control Application
- 9.7 Language Setting
- 9.8 Skype Video Utility
- 9.9 GV-SDSyncCard Utility
- Useful Utilities
Useful Utilities
9
9.2 Watermark Viewer
The GV-VMS can embed digital watermarks in video streams for the purpose of
authentication. The watermarks are encrypted with digital signatures in video streams during
the compression stage, ensuring that images are not edited or damaged after they are
recorded. In addition, you can apply the Watermark Proof, a watermark-checking program
included in the installation of the GV-VMS, to further verify the authenticity of the recording.
9.2.1 Activating Watermark Protection
1. To enable the watermark protection, click Home , select Toolbar , click
Configure
, select System Configure and click Record Setting.
2. In the Record Setting dialog box, select Use Digital Watermark Protection and click OK.
The GV-VMS will digitally sign videos during the recording.
Figure 9-6
307