iii
5.3 Video & Audio ············································································································· 34
5.3.1 Video ··············································································································· 35
5.3.2 Snapshot ·········································································································· 36
5.3.3 Audio ··············································································································· 38
5.3.4 ROI ·················································································································· 39
5.3.5 View Cropping ···································································································· 40
5.3.6 Media Stream ···································································································· 41
5.4 PTZ ·························································································································· 43
5.4.1 Basic PTZ Settings ······························································································ 43
5.4.2 Home Position ···································································································· 44
5.4.3 Pan/Tilt Limit ······································································································ 44
5.4.4 Remote PTZ Control ···························································································· 45
5.4.5 Preset Snapshot and Patrol Resumption ·································································· 46
5.4.6 Orientation Calibration ························································································· 46
5.5 Image ······················································································································· 47
5.5.1 Image ··············································································································· 47
5.5.2 OSD ················································································································ 59
5.5.3 Privacy Mask ····································································································· 63
5.5.4 Quick Focus ······································································································ 64
5.6 Smart ························································································································ 65
5.6.1 Alarm-triggered Actions ························································································ 66
5.6.2 Arming Schedule ································································································ 67
5.6.3 Cross Line Detection ··························································································· 68
5.6.4 Enter Area Detection ··························································································· 70
5.6.5 Leave Area Detection ·························································································· 71
5.6.6 Intrusion Detection ······························································································ 73
5.6.7 Object Removed Detection ··················································································· 75
5.6.8 Object Left Behind Detection ················································································· 76
5.6.9 Defocus Detection ······························································································· 77
5.6.10 Scene Change Detection ···················································································· 77
5.6.11 Face Detection ································································································· 78
5.6.12 Face Recognition ······························································································ 81
5.6.13 Human Body Detection ······················································································· 83
5.6.14 Mixed-Traffic Detection ······················································································· 84
5.6.15 People Flow Counting ························································································ 86
5.6.16 Crowd Density Monitoring ··················································································· 88
5.6.17 Auto Tracking ··································································································· 90
