Dahua NVR41 series

User's Manual
IX
4.7 AI
................................................................................................................................................. 197
4.7.1 AI Search
........................................................................................................................... 197
4.7.1.1 Face Detection
.......................................................................................................... 198
4.7.1.2 Face Recognition
...................................................................................................... 200
4.7.1.2.1 Searching by Attributes
................................................................................... 200
4.7.1.2.2 Search by Image
............................................................................................... 202
4.7.1.3 IVS
.............................................................................................................................. 204
4.7.1.4 Stereo Analysis
......................................................................................................... 206
4.7.1.4.1 People Approach Detection
............................................................................ 206
4.7.1.4.2 Fall Detection
.................................................................................................... 206
4.7.1.4.3 People Exception Detection
............................................................................ 207
4.7.1.4.4 People Retention Detection
............................................................................ 207
4.7.1.5 Human Body Detection
............................................................................................ 208
4.7.1.6 Vehicle Detection
...................................................................................................... 209
4.7.1.7 Non-motor Vehicle Detection
.................................................................................. 210
4.7.1.8 People Counting
....................................................................................................... 212
4.7.1.9 Heat map
.................................................................................................................... 213
4.7.1.9.1 General
.............................................................................................................. 213
4.7.1.9.2 Fisheye
.............................................................................................................. 213
4.7.1.10 SMD
.......................................................................................................................... 214
4.7.2 Parameters
........................................................................................................................ 214
4.7.2.1 Smart Plan
................................................................................................................. 214
4.7.2.2 Face Detection
.......................................................................................................... 217
4.7.2.3 Face Recognition
...................................................................................................... 219
4.7.2.4 IVS (General Behavior Analytics)
........................................................................... 223
4.7.2.4.1 Tripwire
.............................................................................................................. 225
4.7.2.4.2 Intrusion
............................................................................................................ 229
4.7.2.4.3 Abandoned Object Detection
.......................................................................... 231
4.7.2.4.4 Fast Moving
....................................................................................................... 232
4.7.2.4.5 Crowd Gathering
.............................................................................................. 234
4.7.2.4.6 Parking
.............................................................................................................. 235
4.7.2.4.7 Missing Object Detection
................................................................................ 237
4.7.2.4.8 Loitering Detection
........................................................................................... 238
4.7.2.5 Video Structuring
..................................................................................................... 240
4.7.2.6 Crowd Distribution
................................................................................................... 241
4.7.2.7 People Counting
....................................................................................................... 243
4.7.2.7.1 People Counting
............................................................................................... 243
4.7.2.7.2 Queuing
............................................................................................................. 246
4.7.2.8 Heat map
.................................................................................................................... 248