• Smart H.265+/H.265/Smart H.264+/H.264/MJPEG decoding format.
• 32-channel 1080p self-adaptive decoding capability.
• Max. 384 Mbps incoming/recording/outgoing bandwidth.
• AI by recorder: 2-channel face detection and recognition, 4-channel perimeter protection, and 8 channel SMD Plus.
• AI by camera: Face detection and recognition, perimeter protection, SMD Plus, metadata, ANPR, stereo analysis, heat map, and people counting.
• Security baseline 2.3.

System

• Main Processor : Industrial-grade processor
• Operating System : Embedded Linux
• Operating Interface : Web, Local GUI

AI

• AI by Recorder : Face detection; face recognition; perimeter protection; SMD Plus

AI by Camera

• Face detection; face recognition; video metadata (human, motor vehicles, and non-motor vehicles); perimeter protection; SMD Plus; stereo analysis; crowd distribution; people counting; ANPR; vehicle density; heat map

Perimeter Protection

• Perimeter Performance AI by Recorder (Number of Channels) : 4 channels, 10 IVS rules for each channel
• Perimeter Performance of AI by Camera (Number of Channels) : 16 channels

Face Detection

• Face Attributes Gender; age group; glasses; expressions; face mask; beard

Face Detection

• Performance of AI by Recorder (Number of Channels) : 2 channels (up to 12 face images/s each channel)

Face Detection

• Performance of AI by Camera (Number of Channels) : 16 channels

Face Recognition

• Face Database Capacity : Up to 20 face databases with 20,000 images, with a total capacity of 2.5 G. Name, gender, birthday, address, credential type, credential No., countries & regions and state can be added to each face image.
• Face Recognition : Performance of AI by Recorder (Number of Channels) 1. 16-channel FD (by camera) + FR (by recorder), image stream: 16 face images/s 2. 2-channe FD (by recorder) + FR (by recorder), video stream: 12 face images/s
• Face Recognition Performance of AI by Camera (Number of Channels) : 16 channels

SMD Plus

• SMD Plus by Recorder : 8 channels: Secondary filtering for human and motor vehicle , reducing false alarms caused by leaves, rain and lighting condition change
• SMD Plus by Camera : 16 channels

Video Metadata

• Metadata Performance of AI by Camera (Number of Channels) : 8 channels
• Human Attributes : Top color, top type, bottom color, bottom type, hat, bag, age, gender and umbrella
• Motor Vehicle Attributes : License plate, plate color, vehicle body, vehicle model, vehicle logo, calling, seatbelt, vehicle interior, vehicle registration location.
• Non-motor Vehicle Attributes : Vehicle model, vehicle color, number of persons, helmet.

Vehicle License Plate Comparison

• ANPR by Camera (Number of Channels) : 8 channels
• License Plate Database Capacity
  • Create up to 20,000 plate numbers.
  • Blocklist and allowlist

Audio and Video

• Access Channel : 32
• Network Bandwidth
• AI disabled: 384 Mbps incoming, 384 Mbps recording and 384 Mbps outgoing
• AI enabled: 200 Mbps incoming, 200 Mbps recording and 200 Mbps outgoing
• Resolution : 32 MP; 24 MP; 16 MP; 12 MP; 8 MP; 5 MP; 4 MP; 1080p; 720p; D1; CIF; QCIF

Decoding Capability

• AI disabled:
  
  • 2-channel 32 MP@20 fps; 2-channel 24 MP@20 fps;
  • 4-channel 16 MP@30 fps; 5-channel 12 MP@30 fps;
  • 8-channel 8 MP@30 fps; 12-channel 5 MP@30 fps;
  • 16-channel 4 MP@30 fps; 32-channel 1080p@30 fps
• AI enabled:
  
  • 1-channel 32 MP@20 fps; 1-channel 24 MP@20 fps;
  • 2-channel 16 MP@30 fps; 4-channel 12 MP@30 fps;
  • 4-channel 8 MP@30 fps; 8-channel 5 MP@30 fps;
  • 12-channel 4 MP@30 fps; 24-channel 1080p@30 fps
• Video Output
  • 1-channel VGA, 1-channel HDMI video output.
  • Heterogeneous video source output for HDMI and VGA
  • Supports 4K display
• Multi-screen Display :
  • Main screen: 1/4/8/9/16/25/36
  • Sub screen: 1/4/8/9/16
• Third-party Camera Access : ONVIF; Panasonic; Sony; Axis; Arecont; Pelco; Canon; Samsung

Compression Standard

• Video Compression Smart H.265+; H.265; Smart H.264+; H.264; MJPEG
• Audio Compression G.711a; G.711u; PCM; G726

Network

• Network Protocol : HTTP; HTTPS; TCP/IP; IPv4/IPv6; RTSP; UDP; SNMP; NTP; DHCP; DNS; SMTP; UPnP; IP Filter; PPPoE; FTP; DDNS; Alarm Server; IP Search (Supports Dahua IP camera, DVR, NVS, etc.); Multicast; P2P; Auto Registration
• Mobile Phone Access : iOS; Android
• Interoperability : ONVIF 21.12(Profile T; Profile S; Profile G); CGI; SDK
• Browser
  • Chrome
  • IE 9 or later
  • Firefox

Recording Playback

• Multi-channel Playback : Up to 16 channels
• Record Mode : General, motion detection; intelligent; alarm; POS
• Backup Method : USB device and network
• Playback Mode :  Instant playback, general playback, event playback, tag playback, smart playback (face and motion detection)

Storage

• Disk Group : Yes

Alarm

• General Alarm : Motion detection; privacy masking; local alarm
• Anomaly Alarm : Camera offline; storage error; disk full; IP conflict; MAC conflict; login lock; abnormal behavior of fan; cybersecurity exception

1. Datasheet - DHA NVR5232-EI