Using Body Worn Camera to assist in contact tracing for novel coronavirus (COVID-19)

BWC058-4G – OMG Mini Body Worn Camera with Facial Recognition 4G

Using Body Worn Camera to assist in contact tracing for novel coronavirus (COVID-19)

Leverage body worn camera video footage to help support and supplement current contact tracing efforts in the nation-state in an effort to reduce the spread of COVID-19.

How it Works

Currently, contact tracing relies on the recall and memory of interviewees. There were however, instances when interviewees could not remember all their contacts, or did not have information on whom they had been in contact with. Video footage that is recording by the body Worn Camera can use to perform contact tracing; identification of persons who may have come into contact with an infected person (“contacts”) and subsequent collection of further information about these contacts. This facilitates the contact tracing process, and enables contact tracers to inform users who are close contacts of COVID-19 cases more quickly. This enables users to take the necessary action sooner, such as monitoring his own health closely for signs of flu-like symptoms.

The goals of contact tracing are:

  • To reduce spread of an infection & interrupt ongoing transmission
  • To learn about the epidemiology of a disease in a particular population
  • To alert contacts to the possibility of infection and offer preventive counseling or prophylactic care
  • To offer diagnosis, counseling & treatment to already infected individuals
  • If the infection is treatable, to help prevent reinfection of the originally infected patient

Using Body Worn Camera to assist in contact tracing for novel coronavirus (COVID-19)

By CFCFOwn work, CC BY-SA 4.0, Link

Steps in contact tracing using body Worn Camera

Contact tracing generally involves the following steps:

  • An individual is identified as having a communicable disease (often called the index case). This case may be reported to public health or managed by the primary health care provider.
  • The index case is interviewed to learn about their movements, whom they have been in close contact with or who their sexual partners have been.
  • Depending on the disease and the context of the infection, family members, health care providers, and anyone else who may have knowledge of the case’s contacts may also be interviewed.
  • Retrieve video footage of index case from Body Worn Camera – Digital Evidence Management System base on Period (Date & Time) .
  • Retrieve all Photo Registered by Body Worn Camera – Facial Recognition Function.
  • Once contacts are identified, public health workers contact them to offer counseling, screening, prophylaxis, and/or treatment.
  • Contacts may be isolated (e.g. required to remain at home) or excluded (e.g. prohibited from attending a particular location, like a school) if deemed necessary for disease control.
  • If contacts are not individually identifiable (e.g. members of the public who attended the same location), broader communications may be issued, like media advisories.
  • Although contact tracing can be enhanced by letting patients provide information, medication, and referrals to their contacts, evidence demonstrates that direct public health involvement in notification is most effective.

Facial Recognition – Contact tracing for novel coronavirus (COVID-19)

 

BWC058-4G - Mini WIFI,GPS,3G,4G Body Worn Camera - Facial Recognition

★ Ambarella S5L Chipset
★ Sensor: OS05A10, HDR supported
★ Wide Angle viewing: 130 Degree
H.265/H.264 video encoding – 20-25 Hrs for 32GB
★ 14-nm low-power CMOS process
★ Support 32-256GB Build-in Memory.
★ Support 2.4G/5.8G Wifi/3G/4G/GPS (Optional)
★ Support Facial Recognition (Optional)

Product Features

  • Low power, long battery life

  1. 1080P HD video recording is about 0.8 watts, which is half of the power consumption of the Ambarella A7 solution, and 1/4 of the MTK solution.
  2. 4200mAh battery can record up to 14 hours with h.265 1080p video only.
  3. PWM charging technology can provide 2 Amp fast charging and avoid overheat which extends battery life significantly.
  • Low bit-rate, high definition.

  1. Our body camera with 3D motion compensated noise reduction (MCTF) and H.265 (HEVC) video encoding can provide 50% off bitrate to the competitors who use H.264 (AVC) only. And Smart HEVC technology can achieve very low bitrate up 80% off with relative static scene. 32GB can save upto 25 Hrs of video footage.
  2. 1080P (1440P Max) high definition remote live video can present much more details than 720p video.
  • Quick connecting, fast charging

  1. Boot up in 6s.
  2. 3.5 hours fast charging with charging cradle (4200mAh battery, 2A power adaptor);
  • Better User Experience

  1. Small size (83.2*54.8*29.8mm), light weight (145g).
  2. IP68 waterproof level;
  3. Qualified waterproof speaker provides continuous good sound quality even it has been dipped into water.
  4. Better night vision effect is achieved by scattering glass to avoid flash light effect;
  5. High video resolution up to 1440P (2560×1440) with affordable bitrate;
  6. Customized logo can be burned into the record video;
  7. Dewarp function to correct image distortion;
  8. Wide working temperature from -30 to 60 degrees Celsius;
  9. 8 hours recording time can be reached at -30 degrees Celsius with normal battery.
  • AI (Optional)

  1. 4 core ARM Cortex A53 processors help implementing AI functions, for example, face recognition. It can support deep learning, faster and more accurate face recognition, and the face number can be up to 10,000 with local face database.
  2. It can co-operate with cloud server for face recognition and comparison (under developing).

BWC058 - High Compression Body Worn Camera - Ambarella Ambarella S5L Chipset

Ambarella S5L IP Camera SoC Product Brief

BWC058 - High Compression Body Worn Camera - Ambarella Ambarella S5L Chipset - General Specification

 

BWC058 - High Compression Body Worn Camera - 1512P High Definition Recording v2

 

BWC058 - High Compression Body Worn Camera - ip68 Waterproof Rating

 

Mini WIFI,GPS,3G,4G Body Worn Camera - 12

 

BWC058 - High Compression Body Worn Camera - Night Vision

BWC058 - High Compression Body Worn Camera - H264-vs H265 Images

 

4G Video Live Streaming

Mini WIFI,GPS,3G,4G Body Worn Camera - Live Stream using 4G v2

 

Remote Live Audio Monitoring

Mini WIFI,GPS,3G,4G Body Worn Camera - Remote Live Audio Monitoring

Emergency SOS Panic Button Alert to Back Office

Mini WIFI,GPS,3G,4G Body Worn Camera - 18

 

Live Tracking Via Build-in GPS

BWC058-4G - Mini WIFI,GPS,3G,4G Body Worn Camera - Live Tracking Via Build-in GPS

 

BWC058 - High Compression Body Worn Camera

Specification

OS Main Chipset Ambarella S5L
OS Linux version 4.9.110
Booting time < 6 s
Language English/Chinese
Interface Graphical operation interface
Video Video Input OS05A10
Video Output 2 inch Full HD LCD screen
Recording resolution 2560×1440,1920×1080, 1280×720
Frame Rate 1440p30,1080p60,1080p30,720p60,720p30
Record mode Video and Audio synchronization 2 Independent Video Streams for Local Record and Remote View
Compression H.264(MP/HP Level 5.1)/H.265(MP Level 5.0)
Audio Audio input 1x MIC input, optional external intercom audio input
External audio interface 2.5mm jack for headphone, microphone and PTT
Compression PCM format (AAC optional)
Audio record Support audio only recording, one key switch between Audio and Video record mode
Video process Live video resolution 1920×1080/1280×720/640×360
Photograph Support resolution 1920×1080 ~ 8640×4752
Snap Support snapping during recording(photo resolution same as recording video)
Storage Storage Built-in 16GB TF card (available for 16~256GB)
Light source IR Up to 10 Meters at 0 lux with Visible shape image
Flash light help for view in night
Laser lock image center or pointing
Two way Intercom Cluster intercom Support for cluster intercom between terminal devices (only for 4G/3G device)
Intercom with platform Support intercom between server and terminal devices (only for 4G/3G device)
Lens HOV not less than 120°
Alarm SOS SOS key press will be notificated on the platform (only for 4G/3G device)
COM port USB 1x USB,for charging, communication with PC, connect external HD camera
Network Protocol TCP/IP, RTSP, RTMP, GB/28181   (only for 4G/3G device)
3G/4G built in 3G/4G module(FDD-LTE/WCDMA/GPRS) (only for 4G/3G device)
WI-FI Optional,support WIFI Client and AP mode
Bluetooth Support Blue Tooth
GPS GPS GPS/GLONASS (optional),location and speed can be used in local record and remote view, excellent signal quality with cold start <25 seconds
Firmware Face recognition Deep learning face recognition, huge local blacklist or cloud recognition (Optional)
OSD Burn In Burn in date, time, device ID, officer ID, location, speed
Overwrite Can be enabled or disabled
Playback Support local playback of video, search video files by time, alarm, etc.
Remote image function Support online playback and downloading remotely (only for 4G/3G device)
Cluster intercom Support paired call, Cluster call (only for 4G/3G device)
Playback speed Support from 1 to 128
Pre/post-recording Maximum 20s pre-recording and post-recording
Dewarp Support dewarp before encoding (>120 degree), support maximum 8X digital zoom
Safe mode Limited for only video and audio recording, photographing or other basic operations
Record encryption Support Record encryption, encrypted video can be only played in special player
Log Record key operation, setting change, events, alarms and other information
Software hPlayer Play back video files on the PC and analyze data information in the file.
CMSV6 Remote live view/real-time positioning/track playback/intercom/monitoring/remote command delivery, etc. (only for 4G/3G device)
Upgrade Firmware maintain Firmware can be upgrade though USB or Internet (only for 4G/3G device)
Working condition Temperature -30–60℃
Humidity 40%~80%
Other Charge cradle Fast charging@2A, USB data transmission, Splicable
Time synchronize date and time with GPS, internet, PC
Dual bit stream 2 Independent Video Streams for Local Record and Remote View
Default Restore with factory default setting
Indicator Charging, Idle, Video Record, Snap, Audio record
Battery capacity 4200mAh for 1080p30 continuous recording upto 15h, for continuous 4G remote view up to 9h, Full charged within 3.5h;
Auxiliary battery None
Waterproof IP68
Size 83.2*54.8*29.8mm
Weight about 145g(without clip)

 

 

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