TIDA-00750

People Counting for Demand Controlled Ventilation Using 3D Time-of-Flight (ToF) Reference Design

TIDA-00750

Design files

Overview

People counting for demand controlled ventilation using 3D time-of-flight (ToF) reference design is a subsystem solution that uses TI’s  3D ToF image sensor combined with tracking and detection algorithms to count the number of occupants present in a given area with high resolution and accuracy. The sensor technology is developed in standard CMOS, allowing systems to achieve very high integration at a lower system cost. Because ToF image sensor processes visual data in three dimensions, the sensor can detect the exact shape of a human body along with track the movement and location of people with unprecedented precision, including subtle movement changes. For this reason, ToF cameras are potentially capable of performing real-time people counting and people tracking functions much more effectively than traditional surveillance cameras and video analytics.

Features
  • Accuracy:  >90%
  • Configurable response time, occupancy data available in real-time or periodically
  • Wide field of View: H74.4º x V59.3º
  • Being independent of ambient light, 3D ToF camera can even see in the dark
    • Auto-illumination
    • Four NIR lasers provide large illumination area
    • Short diffused laser pulses inherently eye-safe
  • Runs on an embedded platform

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUBL5A.PDF (4942 K)

Reference design overview and verified performance test data

TIDRLL3.ZIP (593 K)

Detailed schematic diagram for design layout and components

TIDRLL4.ZIP (377 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

Products

Includes TI products in the design and potential alternatives.

Time of flight (ToF) sensors

OPT8241QVGA-Resolution 3D Time-of-Flight (ToF) Sensor

Data sheet document-pdfAcrobat PDF open-in-new HTML
Time of flight (ToF) sensors

OPT9221Time-of-Flight (ToF) Controller for OPT8241

Data sheet document-pdfAcrobat PDF open-in-new HTML
Arm-based processors

AM4372Sitara processor: Arm Cortex-A9

Data sheet document-pdfAcrobat PDF open-in-new HTML
Arm-based processors

AM4376Sitara processor: Arm Cortex-A9, PRU-ICSS

Data sheet document-pdfAcrobat PDF open-in-new HTML
Arm-based processors

AM4377Sitara processor: Arm Cortex-A9, PRU-ICSS, EtherCAT

Data sheet document-pdfAcrobat PDF open-in-new HTML
Arm-based processors

AM4378Sitara processor: Arm Cortex-A9, PRU-ICSS, 3D graphics

Data sheet document-pdfAcrobat PDF open-in-new HTML
Arm-based processors

AM4379Sitara processor: Arm Cortex-A9, PRU-ICSS, EtherCAT, 3D graphics

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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* Design guide People Counting Demand Controlled Ventilation 3D Time-of-Flight Design Guide (Rev. A) May 04, 2016

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