TIDA-01436

People Counting for Demand Controlled Ventilation Using Sitara PLSDK and 3D ToF Reference Design

TIDA-01436

Design files

Overview

The TIDA-01436 reference design is a subsystem solution that uses TI's Sitara Processor Linux Software Development Kit (SDK) and TI’s 3D Time-of-Flight (ToF) image sensor to count the number of occupants in a defined area with high resolution and accuracy. ToF image sensors can process spacial data in three dimensions, so the sensor can be used to determine the number of objects present and can track their movements, and it has the capability to determine whether the objects are human bodies. This design uses TI's AM437x processor as the host controller with fully integrated ToF drivers supported by the Processor Linux SDK, which is ideal for embedded solutions. The combination of a ToF camera paired with a host controller board is more effective in real-time people counting than traditional surveillance cameras and video analytics.

Features
  • End-to-end solution with fully integrated system
  • Built on TI's Processor Linux Software Development Kit (SDK) and runs on TI's AM437x GP EVM
  • People counting accuracy > 90%
  • Occupancy data configurable to be either real-time or periodic
  • Wide field of view: 87º (Diagonal); 74.4º (Horizontal) × 59.3º (Vertical)
  • 3D ToF camera can even see in the dark due to ambient light independence

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.

TIDUD06.PDF (4030 K)

Reference design overview and verified performance test data

SBAU219D.PDF (1135 K)

Reference design overview and verified performance test data

TIDRQP1.ZIP (687 K)

Detailed schematic diagram for design layout and components

TIDRQP2.ZIP (341 K)

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

Products

Includes TI products in the design and potential alternatives.

Arm-based processors

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

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

Technical documentation

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Type Title Date
* Design guide People Counting for Demand Controlled Ventilation Using Sitara Design Guide May 01, 2017
Design guide Introduction to Time-of-Flight (ToF) System Design (Rev. D) May 13, 2014
White paper Introduction to Time-of-Flight Camera (Rev. B) May 07, 2014

Related design resources

Hardware development

EVALUATION BOARD
TMDSEVM437X AM437x high security evaluation module

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