TPDNet: A Tiny Pupil Detection Neural Network for Embedded Machine Learning Processor Arm Ethos-U55

Gernot Fiala, Zhenyu Ye, Christian Steger

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

Abstract

Abstract. Augmented reality and virtual reality (AR/VR) systems contain several different sensors including images sensors for gesture recognition, head pose tracking and pupil/eye tracking. The data of all these sensors must be processed by a host processor in real-time. For future AR/VR systems, new sensing technologies are required to fulfill the demands in power consumption and performance. Currently pupil detection is performed with images on resolutions around 300x300 pixels
and above. Therefore, deep neural networks (DNN) need host platforms, which are capable to compute the DNNs with such input resolutions to process them in real-time. In this work, the image resolution for pupil detection is optimized to a resolution of 100x100 pixels. A tiny pupil detection neural network is introduced, which can be processed with the ARM Cortex-M55 and the Embedded Machine Learning (ML) processor Arm Ethos-U55 with a performance of 189 frames per second (FPS)
with high detection rates. This allows to reduce the power consumption of the communication between image sensor and host for future AR/VR devices.
Original languageEnglish
Title of host publicationIntelligent Systems and Applications - IntelliSys 2023
Subtitle of host publicationProceedings of 2023 Intelligent Systems Conference (IntelliSys)
PublisherSpringer Nature Switzerland AG
Publication statusAccepted/In press - 17 May 2023
EventIntelligent Systems Conference 2023: IntelliSys 2023 - Van der Valk Hotel Amsterdam - Amstel, Amsterdam, Netherlands
Duration: 7 Sept 20238 Sept 2023
https://saiconference.com/Conferences/IntelliSys2023

Publication series

NameLecture Notes in Networks and Systems
PublisherSpringer

Conference

ConferenceIntelligent Systems Conference 2023
Abbreviated titleIntelliSys 2023
Country/TerritoryNetherlands
CityAmsterdam
Period7/09/238/09/23
Internet address

Keywords

  • Arm Ethos-U55
  • Arm M55
  • augmented reality
  • deep neural networks
  • machine learning
  • neural network processor
  • pupil detection
  • virtual reality

ASJC Scopus subject areas

  • Artificial Intelligence
  • Hardware and Architecture

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