Cited by 55Advanced Neural Network ApplicationsIoT and Edge/Fog ComputingDomain Adaptation and Few-Shot Learning

The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.

PhiNets: A Scalable Backbone for Low-power AI at the Edge

Paissan, Francesco, Ancilotto, Alberto, Farella, Elisabetta·2022·ACM Transactions on Embedded Computing Systems

Abstract

In the Internet of Things era, where we see many interconnected and heterogeneous mobile and fixed smart devices, distributing the intelligence from the cloud to the edge has become a necessity. Due to limited computational and communication capabilities, low memory and limited energy budget, bringing artificial intelligence algorithms to peripheral devices, such as end-nodes of a sensor network, is a challenging task and requires the design of innovative solutions. In this work, we present PhiNets , a new scalable backbone optimized for deep-learning-based image processing on resource-constrained platforms. PhiNets are based on inverted residual blocks specifically designed to decouple the computational cost, working memory, and parameter memory, thus exploiting all available resources for a given platform. With a YoloV2 detection head and Simple Online and Realtime Tracking (SORT), the proposed architecture achieves state-of-the-art results in (i) detection on the COCO and VOC2012 benchmarks, and (ii) tracking on the MOT15 benchmark. PhiNets obtain a reduction in parameter count of around 90% with respect to previous state-of-the-art models (EfficientNetv1, MobileNetv2) and achieve better performance with lower computational cost. Moreover, we demonstrate our approach on a prototype node based on an STM32H743 microcontroller (MCU) with 2 MB of internal Flash and 1MB of RAM and achieve power requirements in the order of 10 mW. The code for the PhiNets is publicly available on GitHub. 1

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Research works printed but not linked: 17

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Metadata

Authors
Paissan, F., Ancilotto, A., & Farella, E.
Affiliations
Fondazione Bruno Kessler (IT)
Venue
ACM Transactions on Embedded Computing Systems
Published
2022-09-30
Volume
21
Issue
5
Pages
1-18
ISSN
  • 1539-9087 (ISSN-L)
  • 1558-3465
OpenAlex
W4210269029
Cited by
54
References
25
Citations by year
2026: 13 · 2025: 15 · 2024: 15 · 2023: 5 · 2022: 5
FWCI
3.27
Type
journal article
Language
en
Open access
closed
Locations
ACM Transactions on Embedded Computing Systems (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
  • Physical Sciences › Computer Science › Computer Networks and Communications › IoT and Edge/Fog Computing
  • Physical Sciences › Computer Science › Artificial Intelligence › Domain Adaptation and Few-Shot Learning
Keywords
edge AI, low-power deep learning, resource-constrained devices, inverted residual blocks, lightweight neural networks, object detection, YOLOv2, multi-target tracking, Internet of Things, energy efficiency, parameter reduction

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