A Manycore Vision Processor for Real-Time Smart Cameras release_uf45ud4v6fdmdj3chrz5vcsi7y

by Bruno A. da Silva, Arthur M. Lima, Janier Arias Garcia, Michael Huebner, Jones Yudi Mori Alves da Silva

Published in Sensors by MDPI AG.

2021   Volume 21, Issue 21, p7137

Abstract

Real-time image processing and computer vision systems are now in the mainstream of technologies enabling applications for cyber-physical systems, Internet of Things, augmented reality, and Industry 4.0. These applications bring the need for Smart Cameras for local real-time processing of images and videos. However, the massive amount of data to be processed within short deadlines cannot be handled by most commercial cameras. In this work, we show the design and implementation of a manycore vision processor architecture to be used in Smart Cameras. With massive parallelism exploration and application-specific characteristics, our architecture is composed of distributed processing elements and memories connected through a Network-on-Chip. The architecture was implemented as an FPGA overlay, focusing on optimized hardware utilization. The parameterized architecture was characterized by its hardware occupation, maximum operating frequency, and processing frame rate. Different configurations ranging from one to eighty-one processing elements were implemented and compared to several works from the literature. Using a System-on-Chip composed of an FPGA integrated into a general-purpose processor, we showcase the flexibility and efficiency of the hardware/software architecture. The results show that the proposed architecture successfully allies programmability and performance, being a suitable alternative for future Smart Cameras.
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Type  article-journal
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Date   2021-10-27
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DOI  10.3390/s21217137
PubMed  34770444
PMC  PMC8587860
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