HSMD: An object motion detection algorithm using a Hybrid Spiking Neural
Network Architecture
- URL: http://arxiv.org/abs/2109.04119v1
- Date: Thu, 9 Sep 2021 09:15:56 GMT
- Title: HSMD: An object motion detection algorithm using a Hybrid Spiking Neural
Network Architecture
- Authors: Pedro Machado, Andreas Oikonomou, Joao Filipe Ferreira, T.M. McGinnity
- Abstract summary: Object-motion-sensitive ganglion cells (OMS-GC) are specialised cells in the retina that sense moving objects.
OMS-GC take as input continuous signals and produce spike patterns as output, that are transmitted to the Visual Cortex via the optic nerve.
HSMD algorithm proposed in this work enhances the GSOC dynamic background subtraction (DBS) algorithm with a customised 3-layer spiking neural network (SNN)
Results show that the HSMD was ranked overall first among the competing approaches.
- Score: 0.2580765958706854
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: The detection of moving objects is a trivial task performed by vertebrate
retinas, yet a complex computer vision task. Object-motion-sensitive ganglion
cells (OMS-GC) are specialised cells in the retina that sense moving objects.
OMS-GC take as input continuous signals and produce spike patterns as output,
that are transmitted to the Visual Cortex via the optic nerve. The Hybrid
Sensitive Motion Detector (HSMD) algorithm proposed in this work enhances the
GSOC dynamic background subtraction (DBS) algorithm with a customised 3-layer
spiking neural network (SNN) that outputs spiking responses akin to the OMS-GC.
The algorithm was compared against existing background subtraction (BS)
approaches, available on the OpenCV library, specifically on the 2012 change
detection (CDnet2012) and the 2014 change detection (CDnet2014) benchmark
datasets. The results show that the HSMD was ranked overall first among the
competing approaches and has performed better than all the other algorithms on
four of the categories across all the eight test metrics. Furthermore, the HSMD
proposed in this paper is the first to use an SNN to enhance an existing state
of the art DBS (GSOC) algorithm and the results demonstrate that the SNN
provides near real-time performance in realistic applications.
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