Utility and Feasibility of a Center Surround Event Camera
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Author / Producer
Date
2022
Publication Type
Conference Paper
ETH Bibliography
yes
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Abstract
Standard dynamic vision sensor (DVS) event cameras output a stream of spatially-independent log-intensity brightness change events so they cannot suppress spatial redundancy. Nearly all biological retinas use an antagonistic center-surround organization. This paper proposes a practical method of implementing a compact, energy-efficient Center Surround DVS (CSDVS) with a surround smoothing network that uses compact polysilicon resistors for lateral resistance. The paper includes behavioral simulation results for the CSDVS (see sites.google.com/view/csdvs/home). The CSDVS would significantly reduce events caused by low spatial frequencies, but amplify the informative high frequency spatiotemporal events.
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Publication status
published
Editor
Book title
2022 IEEE International Conference on Image Processing (ICIP)
Journal / series
Volume
Pages / Article No.
381 - 385
Publisher
IEEE
Event
29th IEEE International Conference on Image Processing (ICIP 2022)
Edition / version
Methods
Software
Geographic location
Date collected
Date created
Subject
Retina; Pixel; Neuromorphic
Organisational unit
08836 - Delbrück, Tobias (Tit.-Prof.)
02533 - Institut für Neuroinformatik / Institute of Neuroinformatics