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Living machinesA handbook of research in biomimetics and biohybrid systems$
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Tony J. Prescott, Nathan Lepora, and Paul F.M.J Verschure

Print publication date: 2018

Print ISBN-13: 9780199674923

Published to Oxford Scholarship Online: June 2018

DOI: 10.1093/oso/9780199674923.001.0001

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Vision

Vision

Chapter:
(p.136) Chapter 14 Vision
Source:
Living machines
Author(s):

Piotr Dudek

Publisher:
Oxford University Press
DOI:10.1093/oso/9780199674923.003.0014

Vision is a sensory modality of primary importance to many animal species. The efficient implementation of visual perception is also one of the main challenges in the design of intelligent robotic systems. This chapter reviews the principles of operation and key features of the early stages of biological vision systems. Following the observation that visual information processing starts in the eye, it reviews several approaches to constructing biomimetic artificial vision systems. It presents devices inspired by the morphology of the insects’ compound eyes, and devices tightly integrating image sensing and processing circuitry. These include silicon integrated circuits mimicking the operation of vertebrate retinas, and bio-inspired systems oriented towards machine vision applications, such as dynamic vision sensors and vision chips with pixel-parallel cellular processor arrays. It elucidates the advantages of the near-sensor processing of the visual information, and potential for future developments of neuromorphic vision sensors.

Keywords:   compound eye, retina, early vision, CMOS image sensor, vision chip, dynamic vision sensor, sensor-level processing, pixel-parallel processor array, neuromorphic engineering

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