Neuromorphic silicon retinas : (Record no. 432846)

MARC details
000 -LEADER
fixed length control field 02504nam a22002417a 4500
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 241127b |||||||| |||| 00| 0 eng d
041 ## - LANGUAGE CODE
Language code of text/sound track or separate title Eng.
082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER
Classification number 621.39
Item number PHI
100 ## - MAIN ENTRY--PERSONAL NAME
Personal name Philip, Prince
245 ## - TITLE STATEMENT
Title Neuromorphic silicon retinas :
Remainder of title analog and digital models
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc Bangalore :
Name of publisher, distributor, etc Indian Institute of Science,
Date of publication, distribution, etc 2024.
300 ## - PHYSICAL DESCRIPTION
Extent xxv, 142p. :
Other physical details Col. ill.
Accompanying material e-Thesis
Size of unit 14.12Mb
500 ## - GENERAL NOTE
General note Incudes bibliographical references.
502 ## - DISSERTATION NOTE
Dissertation note PhD;2024;Electronic Systems Engineering.
520 ## - SUMMARY, ETC.
Summary, etc Silicon retinas are artificial retinal devices designed to replicate the functionality of the biological retina using silicon-based technologies. These retinas aim to address visual impairment by capturing and processing visual information, serving as a key component in the development of visual prosthetics and artificial vision systems. While various artificial retina implementations exist, there is an ongoing need for a more realistic model that closely mimics the structure and function of the biological retina. The development of precise artificial retinas holds great significance owing to their potential to restore vision, improve visual prosthetics, and enhance computer vision systems. This thesis, therefore, presents a biologically more accurate retina model implemented using analog circuits. The proposed retina incorporates spatio-temporal filtering in the outer plexiform layer (OPL), luminance adaptation, a contrast gain control mechanism, tonic and phasic cells, and spiking. The center-surround structure of the outer plexiform layer (OPL) enhances the retina's visual processing capabilities, acting as an edge and movement detector at the same time. The integration of contrast gain control and luminance adaptation ensures adaptability to varying light conditions, while the inclusion of tonic and phasic cells enriches visual processing capabilities. Moreover, the thesis also introduces a digital retina model on an FPGA, aiming to replicate biological features effectively. These models create biologically more realistic, and highly effective retina models for visual prosthetics, contributing to artificial vision system advancements and potential solutions for vision-related disorders.
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Neuromorphic
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Silicon Retina
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Retina artificial
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name as entry element Visually impaired assistive device
700 ## - ADDED ENTRY--PERSONAL NAME
Personal name Advised by Thakur, Chetan Singh
856 ## - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier https://etd.iisc.ac.in/handle/2005/6690
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Thesis

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