SYSTEM AND METHOD OF A PROCESS FOR ROBUST MACULAR THICKNESS ANALYSIS USING LOW-COST LINE-FIELD OPTICAL COHERENCE TOMOGRAPHY (OCT)
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United States of America Patent
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Issued Date -
Jun 22, 2023
app pub date -
Dec 15, 2022
filing date -
Dec 16, 2021
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Abstract
A system and method for creating a composite retinal thickness map of an eye, including collecting, by an optical coherence tomography (OCT) device, a set of a plurality of optical coherence tomography (OCT) volume scans of the eye. At least one set of the plurality of OCT volume scans is collected by the OCT device by: segmenting a target upper retinal layer and a target lower retinal layer which is lower than the target upper retinal layer within an OCT volume scan; determining a thickness map of a candidate between the upper retinal layer and lower retinal layer, and a confidence map associated with the thickness map; selecting at least one thickness map as a reference thickness map; registering at least one thickness map to the reference thickness map; and selectively combining a region of the thickness map with a corresponding region of the reference thickness map to define a composite retinal thickness map.
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