Abstract: Methods and devices for detecting sites of low optical reflectivity from optical coherence tomography, OCT, of the retina are provided. The method includes segmenting retinal layers from OCT data, calculating optical reflectivity of each segmented retinal layers from the OCT data, and detecting sites of low optical reflectivity from the calculated optical reflectivity of the segmented retinal layers. The calculated optical reflectivity can be compared against a predetermined threshold obtained from a healthy population. Segmenting can be carried out according to the optical reflectivity of each identified retinal layer. OCT-Microangiography data can be displayed side-by-side or superimposed with the enface images of the calculated optical reflectivity. The device can be combined with OCT equipment, in particular for displaying the detected sites of low optical reflectivity.
Type:
Grant
Filed:
April 29, 2016
Date of Patent:
February 1, 2022
Assignee:
AIBILI-ASSOCIAÇÃO PARA INVESTIGAÇÃO BIOMÉDICA E INOVAÇÃO EM LUZ E IMAGEM
Inventors:
José Guilherme Fernandes Da Cunha-Vaz, Torcato Miguel Barreira Paredes Dos Santos
Abstract: Methods and devices for detecting sites of low optical reflectivity from optical coherence tomography, OCT, of the retina are provided. The method includes segmenting retinal layers from OCT data, calculating optical reflectivity of each segmented retinal layers from the OCT data, and detecting sites of low optical reflectivity from the calculated optical reflectivity of the segmented retinal layers. The calculated optical reflectivity can be compared against a predetermined threshold obtained from a healthy population. Segmenting can be carried out according to the optical reflectivity of each identified retinal layer. OCT-Microangiography data can be displayed side-by-side or superimposed with the enface images of the calculated optical reflectivity. The device can be combined with OCT equipment, in particular for displaying the detected sites of low optical reflectivity.
Type:
Application
Filed:
April 29, 2016
Publication date:
May 31, 2018
Applicant:
AIBILI - ASSOCIAÇÃO PARA INVESTIGAÇÃO BIOMÉDICA E INOVAÇÃO EM LUZ E IMAGEM
Inventors:
José Guilherme FERNANDES DA CUNHA-VAZ, Torcato Miguel BARREIRA PAREDES DOS SANTOS