Patent ID: 9361681
Filing Date: 2016-06-07
CPC Classification: G06K,G06T

Claim Text:
1. A computer-implemented method comprising: obtaining a plurality of images of an eye, wherein the images each include a view of a portion of a vasculature of the eye; determining a plurality of respective metrics for each of the images based on analyzing image data elements of the image, wherein the respective metrics include a first metric that represents a calculated area of one or more connected structures of programmatically enhanced vasculature in the image and a second metric that represents an extent of detected vasculature in the image based on a plurality of color difference signals determined from color components of the image; calculating a respective first score for each of the images wherein the first score represents a comparison of the respective metrics of the image with corresponding metrics for a reference image; calculating a second score based on, at least, a combination of the first scores; and granting a user access to a device or a service based on the second score.