Patent ID: 9746377
Date: 2017-08-29
CPC Classifications: G01J,G06T,H04N

Claim:
1. An imaging device configured to collect a set of eight to twelve images for determining oxyhemoglobin and deoxyhemoglobin content of a tissue, comprising: a light source, a lens configured to receive light that has been emitted from the at least one light source and backscattered by the tissue, a plurality of photo-sensors in optical communication with the lens and configured to collect the set of eight to twelve images of the tissue, and a plurality of multi-bandpass filters, wherein each respective multi-bandpass filter in the plurality of multi-bandpass filters covers a corresponding photo-sensor in the plurality of photo-sensors thereby selectively allowing a different corresponding spectral band of light, from the light received by the lens, to pass through to the corresponding photo-sensor; wherein each image in the set of eight to twelve images is collected at a discrete spectral band, and the set of eight to twelve images comprises images collected at any seven or more spectral bands of a predetermined set of spectral bands having central wavelengths: 520±5 nm, 540±5 nm, 560±5 nm, 580±5 nm, 590±5 nm, 610±5 nm, 620±5 nm, and 640±5 nm.