Micah H Jenkins

US Patent:

20150100278, Apr 9, 2015

Filed:

Oct 3, 2014

Appl. No.:

14/505565

Inventors:

- Atlanta GA, US
Micah H. Jenkins - Atlanta GA, US
Joshua M. Long - Atlanta GA, US

International Classification:

G01N 21/45
G01B 9/02
G06F 17/14

US Classification:

702189

Abstract:

Systems and methods for quantitative phase imaging are disclosed. In one embodiment, a method includes acquiring a through-focal series of defocused images of an object illuminated with a partially coherent light source; calculating a plurality of estimates of longitudinal intensity derivatives for respective fittings of the series of defocused images; recovering a phase estimate for each respective estimate of the longitudinal intensity derivative by solving a transport of intensity (TIE) equation; filtering the recovered phase estimates to produce component parts of an overall phase estimate; and forming an overall phase image by addition of the filtered phase estimates.