	US 12,265,027 B2
	System and method for focusing color Schlieren diagnostics
Ingmar Schoegl, Baton Rouge, LA (US)
Assigned to BOARD OF SUPERVISORS OF LOUISIANA STATE UNIVERSITY AND AGRICULTURAL AND MECHANICAL COLLEGE, Baton Rouge, LA (US)
Filed by Ingmar Schoegl, Baton Rouge, LA (US)
Filed on Jun. 7, 2023, as Appl. No. 18/206,972.
Application 18/206,972 is a division of application No. 17/095,392, filed on Nov. 11, 2020, granted, now 11,709,131.
Application 17/095,392 is a continuation of application No. 15/860,978, filed on Jan. 3, 2018, granted, now 10,866,186.
Claims priority of provisional application 62/441,798, filed on Jan. 3, 2017.
Prior Publication US 2023/0324297 A1, Oct. 12, 2023
Int. Cl. G01N 21/45 (2006.01); G01F 1/661 (2022.01); G01N 21/27 (2006.01); H04N 17/02 (2006.01)

CPC G01N 21/455 (2013.01) [H04N 17/02 (2013.01); G01F 1/661 (2013.01); G01N 21/274 (2013.01)]

9 Claims

1. A non-transitory computer-readable storage medium having instruction stored which, when executed by a processor, cause the processor to perform operations comprising: collecting visual data with a sensor plane, the visual data associated with light received from a source image, the light passing sequentially from the source image through a test area, an imaging lens, and a two dimensional cutoff image before being received at the sensor plane, the two dimensional cutoff image comprising a pattern of hexagon shapes; and calibrating a display for the source image, the source image comprising a digital visual media display capable of providing the light, based on the visual data from the sensor plane.