US 11,854,110 B2
System and method for determining geographic information of airport terminal chart and converting graphical image file to hardware directives for display unit
Jeff M. Henry, Cedar Rapids, IA (US); and Srinath A. Nandakumar, San Ramon, CA (US)
Assigned to Rockwell Collins, Inc., Cedar Rapids, IA (US)
Filed by Rockwell Collins, Inc., Cedar Rapids, IA (US)
Filed on Dec. 21, 2021, as Appl. No. 17/558,113.
Application 17/558,113 is a continuation in part of application No. 17/525,534, filed on Nov. 12, 2021.
Claims priority of provisional application 63/278,576, filed on Nov. 12, 2021.
Prior Publication US 2023/0154076 A1, May 18, 2023
Int. Cl. G06T 11/20 (2006.01); G06T 7/50 (2017.01); G06T 7/70 (2017.01); G06V 30/41 (2022.01); G06V 30/242 (2022.01); G06V 30/14 (2022.01); G06F 3/14 (2006.01); G06T 7/60 (2017.01); G06T 11/60 (2006.01)
CPC G06T 11/203 (2013.01) [G06F 3/14 (2013.01); G06T 7/50 (2017.01); G06T 7/60 (2013.01); G06T 7/70 (2017.01); G06T 11/60 (2013.01); G06V 30/1448 (2022.01); G06V 30/242 (2022.01); G06V 30/41 (2022.01); G06T 2200/28 (2013.01); G06T 2207/30176 (2013.01); G06T 2210/12 (2013.01); G06T 2210/32 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A system, comprising:
at least one computer readable medium; and
at least one processor communicatively coupled to the at least one computer readable medium, the at least one processor configured to:
obtain a graphical image file, the graphical image file including an image of an airport terminal chart, wherein the image includes at least one portion including textual characters;
identify two lines of latitude in the image;
identify a latitudinal set of characters, in the image, associated with a latitude for each of the two lines of latitude;
based at least on the latitudinal set of characters, determine a latitude for each of the two lines of latitude;
based at least on the latitude for each of the two lines of latitude and a first image distance between the two lines of latitude, determine a first ratio of latitudinal degrees between the two lines of latitude to the first image distance;
identify two lines of longitude in the image;
identify a longitudinal set of characters, in the image, associated with a longitude for each of the two lines of longitude;
based at least on the longitudinal set of characters, determine a longitude for each of the two lines of longitude;
based at least on the longitude for each of the two lines of longitude and a second image distance between the two lines of longitude, determine a second ratio of longitudinal degrees between the two lines of longitude to the second image distance;
convert the graphical image file to at least one file including hardware directives that when executed cause a recreation of the image of the graphical image file to be drawn; and
output information associated with the first ratio, the second ratio, the determined latitude for each of the two lines of latitude, and the determined longitude for each of the two lines of longitude.