US 11,869,259 B2
Text line image splitting with different font sizes
Florian Kuhlmann, Berlin (DE); and Michael Kieweg, Berlin (DE)
Assigned to LEVERTON HOLDING LLC, Solon, OH (US)
Filed by LEVERTON HOLDING LLC, Solon, OH (US)
Filed on Oct. 18, 2021, as Appl. No. 17/503,906.
Application 17/503,906 is a continuation of application No. 16/546,982, filed on Aug. 21, 2019, granted, now 11,151,371.
Claims priority of provisional application 62/721,185, filed on Aug. 22, 2018.
Prior Publication US 2022/0108555 A1, Apr. 7, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G06V 30/144 (2022.01); G06V 30/148 (2022.01); G06F 40/284 (2020.01); G06V 30/414 (2022.01); G06V 30/10 (2022.01)
CPC G06V 30/158 (2022.01) [G06F 40/284 (2020.01); G06V 30/153 (2022.01); G06V 30/414 (2022.01); G06V 30/10 (2022.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
(a) receiving a text line image associated with a line of text contained within a document image;
(b) selecting at least one splitting position between multiple zones of the text line image, wherein each zone contains text whose font differs from the text of each adjacent zone;
(c) splitting the text line image at the splitting position into a plurality of image segments; and
(d) recognizing, within each image segment, a corresponding text segment of each image segment.