The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 21, 2020
Filed:
Jul. 24, 2017
Dropbox, Inc., San Francisco, CA (US);
Nils Peter Welinder, San Francisco, CA (US);
Peter N. Belhumeur, San Francisco, CA (US);
Ying Xiong, Sunnyvale, CA (US);
Jongmin Baek, San Jose, CA (US);
Simon Kozlov, San Francisco, CA (US);
Thomas Berg, San Francisco, CA (US);
David J. Kriegman, San Diego, CA (US);
Dropbox, Inc., San Francisco, unknown;
Abstract
Systems and methods that efficiently and effectively generate an enhanced document image of a displayed document in an image frame captured from a live image feed are disclosed. For example, systems and methods described herein apply a document enhancement process to a displayed document in an image frame that result in an enhanced document image that is cropped, rectified, un-shadowed, and with dark text against a mostly white background. Additionally, systems and method described herein determine whether a stored digital content item includes a displayed document. In response to determining that a stored digital content item does include a displayed document, systems and methods described herein generate an enhanced document image of a displayed document included in the stored digital content item.