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:
Sep. 20, 2016
Filed:
Oct. 29, 2014
Xiaomi Inc., Beijing, CN;
XIAOMI INC., Haidian District, Beijing, CN;
Abstract
The present disclosure relates to a method and a device for detecting a straight line. The method includes: acquiring a Histogram of Oriented Gradients (HOG) feature set for each respective pixel point in an image, wherein the HOG feature set is configured to reflect straight line characteristics of a localized portion where the pixel point locates; determining at least one candidate direction of a straight line to be detected according to the HOG feature sets of the respective pixel points; and detecting a direction and a position of the straight line precisely according to the candidate direction. The present disclosure efficiently avoids the errors caused by binarization, and increases the accuracy of the detection of straight line.