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:
May. 07, 2019
Filed:
Nov. 22, 2016
Applicant:
Xiaomi Inc., Beijing, CN;
Inventors:
Assignee:
Xiaomi Inc., Beijing, CN;
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/46 (2006.01); G06K 9/48 (2006.01); G06K 9/62 (2006.01);
U.S. Cl.
CPC ...
G06K 9/6249 (2013.01); G06K 9/4647 (2013.01); G06K 2009/4695 (2013.01); G06K 2009/485 (2013.01);
Abstract
A method for characteristic extraction includes dividing an image into a plurality of blocks, each block including a plurality of cells. The method also includes performing sparse signal decomposition for each cell to obtain a sparse vector corresponding to each cell. The method further includes extracting characteristics of Histogram of Oriented Gradient (HOG) of the image according to the sparse vectors.