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. 16, 2017
Filed:
Aug. 18, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Yong Jiang, Beijing, CN;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An object detection device comprises a specific object detector configured to detect a specific object in an image, a scene model creation unit configured to create a scene model characterizing a background of the specific object in the image, and a filtering unit configured to filter object detection results of the specific object detector using the scene model to determine the specific object, wherein the scene model creation unit comprises a collection unit configured to collect regions other than the specific object to be detected from the image as samples, a feature extraction unit configured to extract first negative feature vectors from the samples, a clustering unit configured to cluster first negative feature vectors into a plurality of feature groups, and a classifier creation unit configured to create first classifiers each for respective one of the feature groups and to create the scene model by combining the first classifiers.