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.

Date of Patent:
Apr. 11, 2017

Filed:

Mar. 12, 2013
Applicant:

Nikon Corporation, Tokyo, JP;

Inventor:

Li Hong, San Diego, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/34 (2006.01); G06K 9/46 (2006.01); G06K 9/00 (2006.01); G06K 9/32 (2006.01); G06T 7/00 (2017.01);
U.S. Cl.
CPC ...
G06K 9/00624 (2013.01); G06K 9/3241 (2013.01); G06K 9/4652 (2013.01); G06K 9/4671 (2013.01); G06K 9/4676 (2013.01); G06T 7/0081 (2013.01);
Abstract

A method for detecting a main subject in an image comprises the steps of: (i) computing a plurality of saliency features from the image () with a control system (); (ii) generating a spatial weight map for each of a plurality of image segments of the image () with the control system (); (iii) adjusting the plurality of saliency features via the spatial weight map to generate a plurality of adjusted saliency features; (iv) combining at least two of the plurality of adjusted saliency features to generate a saliency map of the image (); and (v) extracting the main subject from the saliency map of the image (). Additionally, the plurality of saliency features can include at least two of a sharp/blur saliency feature, a spectral residual saliency feature, a color spatial distribution saliency feature, and one or more color contrast saliency features.


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