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:
Jun. 13, 2017

Filed:

Apr. 10, 2014
Applicant:

Htc Corporation, Taoyuan, Taoyuan County, TW;

Inventor:

Wen-Chun Feng, Taoyuan, TW;

Assignee:

HTC Corporation, Taoyuan, Taoyuan County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/217 (2011.01); H04N 5/235 (2006.01); G06T 5/00 (2006.01); H04N 5/355 (2011.01); H04N 5/357 (2011.01); H04N 9/68 (2006.01); H04N 9/73 (2006.01);
U.S. Cl.
CPC ...
H04N 5/2173 (2013.01); G06T 5/006 (2013.01); H04N 5/2353 (2013.01); H04N 5/2355 (2013.01); H04N 5/3572 (2013.01); H04N 5/35581 (2013.01); H04N 9/68 (2013.01); H04N 9/735 (2013.01);
Abstract

A method for performing lens shading compensation is provided. The method includes: receiving at least two series of source images of different exposure settings; performing first lens shading compensation on the at least two series of source images respectively; analyzing luminance distribution of the at least two series of compensated source images; composing a series of HDR images from the at least two series of compensated source images according to the luminance distribution; performing second lens shading compensation on the series of HDR image; and performing tone mapping on the series of compensated HDR images. A system for performing lens shading compensation is also provided.


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