Backlit image judgment

Details Backlit image judgment Backlit image judgment

2004-07-29

2009-08-04

Bella, Matthew C. (Department: 2624)

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

C382S282000, C382S168000

Reexamination Certificate

active

07570836

ABSTRACT:
A CPU200analyzes inner region pixels IP and outer region pixels OP independently; compares an inner luminance distribution characteristic i.e. a luminance distribution characteristic regarding the inner region pixels IP with a reference inner luminance distribution characteristic regarding image data of a backlit image that is previously stored in a HDD202; and thereby calculates an inner similarity Si. Similarity, the CPU200compares an outer luminance distribution characteristic i.e. a luminance distribution characteristic regarding the outer region pixels OP with a reference outer luminance distribution characteristic, and thereby calculates an outer similarity So. The CPU200then calculates a total similarity St by multiplying the calculated inner similarity Si by the outer similarity So. If the total similarity St is greater than a criterion similarity Stref, the CPU200judges the shot image to be a backlit image.

REFERENCES:
patent: 7058221 (2006-06-01), Shikata
patent: 7200265 (2007-04-01), Imai
patent: 2002/0085248 (2002-07-01), Xu et al.
patent: 2005/0084174 (2005-04-01), Imai
patent: 10-079885 (1998-03-01), None
patent: 11-120325 (1999-04-01), None
patent: 2000-134467 (2000-05-01), None
patent: 2001-169114 (2001-06-01), None
patent: 2002-010073 (2002-01-01), None
patent: 2002-185771 (2002-06-01), None
patent: 2003-248822 (2003-09-01), None
patent: 2003-337944 (2003-11-01), None
Abstract of Japanese Patent Publication No. 2002-185771, Pub. Date: Jun. 28, 2002, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 10-079885, Pub. Date: Mar. 24, 1998, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 11-120325, Pub. Date: Apr. 30, 1999, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2000-134467 Pub. Date: May 12, 2000, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2001-169114 Pub. Date: Jun. 22, 2001, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2002-010073 Pub. Date: Jan. 11, 2002, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2003-248822, Pub. Date: Sep. 5, 2003, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2003-337944 Pub. Date: Nov. 28, 2003, Patent Abstracts of Japan.

Affiliated with

Also associated with

Rating

Backlit image judgment does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Backlit image judgment, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Backlit image judgment will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4115097