(19) United States
(12) Patent Application Publication (io) Pub. No.: US 2003/0044073 Al
Matsugu et al. (43) Pub. Date: Mar. 6,2003
MORGAN & FINNEGAN, L.L.P.
345 Park Avenue
New York, NY 10154-0053 (US)
(21) Appl. No.: 10/265,923
(22) Filed: Oct. 7, 2002
Related U.S. Application Data
(63) Continuation of application No. 08/893,929, filed on Jul. 15, 1997, now Pat. No. 6,463,176, which is a continuation of application No. 08/383,017, filed on Feb. 2, 1995, now abandoned.
(30) Foreign Application Priority Data
Feb. 2, 1994 (JP) 6-010806
May 23, 1994 (JP) 6-108139
(51) Int. CI.7 G06K 9/34; G06K 9/46;
G06K 9/66; G06K 9/62
(52) U.S. CI 382/195; 382/209; 382/173
An image recognition/reproduction method includes an extraction step of extracting local feature elements of an image, and a selection step of selecting a pair composed of a prescribed local feature element and position information indicative thereof, this pair being such that the distance between a pair composed of a prescribed local feature element and position information indicative thereof and a pair composed of a local feature element extracted at the extraction step and position information indicative thereof is less than a prescribed distance.