US 7,487,151 B2
Information processing apparatus, information processing method, program for implementing information processing method, information processing system, and method for information processing system
Noriyuki Yamamoto, Kanagawa (Japan)
Assigned to Sony Corporation, Tokyo (Japan)
Filed on Nov. 15, 2004, as Appl. No. 10/987,158.
Claims priority of application No. 2003-403146 (JP), filed on Dec. 02, 2003.
Prior Publication US 2005/0165782 A1, Jul. 28, 2005
Int. Cl. G06F 17/00 (2006.01); G06F 17/30 (2006.01); G06F 7/00 (2006.01); G06K 9/62 (2006.01)
U.S. Cl. 707—7  [707/E17.009] 43 Claims
OG exemplary drawing
 
1. An information processing apparatus comprising:
modification means for acquiring M information sets each including N pieces of individual information and modifying at least partially the N pieces of individual information of each of the M information sets such that correlations among the N pieces of individual information are emphasized, where N is an integer equal to or greater than 2 and M is an integer equal to or greater than 1;
generation means for generating a reference information set including N pieces of individual information for use as a reference in a calculation of similarity, from the M information sets each including N pieces of individual information modified by the modification means; and
similarity calculation means for acquiring, as a comparative information set, a new information set including N individual information elements and calculating the similarity of the comparative information set with respect to the reference information set produced by the generation means.