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IMAGE RECOGNITION METHOD, IMAGE RECOGNITION DEVICE, AND IMAGE RECOGNITION PROGRAM 新技術説明会

外国特許コード F110002505
整理番号 S2006-1374-C0
掲載日 2011年3月14日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2007JP065086
国際公開番号 WO 2008/026414
国際出願日 平成19年8月1日(2007.8.1)
国際公開日 平成20年3月6日(2008.3.6)
優先権データ
  • 特願2006-236113 (2006.8.31) JP
  • 特願2007-129737 (2007.5.15) JP
発明の名称 (英語) IMAGE RECOGNITION METHOD, IMAGE RECOGNITION DEVICE, AND IMAGE RECOGNITION PROGRAM 新技術説明会
発明の概要(英語) It is possible to provide a high-speed object recognition process method in an object recognition process which extracts feature vectors from an image where an object is captured so as to expresses the object by a plenty of feature vectors and search an image database for an object whose features are matched. Provided is also a method for saving a memory capacity required for the image database. Suggested is a speed increasing method for a task for recognizing an object described by a plurality of feature vectors by the approximation nearest neighbor search. One of the speed increase methods is realized by discarding feature vectors when a plenty of feature vectors are present in the vicinity and a plenty of distance calculation are required. The other speed increase method is realized performs only voting by using the Hash table without performing any distance calculation. Moreover, identification devices based on the approximation nearest neighbor search are longitudinally connected in multiple stages so that the approximation degree used for the recognition is modified in accordance with the image, thereby significantly increasing the efficiency.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • OSAKA PREFECTURE UNIVERSITY PUBLIC CORPORATION
  • 発明者(英語)
  • NOGUCHI, Kazuto
  • KISE, Koichi
  • IWAMURA, Masakazu
国際特許分類(IPC)
指定国 AE(UTILITY MODEL),AG,AL(UTILITY MODEL),AM(PROVISIONAL PATENT)(UTILITY MODEL),AT(UTILITY MODEL),AU,AZ(UTILITY MODEL),BA,BB,BG(UTILITY MODEL),BH,BR(UTILITY MODEL),BW,BY(UTILITY MODEL),BZ(UTILITY MODEL),CA,CH,CN(UTILITY MODEL),CO(UTILITY MODEL),CR(UTILITY MODEL),CU(INVENTOR'S CERTIFICATE),CZ(UTILITY MODEL),DE(UTILITY MODEL),DK(UTILITY MODEL),DM,DO,DZ,EC(UTILITY MODEL),EE(UTILITY MODEL),EG(UTILITY MODEL),ES(UTILITY MODEL),FI(UTILITY MODEL),GB,GD,GE(UTILITY MODEL),GH,GM,GT,HN,HR(CONSENSUAL PATENT),HU(UTILITY MODEL),ID,IL,IN,IS,JP(UTILITY MODEL),KE(UTILITY MODEL),KG(UTILITY MODEL),KM,KN,KP(INVENTOR'S CERTIFICATE)(UTILITY MODEL),KR(UTILITY MODEL),KZ(PROVISIONAL PATENT)(UTILITY MODEL),LA,LC,LK,LR,LS(UTILITY MODEL),LT,LU,LY,MA,MD(UTILITY MODEL),ME,MG,MK,MN,MW,MX(UTILITY MODEL),MY(UTILITY-INNOVATION),MZ(UTILITY MODEL),NA,NG,NI(UTILITY MODEL),NO,NZ,OM,PG,PH(UTILITY MODEL),PL(UTILITY MODEL),PT(UTILITY MODEL),RO,RS(PETTY PATENT),RU(UTILITY MODEL),SC,SD,SE,SG,SK(UTILITY MODEL),SL(UTILITY MODEL),SM,SV,SY,TJ(UTILITY MODEL),TM(PROVISIONAL PATENT),TN,TR(UTILITY MODEL),TT(UTILITY CERTIFICATE),TZ,UA(UTILITY MODEL),UG(UTILITY CERTIFICATE),US,UZ(UTILITY MODEL),VC(UTILITY CERTIFICATE),VN,ZA,ZM,ZW,EP(AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HU,IE,IS,IT,LT,LU,LV,MC,MT,NL,PL,PT,RO,SE,SI,SK,TR),OA(BF(UTILITY MODEL),BJ(UTILITY MODEL),CF(UTILITY MODEL),CG(UTILITY MODEL),CI(UTILITY MODEL),CM(UTILITY MODEL),GA(UTILITY MODEL),GN(UTILITY MODEL),GQ(UTILITY MODEL),GW(UTILITY MODEL),ML(UTILITY MODEL),MR(UTILITY MODEL),NE(UTILITY MODEL),SN(UTILITY MODEL),TD(UTILITY MODEL),TG(UTILITY MODEL)),AP(BW,GH,GM,KE,LS,MW,MZ,NA,SD,SL,SZ,TZ,UG,ZM,ZW),EA(AM,AZ,BY,KG,KZ,MD,RU,TJ,TM)

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