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Search technique for pattern recognition using relative distances

Identifieur interne : 000951 ( PascalFrancis/Curation ); précédent : 000950; suivant : 000952

Search technique for pattern recognition using relative distances

Auteurs : T. E. Portegys [États-Unis]

Source :

RBID : Pascal:95-0527484

Descripteurs français

English descriptors

Abstract

A technique for creating and searching a tree of patterns using relative distances is presented. The search is conducted to find patterns which are nearest neighbors of a given test pattern. The structure of the tree is such that the search time is proportional to the distance between the test pattern and its nearest neighbor, which suggests the anomalous possibility that a larger tree, which can be expected on average to contain closer neighbors, can be searched faster than a smaller tree. The technique has been used to recognize OCR digit samples derived from NIST data at an accuracy rate of 97% using a tree of 7,000 patterns.
pA  
A01 01  1    @0 0162-8828
A02 01      @0 ITPIDJ
A03   1    @0 IEEE Trans Pattern Anal Mach Intell
A05       @2 17
A06       @2 9
A08 01  1  ENG  @1 Search technique for pattern recognition using relative distances
A11 01  1    @1 PORTEGYS (T. E.)
A14 01      @1 AT&T Bell Lab @2 Naperville IL @3 USA @Z 1 aut.
A20       @1 910-914
A21       @1 1995
A23 01      @0 ENG
A43 01      @1 INIST @2 222 T
A44       @0 A100
A45       @0 12 Refs.
A47 01  1    @0 95-0527484
A60       @1 P
A61       @0 A
A64 01  1    @0 IEEE Transactions on Pattern Analysis and Machine Intelligence
A66 01      @0 USA
C01 01    ENG  @0 A technique for creating and searching a tree of patterns using relative distances is presented. The search is conducted to find patterns which are nearest neighbors of a given test pattern. The structure of the tree is such that the search time is proportional to the distance between the test pattern and its nearest neighbor, which suggests the anomalous possibility that a larger tree, which can be expected on average to contain closer neighbors, can be searched faster than a smaller tree. The technique has been used to recognize OCR digit samples derived from NIST data at an accuracy rate of 97% using a tree of 7,000 patterns.
C02 01  1    @0 001D02C
C02 02  1    @0 001D02A
C02 03  1    @0 001D02B07B
C02 04  1    @0 001A02I01
C03 01  1  ENG  @0 Nearest neighbor @4 INC
C03 02  1  ENG  @0 Distance metric @4 INC
C03 03  1  ENG  @0 NIST digit samples @4 INC
C03 04  1  ENG  @0 Pattern insertion @4 INC
C03 05  1  ENG  @0 Pattern searching @4 INC
C03 06  X  FRE  @0 Application
C03 06  X  ENG  @0 Application
C03 06  X  GER  @0 Anwendung
C03 06  X  SPA  @0 Aplicación
C03 07  1  FRE  @0 Reconnaissance optique caractère
C03 07  1  ENG  @0 Optical character recognition
C03 08  1  FRE  @0 Algorithme
C03 08  1  ENG  @0 Algorithms
C03 09  1  FRE  @0 Fonction récursive
C03 09  1  ENG  @0 Recursive functions
C03 10  1  FRE  @0 Structure donnée
C03 10  1  ENG  @0 Data structures
C03 11  1  FRE  @0 Calcul
C03 11  1  ENG  @0 Calculations
C03 12  1  FRE  @0 Reconnaissance forme @3 P
C03 12  1  ENG  @0 Pattern recognition @3 P
C03 13  1  FRE  @0 Théorie
C03 13  1  ENG  @0 Theory
N21       @1 302

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Le document en format XML

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