WO2003067466A3 - Efficient storage of fingerprints - Google Patents

Efficient storage of fingerprints Download PDF

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Publication number
WO2003067466A3
WO2003067466A3 PCT/IB2003/000217 IB0300217W WO03067466A3 WO 2003067466 A3 WO2003067466 A3 WO 2003067466A3 IB 0300217 W IB0300217 W IB 0300217W WO 03067466 A3 WO03067466 A3 WO 03067466A3
Authority
WO
WIPO (PCT)
Prior art keywords
database
series
fingerprints
sub
fingerprint
Prior art date
Application number
PCT/IB2003/000217
Other languages
French (fr)
Other versions
WO2003067466A2 (en
Inventor
Jaap A Haitsma
Antonius A C M Kalker
Steven M Schimmel
Original Assignee
Koninkl Philips Electronics Nv
Jaap A Haitsma
Antonius A C M Kalker
Steven M Schimmel
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv, Jaap A Haitsma, Antonius A C M Kalker, Steven M Schimmel filed Critical Koninkl Philips Electronics Nv
Priority to KR10-2004-7012131A priority Critical patent/KR20040086350A/en
Priority to AU2003244416A priority patent/AU2003244416A1/en
Priority to US10/503,245 priority patent/US7477739B2/en
Priority to JP2003566745A priority patent/JP2005517211A/en
Priority to EP03737399A priority patent/EP1474761A2/en
Publication of WO2003067466A2 publication Critical patent/WO2003067466A2/en
Publication of WO2003067466A3 publication Critical patent/WO2003067466A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
    • G06F16/43—Querying
    • G06F16/432—Query formulation
    • G06F16/433—Query formulation using audio data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/40—Data acquisition and logging
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
    • G06F16/41—Indexing; Data structures therefor; Storage structures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
    • G06F16/63—Querying
    • G06F16/632—Query formulation
    • G06F16/634—Query by example, e.g. query by humming
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
    • G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/683—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Library & Information Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Storage Device Security (AREA)

Abstract

A robust fingerprinting system is disclosed. Such a system can recognize unknown multimedia content (U(t)) by extracting a fingerprint (a series of hash words) from said content, and searching a resembling fingerprint in a database in which fingerprints of a plurality of known contents (K(t)) are stored. In order to more efficiently store the fingerprints in the database and to speed up the search, the hash words (H(n)) of known signals (K(t)) are sub-sampled (13) by a factor M prior to storage in the database (14). The hash words (H(n)) of unknown signals (U(t)) are divided (16) into M interleaved sub-series (H0(n)..HM-1(n)). The interleaved sub-series are selectively (17) applied to the database (14) under the control of a computer (15). If only one of the sub-series sufficiently matches a stored fingerprint, the signal is identified.
PCT/IB2003/000217 2002-02-05 2003-01-21 Efficient storage of fingerprints WO2003067466A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR10-2004-7012131A KR20040086350A (en) 2002-02-05 2003-01-21 Efficient storage of fingerprints
AU2003244416A AU2003244416A1 (en) 2002-02-05 2003-01-21 Efficient storage of fingerprints
US10/503,245 US7477739B2 (en) 2002-02-05 2003-01-21 Efficient storage of fingerprints
JP2003566745A JP2005517211A (en) 2002-02-05 2003-01-21 Efficient storage of fingerprints
EP03737399A EP1474761A2 (en) 2002-02-05 2003-01-21 Efficient storage of fingerprints

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02075498 2002-02-05
EP02075498.2 2002-02-05

Publications (2)

Publication Number Publication Date
WO2003067466A2 WO2003067466A2 (en) 2003-08-14
WO2003067466A3 true WO2003067466A3 (en) 2004-06-03

Family

ID=27675698

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2003/000217 WO2003067466A2 (en) 2002-02-05 2003-01-21 Efficient storage of fingerprints

Country Status (7)

Country Link
US (1) US7477739B2 (en)
EP (1) EP1474761A2 (en)
JP (1) JP2005517211A (en)
KR (1) KR20040086350A (en)
CN (1) CN1628302A (en)
AU (1) AU2003244416A1 (en)
WO (1) WO2003067466A2 (en)

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