Method for indexing and identifying multimedia documents

Details Method for indexing and identifying multimedia documents Method for indexing and identifying multimedia documents

2004-11-25

2009-06-23

LeRoux, Etienne P (Department: 2166)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C707S793000, C707S793000, C382S108000, C382S154000, C382S164000, C382S165000, C382S170000, C382S176000, C382S278000, C382S286000, C704S010000, C704S201000, C706S002000

Reexamination Certificate

active

07552120

ABSTRACT:
The method of indexing multimedia documents comprises the following steps: a) for each document identifying and extracting terms ticonstituted by vectors characterizing properties of the; b) storing terms tiin a term base comprising P terms; c) determining a maximum number N of desired concepts that group together the most pertinent terms ti; d) calculating the matrix T of distances between the terms tiof the term base; e) decomposing the set P of terms tiof the term base into N portions Pj(1≦j≦N) such that P=P1∪ P2. . . ∪ Pj. . . ∪ PN, each portion Pjcomprising a set of terms tijand being represented by a concept cj, the terms tibeing distributed in such a manner that the terms that are farther apart are to be found in distinct portions Pl, Pm, and the terms that are closer together are to be found in the same portion Pl; f) structuring the concept dictionary; and g) constructing a fingerprint base made up of the set of concepts cirepresenting the terms tiof the documents, each document being associated with a fingerprint that is specific thereto.

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Chang, Y., et al: “Conceptual retrieval based on feature clustering of documents” Proceedings of ACM SIGIR Workshop on Mathematical-Formal Methods in Information Retrieval, ′Online! Aug. 2002, pp. 1-10. Tampere, Finland. Retrieved from the Internet: URL:http://www.cacs.louisiana.edu/Publications/Raghavan/CCCK02.pdf> Retrieved on Sep. 15, 2004. Abstract; p. 3, paragraph 3; figure 1.
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Carre, M. et al: Indexation Audio: Un Etat de l'Art / State of the Art in Audio Indexing: Annales des Telecommunications—Annals of Telecommunications, Presses Polytechniques et Universitaires Romandes, Lausanne, CH, vol. 55, No. 9/10, Sep. 2000, pp. 507-525.

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