MX9702521A - Metodo y aparato para un sistema de recocimiento de lenguaje mejorado. - Google Patents

Metodo y aparato para un sistema de recocimiento de lenguaje mejorado.

Info

Publication number
MX9702521A
MX9702521A MX9702521A MX9702521A MX9702521A MX 9702521 A MX9702521 A MX 9702521A MX 9702521 A MX9702521 A MX 9702521A MX 9702521 A MX9702521 A MX 9702521A MX 9702521 A MX9702521 A MX 9702521A
Authority
MX
Mexico
Prior art keywords
language
word
model
machines
language recognition
Prior art date
Application number
MX9702521A
Other languages
English (en)
Other versions
MXPA97002521A (es
Inventor
Hiyan Alshawi
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of MX9702521A publication Critical patent/MX9702521A/es
Publication of MXPA97002521A publication Critical patent/MXPA97002521A/es

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/08Speech classification or search
    • G10L15/18Speech classification or search using natural language modelling
    • G10L15/183Speech classification or search using natural language modelling using context dependencies, e.g. language models
    • G10L15/19Grammatical context, e.g. disambiguation of the recognition hypotheses based on word sequence rules
    • G10L15/193Formal grammars, e.g. finite state automata, context free grammars or word networks
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/08Speech classification or search
    • G10L15/18Speech classification or search using natural language modelling
    • G10L15/1815Semantic context, e.g. disambiguation of the recognition hypotheses based on word meaning
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00Speech recognition
    • G10L15/08Speech classification or search
    • G10L15/18Speech classification or search using natural language modelling
    • G10L15/183Speech classification or search using natural language modelling using context dependencies, e.g. language models
    • G10L15/19Grammatical context, e.g. disambiguation of the recognition hypotheses based on word sequence rules
    • G10L15/197Probabilistic grammars, e.g. word n-grams

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Machine Translation (AREA)
  • Character Discrimination (AREA)

Abstract

La presente invencion se refiere a métodos y aparatos para un modelo de lenguaje y sistemas de reconocimiento de lenguaje. El método utiliza una pluralidad de máquinas de estado finito probabilísticas, que tienen la capacidad por reconocer un par de secuencias, una secuencia se explora hacia la izquierda, la otra se explora hacia la derecha. Cada palabra en el léxico del modelo de lenguaje se asocia con una o más de estas máquinas, que modelan las relaciones semánticas entre la palabra y otras palabras. Transiciones de máquina crean fases a partir de un conjunto de hipotesis de sartas de palabras y calculan de manera incremental los costos referentes a la probabilidad que estas frases representan el lenguaje a reconocer. Las máquinas de cabecera de léxico en cascada utilizadas en los métodos y aparatos, capturan las asociaciones estructurales implícitas en la organizacion jerárquica de un a frase, resultando en un modelo de lenguaje y sistemas de reconocimiento de lenguaje que combinan la sensibilidad de léxico de modelos N-Gram, con las propiedades estructurales de la gramática de dependencia.
MXPA/A/1997/002521A 1996-04-10 1997-04-07 Metodo y aparato para un sistema de reconocimientode lenguaje mejorado MXPA97002521A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/631,874 US5870706A (en) 1996-04-10 1996-04-10 Method and apparatus for an improved language recognition system
US08631874 1996-04-10

Publications (2)

Publication Number Publication Date
MX9702521A true MX9702521A (es) 1997-10-31
MXPA97002521A MXPA97002521A (es) 1998-07-03

Family

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Also Published As

Publication number Publication date
CA2198306C (en) 2001-05-01
EP0801378B1 (en) 2002-12-18
DE69717899T2 (de) 2003-08-21
EP0801378A2 (en) 1997-10-15
US5870706A (en) 1999-02-09
DE69717899D1 (de) 2003-01-30
EP0801378A3 (en) 1998-09-30
CA2198306A1 (en) 1997-10-11

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