KR100920267B1 - 음성 대화 분석 시스템 및 그 방법 - Google Patents
음성 대화 분석 시스템 및 그 방법 Download PDFInfo
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- KR100920267B1 KR100920267B1 KR1020070094047A KR20070094047A KR100920267B1 KR 100920267 B1 KR100920267 B1 KR 100920267B1 KR 1020070094047 A KR1020070094047 A KR 1020070094047A KR 20070094047 A KR20070094047 A KR 20070094047A KR 100920267 B1 KR100920267 B1 KR 100920267B1
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- PWPJGUXAGUPAHP-UHFFFAOYSA-N lufenuron Chemical compound C1=C(Cl)C(OC(F)(F)C(C(F)(F)F)F)=CC(Cl)=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F PWPJGUXAGUPAHP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/08—Speech classification or search
- G10L15/18—Speech classification or search using natural language modelling
- G10L15/183—Speech classification or search using natural language modelling using context dependencies, e.g. language models
- G10L15/19—Grammatical context, e.g. disambiguation of the recognition hypotheses based on word sequence rules
- G10L15/193—Formal grammars, e.g. finite state automata, context free grammars or word networks
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/26—Speech to text systems
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Abstract
Description
계층1 | 계층2 | 계층3 |
1. s(기호):21 | ||
2. f(외국어) | ||
3. n(명사) | 3.1 nc(자립명사) :0 | |
3.2 nb(의존명사) :2 | ||
4. np(대명사):1 | ||
5. nn(수사):3 | ||
6. pv(동사):4 | ||
7. pa(형용사):6 | ||
8. px(보조용언):22 | ||
9. co(지정사):13 | ||
10. ma(부사) | 10.1 mag(일반부사):8 | |
10.2 maj(접속부사):27 | ||
11. mm(관형사):23 | ||
12. ii(감탄사):11 | ||
13. x(접사) | 13.1 xp(접두사):16 | |
13.2 xs(접미사) | 13.2.1 xsn(명사 파생 접미사):20,17 | |
13.2.2 xsv(동사 파생 접미사):18 | ||
13.2.3 xsm(형용사 파생 접미사):19 | ||
14. j(조사) | 14.1 jc(격조사):12 | |
14.2 jx(보조사):28 | ||
14.3 jj(접속조사):25 | ||
14.4 jm(속격조사):26 | ||
15. ep(선어말어미):15 | ||
16. e(어말어미) | 16.1 ef(종결어미):14 | |
16.2 ec(연결어미):24 | ||
16.3 et(전성어미) | 16.3.1etn(명사형어미):30 | |
16.3.2etm(관형형어미):29 | ||
17. uk(미등록어):31 | ||
18. nk(사용자사전등록명사):32 | ||
19. nr(고유명사):33 |
상속 FLAG(CUR, PRE, DEF) | SLOT 이름 | SLOT 값 |
CUR | TIME | 지금 |
CUR | CHANNEL | MBC |
상속 FLAG(CUR, PRE, DEF) | SLOT 이름 | SLOT 값 |
CUR | DATE | 오늘 |
CUR | TIME | 저녁 |
CUR | GENRE | 공포영화 |
상속 FLAG(CUR, PRE, DEF) | SLOT 이름 | SLOT 값 |
CUR | TIME | 지금 |
CUR | CHANNEL | MBC |
상속 FLAG(CUR, PRE, DEF) | SLOT 이름 | SLOT 값 |
PRE | TIME | 지금 |
CUR | CHANNEL | SBS |
상속 FLAG(CUR, PRE, DEF) | SLOT 이름 | SLOT 값 |
CUR | TIME | 지금 |
CUR | CHANNEL | MBC |
상속 FLAG(CUR, PRE, DEF) | SLOT 이름 | SLOT 값 |
CUR | PROGRAM | 무한도전 |
Claims (12)
- 언어 분석, 대용어 복원, 및 생략어 복원에 필요한 데이터를 제공하기 위한 저장부;사용자가 발화한 음성신호를 입력받는 사용자 입력부;상기 음성신호를 입력받아 분석하여 상기 음성신호와 동일한 내용의 문자열로 변환하여 출력하는 음성 인식부;상기 음성 인식부에서 출력되는 데이터에 대해 형태소 분석, 화행분석, 및 개념열 인식 중 하나 이상을 수행하는 언어 분석부;상기 언어 분석부에서 출력되는 데이터를 입력받아 이전 문맥을 참조해서 대용어를 인식하고 복원하는 대용어 복원부;상기 대용어 복원부에서 출력되는 데이터를 입력받아 이전 문맥의 상속 여부를 판단하여 생략어를 복원하는 생략어 복원부; 및상기 생략어 복원부로부터 출력되는 데이터를 참조하여 사용자 발화의 의도를 파악하고, 그에 해당하는 대응을 수행하는 대화 관리부를 포함하는 것을 특징으로 하는 음성 대화 분석 시스템.
- 제 1항에 있어서,상기 대용어 복원부는,이전 문맥에 나왔던 특정 선행자를 지시하는 지시어를 인식하는 대용표현어구 인식단; 및상기 지시어를 상기 저장부에 저장된 선행자 스택정보를 이용하여 해당하는 선행자로 복원하는 대용어 복원단을 포함하는 것을 특징으로 하는 음성 대화 분석 시스템.
- 제 2항에 있어서,상기 대용표현어구 인식단은 CRF(Conditional random fields)모델을 이용하여 상기 지시어를 인식하는 것을 특징으로 하는 음성 대화 분석 시스템.
- 제 3항에 있어서,상기 CRF모델에서 사용되는 정보는, 현재 발화에 나온 형태소 어휘와 품사 정보, 대용어 사전 정보, 및 이전 화행 정보 중 적어도 하나 이상인 것을 특징으로 하는 음성 대화 분석 시스템.
- 제 2항에 있어서,상기 대용어 복원단은 상기 지시어가 대명사인 경우에는 상기 저장부에 저장된 선행자 스택정보 중에서 최상위 정보를 복원하는 것을 특징으로 하는 음성 대화 분석 시스템.
- 제 2항에 있어서,상기 대용어 복원단은 상기 지시어가 대명사가 아닌 경우에는 제약정보를 만족시키는 선행자 스택정보 가운데 가장 최근에 나왔던 정보를 복원하는 것을 특징으로 하는 음성 대화 분석 시스템
- 제 1항에 있어서,상기 생략어 복원부는,이전 문맥 전체 내용의 상속 여부를 결정하는 담화구조 분석단;상기 담화구조 분석단을 통해 상속된 문맥 전체 내용 중에 대화 진행에 문제를 일으킬 수 있는 슬롯정보들을 제거하는 슬롯 제거단; 및대화 제어에 필요한 슬롯 정보가 누락되지 않았는지 판단하여 대화 제어에 필요한 슬롯정보를 새롭게 생성하는 필수정보 생성단을 포함하는 것을 특징으로 하는 음성 대화 분석 시스템.
- 제 7항에 있어서,상기 담화구조 분석단은 ME(Maximum Entropy)모델을 이용해서 통계적으로 CLR, notCLR, ALL의 3가지 태그 중 한 개로 이전 문맥의 상속 여부를 결정하는 것을 특징으로 하는 음성 대화 분석 시스템.
- 제 8항에 있어서,상기 ME모델에서 사용되는 정보는, 현재 발화에 나온 형태소 정보, 현재 발 화에 나온 개념열 정보, 현재 발화에 나온 대용어 정보, 현재 발화에 나온 화행 정보, 및 이전 발화의 화행 정보 중 적어도 하나 이상인 것을 특징으로 하는 음성 대화 분석 시스템.
- 사용자가 발화한 음성신호를 입력받는 음성입력단계;상기 음성신호를 입력받아, 이를 분석하여 상기 음성신호와 동일한 내용의 문자열로 변환하는 음성변환단계;변환된 상기 문자열에 대해 형태소 분석, 화행 분석, 및 개념열 인식 중 하나 이상을 수행하는 언어분석단계;형태소 분석, 화행 분석 및 개념열 인식 중 하나 이상이 수행된 상기 문자열을 입력받아, 대용어를 인식하고 복원하는 대용어복원단계;상기 언어분석단계와 상기 대용어복원단계의 결과를 이용해서 문맥 상속여부를 판단하여 생략어를 복원하는 생략어복원단계;대용어 복원 및 생략어 복원이 이루어진 프레임 정보를 참조하여, 사용자 발화의 의도를 파악하여 그에 해당하는 대응을 수행하는 대화관리단계를 포함하는 것을 특징으로 하는 음성 대화 분석 방법.
- 제 10항에 있어서,상기 대용어복원단계는,이전문맥에 나왔던 특정 선행자를 지시하는 지시어를 인식하는 단계; 및상기 지시어를 저장된 스택정보를 이용하여 해당하는 선행자로 복원하는 단계를 포함하는 것을 특징으로 하는 음성 대화 분석 방법.
- 제 10항에 있어서,상기 생략어 복원단계는,이전 문맥 전체 내용의 상속 여부를 결정하는 단계;상속된 문맥 전체 내용 중에 대화 진행에 문제를 일으킬 수 있는 슬롯 정보들을 제거하는 단계; 및대화 제어에 필요한 슬롯 정보가 누락되지 않았는지 판단하여 대화 제어에 필요한 슬롯 정보를 새롭게 생성하는 단계를 포함하는 것을 특징으로 하는 음성 대화 분석 방법.
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