Funaki Keiichi

Profile Information

Affiliation: Lecturer, IT Center, University of the Ryukyus

Degree: Doctor of Engineering(Mar, 1999, Hokkaido University)
工学修士(Mar, 1988, 北海道大学)

J-GLOBAL ID: 201001091734464427
researchmap Member ID: 6000024694

Research Interests

Research Areas

Informatics / Intelligent informatics /

Research History

Apr, 2021

IT Center, University of the Ryukyus
Apr, 1999 - Mar, 2021

Computing ＆Networking Center, University of the Ryukyus
Apr, 1988 - Mar, 1996

NEC Corporation

Education

Apr, 1996 - Mar, 1999

電子情報工学専攻（工学博士）, 工学研究科, 北海道大学博士後期課程
Apr, 1986 - Mar, 1988

電子工学専攻, 工学研究科, 北海道大学修士課程
Apr, 1982 - Mar, 1986

Department of Electronics Engineering, School of Engineering, Hokkaido University

Committee Memberships

Jun, 2022 - Jul, 2022

TPC, SISA2022
Mar, 2022 - Jul, 2022

SM Smart Multimedia & Communication Systems TPC, IEICE
Apr, 2022 - Apr, 2022

Reviewer, Inerspeech2022
Nov, 2021 - Jan, 2022

Reviewer, IEEE ICASSP2022
Jun, 2021 - Jul, 2021

編集委員会（TPC)編集委員, 国際会議SISA2021
Apr, 2021

Reviewer, Interspeech 2021
Apr, 2021

評議員, 日本音響学会九州支部
Apr, 2021

電子情報通信学会SIS研究専門委員会
Dec, 2020

Reviewer, IEEE ICASSP2021
Nov, 2020

Reviewer, IEEE ISCAS2021
2019

Reviewer(査読員）, 国際学会Interspeech2019
2019

Reviewer(査読員), 国際学会IEEE ISCAS-2020
2016 - 2018

評議員, 日本音響学会九州支部
2018

Reviewer(査読員）, 国際学会Interspeech2018
2018

TPC(編集委員), ISPACS-2018
2018

座長, IEICE SIPシンポジウム（東京電機大）
2017

Reviewer(査読員）, IEEE Access
2017

実行委員, 電気関係学会九州支部連合大会
2016

座長, APSIPA-2016
2013

TPC(編集委員), IEICE SISA-2013

Papers

Improved $F_{0}$ Estimation based on $\ell_{2}$-norm Regularized TV-CAR Analysis using Bone-Conducted filter with an Adaptive Pre-Emphasis.

Keiichi Funaki

ISPACS, 1-4, 2022
APSIPA ASC 2021

On an Improved, Estimation Based o, Norm Regularized, TV-CAR Speech Analysis

932-938, Dec, 2021 Peer-reviewedLead author
IECON 2021

Keiichi Funaki

On an improved F0 estimation based on ℓ2-norm regularized TV-CAR speech analysis using pre-filter, Oct, 2021 Peer-reviewedLead author
On an Improved F0 Estimation Based on ℓ2-Norm Regularized TV-CAR Speech Analysis.

Keiichi Funaki

Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 932-938, 2021
ISCSLP2021

Keiichi Funaki

On Adaptive LASSO-based Sparse Time-Varying Complex AR Speech Analysis, Jan, 2021 Peer-reviewedLead author
APSIPA2020

Keiichi Funaki

TV-CAR SPEECH ANALYSIS BASED ON THE L2-NORM REGULARIZATION IN THE TIME-DOMAIN AND FREQUENCY DOMAIN, Dec, 2020 Peer-reviewedLead author
Sparse Time-Varying Complex AR(TV-CAR) speech analysis based on Adaptive LASSO

Funaki Keiichi

IEICE, Trans. on Fundamentals, E102-A(12), Dec, 2019 Peer-reviewed
TV-CAR speech analysis based on Regularized LP.

Keiichi Funaki

27th European Signal Processing Conference, EUSIPCO 2019, A Coruña, Spain, September 2-6, 2019, 1-5, 2019 Peer-reviewed
F0 Estimation of Speech Using L1-Norm Sparse LP

Funaki Keiichi

Proc.ISPACS-2018, Nov, 2018 Peer-reviewed
F-0 estimation of speech based on IRAPT using WLP-based TV-CAR analysis

Wei Shan, Keiichi Funaki

2016 10TH INTERNATIONAL SYMPOSIUM ON CHINESE SPOKEN LANGUAGE PROCESSING (ISCSLP), 1-4, 2016 Peer-reviewed
Improved ETSI Advanced Front-End for ASR Based on Robust Complex Speech Analysis

Keita Higa, Keiichi Funaki

2016 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA), 1-4, 2016 Peer-reviewed
Robust ASR Based on ETSI Advanced Front-End Using Complex Speech Analysis

Keita Higa, Keiichi Funaki

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E98A(11) 2211-2219, Nov, 2015 Peer-reviewed
On a robust ASR based on robust complex speech analysis

Keita Higa, Keiichi Funaki

2015 INTERNATIONAL SYMPOSIUM ON INTELLIGENT SIGNAL PROCESSING AND COMMUNICATION SYSTEMS (ISPACS), 129-133, 2015 Peer-reviewed
On a robust ASR based on complex AR speech analysis

Keita Higa, Keiichi Funaki

2015 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA), 1232-1235, 2015 Peer-reviewed
Evaluation of F-0 estimation using ZFR based on time-varying speech analysis

Keiichi Funaki, Takehito Higa

2012 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS 2012), 3238-3241, 2012 Peer-reviewed
F-0 ESTIMATION USING SRH BASED ON TV-CAR SPEECH ANALYSIS

Keiichi Funaki, Takehito Higa

2012 PROCEEDINGS OF THE 20TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO), 2777-2781, 2012 Peer-reviewed
F(0) Contour Estimation using ELS-based Robust Time-Varying Complex Speech Analysis

Keiichi Funaki

2011 IEEE DIGITAL SIGNAL PROCESSING WORKSHOP AND IEEE SIGNAL PROCESSING EDUCATION WORKSHOP (DSP/SPE), 313-316, 2011 Peer-reviewed
On Evaluation of the F-0 estimation based on time-varying complex speech analysis

Keiichi Funaki

11TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2010 (INTERSPEECH 2010), VOLS 1-2, 637-640, 2010 Peer-reviewed
Robust F0 estimation using ELS-based robust complex speech analysis

Keiichi Funaki, Tatsuhiko Kinjo

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E91A(3) 868-871, Mar, 2008 Peer-reviewed
F0 estimation based on robust ELS complex speech analysis.

Keiichi Funaki

2008 16th European Signal Processing Conference, EUSIPCO 2008, Lausanne, Switzerland, August 25-29, 2008, 1-5, 2008 Peer-reviewed

Misc.

適応的プリエンファシスによる前処理を加えた音声の F0 推定に関する一検討

舟木慶一

2022年日本音響学会春季研究発表会, Mar, 2022 Lead author
$\ell_2$ノルム正則化TV-CAR分析を用いた音声の$F_0$推定の一改良

舟木慶一

電子情報通信学会信号処理シンポジウム, Nov, 2021 Lead author
正則化 TV-CAR 分析を用いた音声の F0 推定に関する一検討

舟木慶一

2021年日本音響学会秋季研究発表会, Sep, 2021 Lead author
l2ノルム正則化TV-CAR分析を用いた音声のF0推定

舟木慶一

音学シンポジウム2021, Jun, 2021 Lead author
正則化線形予測に基づく時変複素音声分析とその評価

舟木慶一

2020年日本音響学会春季研究発表会, Mar, 2020 Lead author
ℓ2ノルム正則化に基づく時変複素音声分析

舟木慶一

第21回音声言語シンポジウム, Dec, 2019 Lead author
時間正則化線形予測に基づく時変複素音声分析

舟木慶一

第34回SIPシンポジウム, Nov, 2019
F<sub>0</sub> estimation using TV‐CAR speech analysis based on Regularized LP

舟木慶一

電子情報通信学会技術研究報告, 118(495(EA2018 99-159)) 311‐316, Mar 7, 2019
正則化線形予測に基づく時変複素音声分析に関する一検討

舟木慶一

日本音響学会研究発表会講演論文集(CD-ROM), 2019 ROMBUNNO.2‐P‐44, Feb 19, 2019
適応型LASSO推定に基づくスパース時変複素分析を用いた音声のF₀推定

舟木慶一

日本音響学会研究発表会講演論文集(CD-ROM), 2018 ROMBUNNO.2‐Q‐19, Aug 29, 2018
LASSOに基づくスパース時変複素分析に基づく音声のF0推定

舟木慶一, 五江渕宗倫

日本音響学会研究発表会講演論文集(CD-ROM), 2018 ROMBUNNO.1‐Q‐42, Feb 27, 2018
L₁正則化に基づくスパース時変複素分析とその複素残差を用いた音声の基本周波数推定

舟木慶一

信号処理シンポジウム講演論文集(CD-ROM), 33rd ROMBUNNO.P‐3, 2018
スパース時変複素音声分析に関する検討

舟木慶一, 五江渕宗倫, 土谷真一

日本音響学会研究発表会講演論文集(CD-ROM), 2017 ROMBUNNO.1‐R‐40, Sep 11, 2017
スパースLPC分析に基づく音声のF₀推定に関する一検討

舟木慶一, SHAN Wei

日本音響学会研究発表会講演論文集(CD-ROM), 2017 ROMBUNNO.2‐P‐44, Mar 1, 2017
L₁正規化に基づくスパース時変複素音声分析に関する検討

舟木慶一, 五江渕宗倫

信号処理シンポジウム講演論文集(CD-ROM), 32nd ROMBUNNO.P‐25, 2017
WLP基準時変複素音声分析による瞬時周波数に基づく音声のF₀推定

WEI Shan, 舟木慶一

日本音響学会研究発表会講演論文集(CD-ROM), 2016 ROMBUNNO.3‐Q‐29, Aug 31, 2016
広帯域ロバスト複素音声分析とQMF再合成を用いたロバストASR向けフロントエンド

比嘉啓太, 舟木慶一

日本音響学会研究発表会講演論文集(CD-ROM), 2016 ROMBUNNO.3‐P‐34, Feb 24, 2016
On a Robust F-0 Estimation of Speech based on IRAPT using Robust TV-CAR Analysis

Kazushi Hotta, Keiichi Funaki

2014 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA), 2014
F-0 Estimation of Speech Using SRH Based on TV-CAR Speech Analysis

Keiichi Funaki, Takehito Higa

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E96A(11) 2187-2190, Nov, 2013
A study on Finger Print Verification based on complex Linear Prediction

YARA Tomoki, FUNAKI Keiichi

112(465) 97-102, Mar 7, 2013

Professional Memberships

Research Projects

時変複素音声分析を用いた周囲雑音に頑健な基本周波数推定とIP電話、楽音への応用

基盤研究(C), 科学研究費, Apr, 2008 - Mar, 2011

舟木慶一
ロバスト時変複素AR分析を用いたロバストHMM音声認識

基盤研究(C), 科学研究費, Apr, 2002 - Mar, 2005

舟木慶一
時変複素AR(TV-CAR)音声分析法の高度化と音声符号化・音声認識処理への適用

奨励研究(A), 科学研究費, Apr, 2000 - Mar, 2002

舟木慶一
Digital Water Marking
Speech Information Processing
Speech Signal Processing
時変分析
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Profile Information

Research Interests

Research Areas

Research History

Education

Committee Memberships

Papers

Misc.

Professional Memberships

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