Akitoshi Okumura

Publication Activity (10 Years)

Years Active: 1992-2023
Publications (10 Years): 8

Top Topics

Incremental Mining

Sparse Representation

Keystroke Dynamics

Face Recognition

Top Venues

J. Inf. Process.

Publications

Kai Ishikawa, Akitoshi Okumura, Dai Kusui, Noriyoshi Ichinose, Kentaro Torisawa, Kiyonori Ohtake
WISDOM-DX: An Automatic DX Assessment System Using a QA System Based on Web Data. J. Inf. Process. 31 (2023)
Akitoshi Okumura, Susumu Handa, Takamichi Hoshino, Naoki Tokunaga, Masami Kanda
Improving Face Recognition for Identity Verification by Managing Facial Directions and Eye Contact of Event Attendees. J. Inf. Process. 28 (2020)
Akitoshi Okumura, Shuji Komeiji, Motohiko Sakaguchi, Masahiro Tabuchi, Hiroaki Hattori
Identity Verification Using Face Recognition for Artificial-Intelligence Electronic Forms with Speech Interaction. HCI (29) (2019)
Akitoshi Okumura, Susumu Handa, Takamichi Hoshino, Naoki Tokunaga, Masami Kanda
Identity Verification Using Face Recognition Improved by Managing Check-in Behavior of Event Attendees. JSAI (2019)
Akitoshi Okumura, Takamichi Hoshino, Susumu Handa, Eiko Yamada, Masahiro Tabuchi
Identity Verification for Attendees of Large-scale Events Using Face Recognition of Selfies Taken with Smartphone Cameras. J. Inf. Process. 26 (2018)
Akitoshi Okumura, Takamichi Hoshino, Susumu Handa, Eiko Yamada, Masahiro Tabuchi
Identity Verification for Attendees of Large-Scale Events Using Face Recognition of Selfies Taken with Smartphone Cameras. HCI (30) (2018)
Akitoshi Okumura, Takamichi Hoshino, Susumu Handa, Yugo Nishiyama, Masahiro Tabuchi
Identity Verification of Ticket Holders at Large-scale Events Using Face Recognition. J. Inf. Process. 25 (2017)
Akitoshi Okumura, Susumu Handa, Takamichi Hoshino, Yugo Nishiyama
Identity Confirmation to Issue Tickets Using Face Recognition. HCI (26) (2016)
Makoto Terao, Takafumi Koshinaka, Shinichi Ando, Ryosuke Isotani, Akitoshi Okumura
Open-vocabulary spoken-document retrieval based on query expansion using related web documents. INTERSPEECH (2008)
Akitoshi Okumura, Takahiro Ikeda, Toshihiro Nishizawa, Shinichi Ando, Fumihiro Adachi
Multimedia Blog Creation System using Dialogue with Intelligent Robot. ACL (2007)
Seiya Osada, Kiyoshi Yamabana, Ken Hanazawa, Akitoshi Okumura
A User Interface-Level Integration Method for Multiple Automatic Speech Translation Systems. PACLIC (2006)
Shin-ya Ishikawa, Kiyoshi Yamabana, Ryosuke Isotani, Akitoshi Okumura
Parallel LVCSR Algorithm for Cellphone-Oriented Multicore Processors. ICASSP (1) (2006)
Takahiro Ikeda, Shin-ya Ishikawa, Kiyokazu Miki, Fumihiro Adachi, Ryosuke Isotani, Kenji Satoh, Akitoshi Okumura
Speech-Activated Text Retrieval System for Cellular Phones with Web Browsing Capability. PACLIC (2005)
Takafumi Koshinaka, Ken-ichi Iso, Akitoshi Okumura
An HMM-based Text Segmentation Method Using Variational Bayes Approach and Its Application to LVCSR for Broadcast News. ICASSP (1) (2005)
Shin-ya Ishikawa, Takahiro Ikeda, Kiyokazu Miki, Fumihiro Adachi, Ryosuke Isotani, Ken-ichi Iso, Akitoshi Okumura
Speech-activated text retrieval system for multimodal cellular phones. ICASSP (1) (2004)
Kiyoshi Yamabana, Ken Hanazawa, Ryosuke Isotani, Seiya Osada, Akitoshi Okumura, Takao Watanabe
A Speech Translation System with Mobile Wireless Clients. ACL (Companion) (2003)
Takahiro Ikeda, Shinichi Ando, Kenji Satoh, Akitoshi Okumura
Automatic Interpretation System Integrating Free-Style Sentence Translation and Parallel Text Based Translation. Speech-to-Speech Translation@ACL (2002)
Kai Ishikawa, Shinichi Ando, Shinichi Doi, Akitoshi Okumura
Trainable Automatic Text Summarization Using Segmentation of Sentence. NTCIR (2002)
Takayuki Nakata, Shinichi Ando, Akitoshi Okumura
Topic Detection Based on Dialogue History. COLING (2002)
Takayuki Nakata, Takahiro Ikeda, Shinichi Ando, Akitoshi Okumura
Topic Detection Based on Dialogue History. Speech-to-Speech Translation@ACL (2002)
Ryosuke Isotani, Kiyoshi Yamabana, Shinichi Ando, Ken Hanazawa, Shin-ya Ishikawa, Tadashi Emori, Ken-ichi Iso, Hiroaki Hattori, Akitoshi Okumura, Takao Watanabe
An Automatic Speech Translation System on PDAs for Travel Conversation. ICMI (2002)
Kai Ishikawa, Shinichi Ando, Akitoshi Okumura
Evaluating Automatic Text Summarization with Summary Results by the Experienced and the Inexperienced. NLPRS (2001)
Kai Ishikawa, Shinichi Ando, Akitoshi Okumura
Hybrid Text Summarization Method based on the TF Method and the Lead Method. NTCIR (2001)
Takao Watanabe, Akitoshi Okumura, Shinsuke Sakai, Kiyoshi Yamabana, Shinichi Doi, Ken Hanazawa
An automatic interpretation system for travel conversation. INTERSPEECH (2000)
Kenji Satoh, Akitoshi Okumura
Documentation Know-How Sharing by Automatic Process Tracking. IUI (1999)
Satoshi Nakazawa, Takayoshi Ochiai, Kenji Satoh, Akitoshi Okumura
Cross Language Information Retrieval Based on Comparable Corpora. NTCIR (1999)
Rila Mandala, Takenobu Tokunaga, Hozumi Tanaka, Akitoshi Okumura, Kenji Satoh
Ad Hoc Retrieval Experiments Using WordNet and Automatically Constructed Thesauri. TREC (1998)
Takahiro Ikeda, Akitoshi Okumura, Kazunori Muraki
Information Classification and Navigation Based on 5W1H of the Target Information. COLING-ACL (1998)
Takahiro Ikeda, Akitoshi Okumura, Kazunori Muraki
Adaptable Information Clipping Service Supported by Evolving User Profile and Multiple Ontologies. HCI (1) (1997)
Kai Ishikawa, Kenji Satoh, Akitoshi Okumura
Query Term Expansion based on Paragraphs of the Relevant Documents. TREC (1997)
Kenji Satoh, Susumu Akamine, Kazunori Muraki, Akitoshi Okumura
Information Retrieval Supported by Rich and Redundant Indices. HCI (2) (1997)
Kenji Satoh, Susumu Akamine, Akitoshi Okumura
Improvements on Query Term Expansion and Ranking Formula. TREC (1995)
Kenji Satoh, Akitoshi Okumura, Kiyoshi Yamabana
Information Retrieval System for TREC3. TREC (1994)
Kevin Knight, Ishwar Chander, Matthew Haines, Vasileios Hatzivassiloglou, Eduard H. Hovy, Masayo Iida, Steve K. Luk, Akitoshi Okumura, Richard Whitney, Kenji Yamada
Integrating Knowledge Bases and Statistics in MT. AMTA (1994)
Akitoshi Okumura, Kazunori Muraki
Symmetric Pattern Matching Analysis for English Coordinate Structures. ANLP (1994)
Akitoshi Okumura, Eduard H. Hovy
Building Japanese-English Dictionary based on Ontology for Machine Translation. HLT (1994)
Kevin Knight, Ishwar Chander, Matthew Haines, Vasileios Hatzivassiloglou, Eduard H. Hovy, Masayo Iida, Steve K. Luk, Akitoshi Okumura, Richard Whitney, Kenji Yamada
Integrating Knowledge Bases and Statistics in MT. CoRR (1994)
Akitoshi Okumura, Eduard H. Hovy
Lexicon-to-Ontology Concept Association Using a Bilingual Dictionary. AMTA (1994)
Kaichiro Hatazaki, Jun Noguchi, Akitoshi Okumura, Kazunaga Yoshida, Takao Watanabe
INTERTALKER: an experimental automatic interpretation system using conceptual representation. ICSLP (1992)