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  1. システム情報系 (Faculty of Engineering, Information and Systems)
  2. 飯尾 尊優 (Iio Takamasa)
  1. コンテンツタイプ (Contents Type)
  2. 雑誌発表論文等 (Journal article, etc.)
  3. A~
  4. Applied Sciences

Twin-Robot Dialogue System with Robustness against Speech Recognition Failure in Human-Robot Dialogue with Elderly People

http://hdl.handle.net/2241/00160185
58d533e3-e8eb-4d33-8a40-1b9503761cec
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名前 / ファイル ライセンス Actions
AS_10-4.pdf AS_10-4 (2.2 MB)
license.icon
item type Journal Article(1)
公開日 2020-06-23
タイトル
言語 en
タイトル Twin-Robot Dialogue System with Robustness against Speech Recognition Failure in Human-Robot Dialogue with Elderly People
言語
言語 eng
資源タイプ
タイプ journal article
著者 飯尾, 尊優

× 飯尾, 尊優

WEKO 203916
e-Rad 70642958
筑波大学研究者総覧 0000004092

飯尾, 尊優

ja-Kana イイオ, タカマサ

en IIO, Takamasa

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Yoshikawa, Yuichiro

× Yoshikawa, Yuichiro

WEKO 219799

en Yoshikawa, Yuichiro

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Chiba, Mariko

× Chiba, Mariko

WEKO 219800

en Chiba, Mariko

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Asami, Taichi

× Asami, Taichi

WEKO 219801

en Asami, Taichi

Search repository
Isoda, Yoshinori

× Isoda, Yoshinori

WEKO 219802

en Isoda, Yoshinori

Search repository
Ishiguro, Hiroshi

× Ishiguro, Hiroshi

WEKO 219803

en Ishiguro, Hiroshi

Search repository
抄録
内容記述 As agents, social robots are expected to increase opportunities for dialogue with the elderly. However, it is difficult to sustain a dialogue with an elderly user because speech recognition frequently fails during the dialogue. Here, to overcome this problem, regardless of speech recognition failure, we developed a question–answer–response dialogue model. In this model, a robot took initiative in the dialogue by asking the user various questions. Moreover, to improve user experience during dialogue, we extended the model such that two robots could participate in the dialogue. Implementing these features, we conducted a field trial in a nursing home to evaluate the twin-robot dialogue system. The average word error rate of speech recognition was 0.778. Despite the frequently high number of errors, participants talked for 14 min in a dialogue with two robots and felt slightly strange during the dialogue. Although we found no significant difference between a dialogue with one robot and that with two robots, the effect size of the difference in the dialogue time with one robot and that with two robots was medium (Cohen’s d = −0.519). The results suggested that the presence of two robots might likely encourage elderly people to sustain the talk. Our results will contribute to the design of social robots to engage in dialogues with the elderly.
書誌情報 en : Applied Sciences

巻 10, 号 4, p. 1522, 発行日 2020-02
ISSN
収録物識別子 2076-3417
DOI
関連識別子
関連識別子 10.3390/app10041522
権利
権利情報 © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
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