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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
名前 / ファイル | ライセンス | Actions | |
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item type | Journal Article(1) | |||||
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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× Yoshikawa, Yuichiro× Chiba, Mariko× Asami, Taichi× Isoda, Yoshinori× Ishiguro, Hiroshi |
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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 |
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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/). | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | MDPI |