Walking partner robot chatting about scenery
Walking partner robot chatting about scenery
复制标题
行走伙伴机器人聊风景
DOI:
10.1080/01691864.2019.1610062
复制
发表时间:
2019
影响因子:
2
通讯作者:
Takayuki Kanda and Michita Imai
中科院分区:
文献类型:
--
作者:
Taichi Sono;Satoru Satake;Takayuki Kanda and Michita Imai
We believe that many future scenarios will exist where a partner robot will talk with people on walks. To improve the user experience, we aim to endow robots with the capability to select an appropriate conversation topics by allowing them to start chatting about a topic that matches the current scenery and to extend it based on the user's interest and involvement in it. We implemented a function to compute the similarities between utterances and scenery by comparing their topic vectors. First, we convert the scenery into a list of words by leveraging Google Cloud Vision library [Google Cloud Vision Api [Online]. Available from: https://cloud.google.com/vision/] . We form a topic vector space with the Latent Dirichlet Allocation method and transform a list of words into a topic vector. Our system uses this function to choose (from an utterance database) the utterance that best matches the current scenery. Then it estimates the user's level of involvement in the chat with a simple rule based on the length of their responses. If the user is actively involved in the chat topic, the robot continues the current topic using pre-defined derivative utterances. If the user's involvement sags, the robot selects a new topic based on the current scenery. The topic selection that is based on the current scenery was proposed in our previous work [Totsuka R, Satake S, Kanda T, et al. Is a robot a better walking partner if it associates utterances with visual scenes? ACM/IEEE Int. Conf. on Human–Robot Interaction (HRI2017), Aula der Wissenschaft, Vienna, Austria; 2017. p. 313–322]. Our main contribution is the whole chat system, which includes the user's involvement estimation. We implemented our system with a shoulder-mounted robot and conducted a user study to evaluate its effectiveness. Our experimental results show that users evaluated the robot with the proposed system as a better walking partner than one that randomly chose utterances.
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DOI:
--
发表时间:
2016
期刊:
--
影响因子:
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作者:
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DOI:
10.1145/1228716.1228763
发表时间:
2007
期刊:
2007 2nd ACM/IEEE International Conference on Human-Robot Interaction (HRI)
影响因子:
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The Hospital
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发表时间:
2008
期刊:
2008 3rd ACM/IEEE International Conference on Human-Robot Interaction (HRI)
影响因子:
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DOI:
10.1109/roman.2006.314390
发表时间:
2006
期刊:
ROMAN 2006 - The 15th IEEE International Symposium on Robot and Human Interactive Communication
影响因子:
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作者:
J. F. Maas;Thorsten P. Spexard;J. Fritsch;B. Wrede;G. Sagerer
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