| 摘要 |
PROBLEM TO BE SOLVED: To provide a conversation structure estimation method with which structure of conversation can be automatically estimated by measuring behaviors of participants in the conversation for a scene in which a plurality of persons have conversation by meeting. SOLUTION: The directions of heads of each person who participates in the conversation are measured and the directions of visual lines of each person are calculated based on the directions of heads of each person. In addition, presence of utterance of each person is detected. Then, structural information of the conversation at each point of time in the conversation is calculated based on the directions of visual lines and information about the presence of utterance of each person. COPYRIGHT: (C)2007,JPO&INPIT
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