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Modeling the Multi-modal Behaviors of a Virtual Instructor in Tutoring Ballroom Dance

机译：在辅导舞厅舞蹈中建模虚拟教练的多模态行为

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In learning sophisticated physical skills such as sport, gymnastics, or dance, it requires the learner to practice repeatedly for long period. Embodied conversational agents (ECAs) are thus suitable candidates for such tasks. The agent (virtual instructor) can be available at anytime and suffers much less constraints in the location where to set up. The learner can thus practice the tasks for unlimited times at their favorite place at their favorite time. If the knowledge and the interaction scenario of the agent are well designed, the lessons at acceptable level can be guaranteed constantly. Unlike human instructors, they never feel tired caused by long-time service and never loose patience on awkward learners. They also do not need to mind requesting the instructor to repeat the exemplary motion and never feel embarrassed to practice when they are still unskillful. On the other hand, ballroom dance is becoming a world-wide popular sport. The motion of ballroom dance involve the whole body of the dancers, head, torso, arm, and legs have to move simultaneously and synchronized with each other and music. Ballroom dance motion are so sophisticated and require man-to-man instruction and massive repeated practice for long time. This characteristics of ballroom dance make it an appropriate candidate for research on virtual instructors. This paper presents an ongoing project aiming to develop such a virtual ballroom dance instructor. For building a believable virtual instructor, the first step is to know how a human instructor does. Therefore this project starts with a human-human tutoring experiment. The behaviors of the agent is then designed base on the analysis of the collected corpus.
机译：在学习精致的体育技能，如运动，体操或舞蹈，它需要学习者长期反复练习。因此，所体现的会话代理（ECA）是合适的候选者进行此类任务。代理（虚拟教练）可以随时可用，并且在要设置的位置中遭受的限制要小得多。因此，学习者可以在他们最喜欢的时间练习无限时间的任务。如果代理商的知识和交互方案设计得好，可以持续保证可接受水平的课程。与人类教练不同，他们从未觉得由长期服务造成的疲劳，永远不会宽松地耐心难以忍受尴尬的学习者。他们也不需要介意要求教师重复示例性运动，并且当他们仍然不熟练时，从来没有尴尬地练习。另一方面，舞厅舞正在成为全球流行的运动。舞厅舞蹈的运动涉及整个舞者，头部，躯干，臂和腿部的全身，必须同时移动并彼此同步和音乐。舞厅舞蹈运动是如此复杂，需要人对男性的指导和大规模的重复练习。舞厅舞蹈的这种特点使其成为虚拟教练研究的适当候选人。本文介绍了一个持续的项目，旨在开发这种虚拟舞厅舞蹈教练。对于建立一个可信的虚拟教练，第一步是知道人类教练如何。因此，该项目从人类辅导实验开始。然后设计了代理的行为基于收集的语料库的分析。

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