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Title: Helping physical task learning by automatic adjustment of a virtual teacher's rotation angle
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Authors: Nawahdah, Mamoun
Issue Date: Jun-2011
Abstract: It is known that a virtual teacher-model’s position and orientation influence (a) the number of errors, and (b) the accomplishment time, in physical-task learning using mixedreality environments. This paper proposes an automatic adjustment method of the virtual teacher's rotation angle, so that the learner can observe the important body motion easily. The method divides the whole task motion into fixed duration segments, seeks the most moving part of the body in each segment, and rotates the virtual teacher to show the most important part to the learner accordingly. To test the method, a generic physical task learning experiments have been conducted. The method was revealed to be effective to the motion that gradually changes the most moving part such as manufacturing and cooking tasks.
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