Automatic Camera Control System for a Distant Lecture based on Estimation of Teacher's Behavior

A. Shimada, A. Suganuma, and R. Taniguchi (Japan)


Distant lecture, Image processing, Estimation of teacher'sbehavior, Extraction of explained area, Camera controlstrategy


We are developing an Automatic Camera control system for Education: ACE, which captures a lecture using both a blackboard and a screen. ACE focuses on an oblect ex plained by a teacher. When this recording strategy is real ized, it is necessary for ACE to extract a teacher's behavior and his/her explaining object. In this paper, we describe our algorithm to estimate a teacher's behavior by image processing and the camera control strategy to take suitable shots. We have applied ACE to recording a real lecture to validate it.

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