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Camera Based Presentation Support System for Multiscreen Venue Using Laser Pointer

During a presentation, a presenter usually uses a laser pointer to point to a particular location on a screen. However, in a multiscreen venue displaying presentation slides, the presenter points to only one screen, and the pointed spot is not reflected to other screens that audiences looking at. We propose a simple method that reflects a highlighting operation with a laser pointer to other screens without specific devices. It is expected that all audiences can understand the presentation even in a large venue.