CONTROL DEVICE, INPUT DEVICE, INPUT DETERMINATION METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To accurately and easily detect a timing when a touch is performed to a projection image and its position, without using a special sensor.

SOLUTION: A projection image is imaged and an indication part and its shadow are detected. A position where tip positions of detected indication part and its shadow are mutually superimposed is acquired as an input position.

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