| 摘要 |
<p>PROBLEM TO BE SOLVED: To determine erroneous detection of an object instructed by an input operation of a user for a plurality of objects included in an operation image that is projected and displayed.SOLUTION: An input device 10 projects and displays an operation image 101 including a plurality of objects 102 on a projection screen 100, the objects to be subjected to an input operation by a user using an instruction article F, and the device includes: a detection unit 19 for detecting reflected light by the instruction article F in a detection range h with a given height from the projection screen 100; and an error determination unit 14d which, responding to such a detection that a first object and a second object adjoining with a given space the first object are sequentially detected as interposing detection of a region corresponding to the space by the detection unit 19, determines the detection of the second object as an error.</p> |
