| 摘要 |
An information input system includes a projector capable of projecting an operation screen image for making an input operation of information to a computer, and an image pickup device capable of sending picked-up image data acquired by picking up the operation screen image to the computer, wherein, as a predetermined position on the operation screen image is designated with a designating unit as the input operation, the designated position is detected as an input operation position on the basis of the picked-up image data, and a pointer is displayed at the detected input operation position by the projector. The information input system further includes a standstill period determining unit that finds a time period during which the designating unit holds a standstill state at the input operation position as a standstill period, and determines whether the found standstill period has reached a predetermined time period or not, and an input operation information generating unit that generates input operation information indicating that an input operation at the input operation position has been executed if it is determined that the standstill period has reached the predetermined time period.
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