Interactive projector, interactive projection system, and interactive projector control method
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United States of America Patent
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Apr 30, 2019
Grant Date -
Mar 15, 2018
app pub date -
Mar 18, 2016
filing date -
Mar 27, 2015
priority date (Note) -
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Abstract
An interactive projector includes a projection unit that projects the projected screen on a screen surface, a plurality of cameras that include a first camera and a second camera capturing an image of an area of the projected screen, a position detection unit that detects a three-dimensional position of the pointing element with respect to the projected screen based on a plurality of images including the pointing element of which the image is captured by the plurality of cameras, and a contact detection unit that detects contact with the projected screen of a pointing element, and the contact detection unit detects contact of the self-light emitting pointing element with the projected screen based on the light emitting pattern and detects contact of the non-light-emitting pointing element with the projected screen based on the three-dimensional position detected by the position detection unit.
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