COMPUTER-READABLE RECORDING MEDIUM, COMPUTER APPARATUS, POSITIONING METHOD, AND POSITIONING SYSTEM
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United States of America Patent
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Jul 5, 2017
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Jul 8, 2016
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Abstract
A positioning program executed by a computer apparatus in a positioning system comprising: an invisible ray screen formed by invisible rays; a projection screen disposed in the vicinity of the invisible ray screen along the invisible ray screen; a projector device that projects an image onto the projection screen; a camera that detects reflected light of invisible rays by imaging the invisible ray screen; and the computer apparatus, wherein the projection screen is installed so that a part of the image projected onto the projection screen is outside angle of view of the camera, and the positioning program causes the computer apparatus to function as a locator that, in a case where a detection target object is caused to pass through the invisible ray screen, locate a passage position of the detection target object on the invisible ray screen, based on the reflected light of invisible rays detected by the camera.
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