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    • 5. 发明申请
    • DETECTION DEVICE, INPUT DEVICE, PROJECTOR, AND ELECTRONIC APPARATUS
    • 检测装置,输入装置,投影仪和电子装置
    • US20130314380A1
    • 2013-11-28
    • US13984578
    • 2012-03-14
    • Hidenori Kuribayashi
    • Hidenori Kuribayashi
    • G06F3/03G06F3/042
    • G06F3/0325G06F3/0425G06F3/0426
    • A detection device (10) includes an imaging unit (15) which images a wavelength region of infrared light, an irradiation unit (11) which irradiates first infrared light for detecting the tip part of an indication part on a detection target surface and second infrared light to be irradiated onto a region farther away from the detection target surface than the first infrared light, and a detection unit (19) which detects an orientation of the indication part on the basis of an image imaged by the imaging unit (15) by irradiating the first infrared light and the second infrared light, and detects a position of the tip part on the detection target surface on the basis of an image region of the tip part extracted on the basis of an image imaged by irradiating the first infrared light and the detected orientation of the indication part.
    • 检测装置(10)包括对红外线的波长区域进行成像的摄像部(15),对检测对象面上的指示部的前端部进行检测的第一红外线照射的照射部(11) 照射到比第一红外光更远离检测对象面的区域的光;以及检测单元(19),其基于由成像单元(15)成像的图像,根据由摄像单元(15)成像的图像来检测指示部的取向 照射第一红外光和第二红外光,并且基于基于通过照射第一红外光而成像的图像提取的尖端部分的图像区域来检测尖端部分在检测目标表面上的位置,以及 检测到指示部的方向。