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    • 8. 发明授权
    • Projection display apparatus
    • 投影显示装置
    • US08884979B2
    • 2014-11-11
    • US13183926
    • 2011-07-15
    • Masahiro HaraguchiMasutaka InoueYoshinao HiranumaTomoya TerauchiSusumu Tanase
    • Masahiro HaraguchiMasutaka InoueYoshinao HiranumaTomoya TerauchiSusumu Tanase
    • G09G5/02G03B43/00H04N9/31G03B17/54
    • H04N9/3194G03B17/54G03B43/00G09G2320/0693H04N9/3185
    • A projection display apparatus includes an imager that modulates light emitted from a light source and a projection unit that projects light emitted from the imager on a projection surface. The projection display apparatus includes: an imager controller that controls the imager to display a test pattern image in which a characteristic point is defined by at least three adjacent regions; an acquisition unit that acquires a captured image of the test pattern image from an imaging element configured to capture the test pattern image projected on the projection surface; and an adjustment unit that identifies the characteristic point included in the captured image on the basis of the captured image acquired by the acquisition unit and adjusts an image to be projected on the projection surface on the basis of the identified characteristic point. The at least three adjacent regions surround the characteristic point and are adjacent to the characteristic point.
    • 投影显示装置包括调制从光源发射的光的成像器和将从成像器发射的光投射在投影表面上的投影单元。 投影显示装置包括:成像器控制器,其控制成像器显示其特征点由至少三个相邻区域限定的测试图案图像; 获取单元,其从被配置为捕获投影在投影表面上的测试图案图像的成像元件获取测试图案图像的拍摄图像; 以及调整单元,其基于由获取单元获取的拍摄图像来识别捕获图像中包括的特征点,并且基于所识别的特征点来调整要投影在投影面上的图像。 至少三个相邻区域围绕特征点并与特征点相邻。