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    • 6. 发明申请
    • PROJECTION DISPLAY APPARATUS AND IMAGE ADJUSTMENT METHOD
    • 投影显示设备和图像调整方法
    • US20110025988A1
    • 2011-02-03
    • US12847914
    • 2010-07-30
    • Masahiro HARAGUCHIMasutaka INOUEYoshinao HIRANUMATomoya TERAUCHISusumu TANASETakaaki ABE
    • Masahiro HARAGUCHIMasutaka INOUEYoshinao HIRANUMATomoya TERAUCHISusumu TANASETakaaki ABE
    • G03B21/14G03B3/00
    • H04N9/3194H04N9/3185
    • A projection display apparatus includes; an element control unit configured to control a light valve so as to display a test pattern image configuring at least one portion of a respective one of three or more line segments configuring three or more crossing points; an acquisition unit configured to acquire a pickup image of the test pattern image outputted along a predetermined line from an image pickup element configured to pick up the test pattern image projected on a projection plane; a computation unit configured to specify three or more crossing points from three or more line segments included in the pickup image, based upon the pickup image acquired by the acquisition unit, and to compute a positional relationship between the projection image apparatus and the projection plane, based upon the three or more crossing points; and an adjustment unit configured to adjust an image projected on the projection plane, based upon the positional relationship between the projection display apparatus and the projection plane. The three or more line segments have an inclination relative to the predetermined line.
    • 投影显示装置包括: 元件控制单元,被配置为控制光阀,以便显示构成三个或更多个交叉点的三个或更多个线段中的相应一个的至少一部分的测试图案图像; 获取单元,被配置为从被配置为拾取投影在投影平面上的测试图案图像的图像拾取元件获取沿着预定线输出的测试图案图像的拾取图像; 计算单元,其被配置为基于由所述获取单元获取的拾取图像来指定包括在所述拾取图像中的三个或更多个线段的三个或更多个交叉点,并且计算所述投影图像设备和所述投影平面之间的位置关系, 基于三个以上的交叉点; 以及调整单元,被配置为基于投影显示装置和投影平面之间的位置关系来调整投影在投影平面上的图像。 三个或更多个线段相对于预定线具有倾斜度。
    • 10. 发明申请
    • PROJECTION DISPLAY APPARATUS
    • 投影显示设备
    • US20120013634A1
    • 2012-01-19
    • US13183926
    • 2011-07-15
    • Masahiro HARAGUCHIMasutaka INOUEYoshinao HIRANUMATomoya TERAUCHISusumu TANASE
    • Masahiro HARAGUCHIMasutaka INOUEYoshinao HIRANUMATomoya TERAUCHISusumu TANASE
    • G09G5/02G09G5/00
    • 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。