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    • 1. 发明申请
    • PROJECTION-TYPE IMAGE DISPLAY APPARATUS
    • 投影型图像显示设备
    • US20120218294A1
    • 2012-08-30
    • US13403271
    • 2012-02-23
    • Naoyuki NIMURAFuminori MIZUNOMasutaka INOUE
    • Naoyuki NIMURAFuminori MIZUNOMasutaka INOUE
    • G09G5/32G09G5/377G03B21/26
    • H04N9/3194G03B17/54G03B21/26
    • A projection-type image display apparatus projects an image on a projection plane, and includes a projection unit, an image capture unit, an ambient light detection unit, and a superimposed image generation unit. The projection unit projects an image on the projection plane through a lens. The image capture unit captures the image projected on the projection plane by the projection unit. The ambient light detection unit detects ambient light cast on the projection plane, from the image captured by the image capture unit. The superimposed image generation unit generates information about detection of ambient light detected by the ambient light detection unit, in the form of a superimposed image to be superimposed on the image projected on the projection plane.
    • 投影型图像显示装置投影投影平面上的图像,并且包括投影单元,图像拍摄单元,环境光检测单元和叠加图像生成单元。 投影单元通过透镜投影投影平面上的图像。 图像捕获单元通过投影单元拍摄投影在投影平面上的图像。 环境光检测单元从由图像捕获单元捕获的图像检测在投影平面上的环境光投射。 叠加图像生成单元以叠加图像的形式生成关于环境光检测单元检测到的环境光的检测信息,以叠加在投影在投影平面上的图像上。
    • 2. 发明申请
    • PROJECTION TYPE IMAGE DISPLAY DEVICE
    • 投影类型图像显示设备
    • US20120218523A1
    • 2012-08-30
    • US13403705
    • 2012-02-23
    • Fuminori MIZUNONaoyuki NIMURAMasutaka INOUE
    • Fuminori MIZUNONaoyuki NIMURAMasutaka INOUE
    • G03B21/14
    • H04N9/3194G02B7/32G02B7/36G03B21/28G03B21/53H04N9/317
    • A projecting unit projects a focus adjustment pattern onto a screen. An image capturing unit captures an image of the focus adjustment pattern and obtains the image as a captured image. A captured image analyzing unit calculates contrast data serving as an evaluation value indicating a degree of achievement in focusing the captured image. Based on the calculated contrast data, a control unit adjusts focus of the projecting unit so as to bring projected image light into a focus on the projection surface. The focus adjustment pattern has a first region and a second region different from each other in brightness. The control unit adjusts configurations of the first region and the second region in the focus adjustment pattern such that at least one of resolution of brightness and contrast becomes uniform in the captured image.
    • 投影单元将焦点调整图案投影到屏幕上。 图像拍摄单元拍摄焦点调整图案的图像,并且获取图像作为拍摄图像。 拍摄图像分析单元计算用于指示聚焦拍摄图像的成就度的评价值的对比度数据。 基于计算出的对比度数据,控制单元调整投影单元的焦点,以将投影图像光聚焦在投影面上。 焦点调整图案具有在亮度上彼此不同的第一区域和第二区域。 控制单元调整焦点调节图案中的第一区域和第二区域的配置,使得在拍摄图像中亮度和对比度的分辨率中的至少一个变得均匀。