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    • 1. 发明申请
    • Projection display system having selective light projecting device
    • 具有选择性光投射装置的投影显示系统
    • US20060092338A1
    • 2006-05-04
    • US11258796
    • 2005-10-26
    • Hiroshi SakaiKensuke IshiiKazuya YamanakaSusumu Kobayashi
    • Hiroshi SakaiKensuke IshiiKazuya YamanakaSusumu Kobayashi
    • H04N9/31
    • H04N9/3141H04N5/7408H04N7/0122
    • A projection display system includes a projector; a reflection screen for displaying images in a front projection system; a transmission screen for displaying images in a rear projection system; and a selective light projecting device for selectively directing the light from the projector to one of the reflection screen and the transmission screen, so as to perform switching between the front projection system and the rear projection system. The selective light projecting device may selectively change an optical path of image light from the projector between the reflection screen and the transmission screen, so as to direct the image light to one of the reflection screen and the transmission screen, or may selectively rotates a direction of a head of the projector between the reflection screen and the transmission screen, so as to emit the image light to one of the reflection screen and the transmission screen.
    • 投影显示系统包括投影仪; 用于在前投影系统中显示图像的反射屏幕; 用于在后投影系统中显示图像的传输屏幕; 以及用于选择性地将来自投影仪的光引导到反射屏幕和透射屏之一的选择性投光装​​置,以便执行前投影系统和后投影系统之间的切换。 选择性投光装​​置可以选择性地改变来自反射屏幕和透射屏幕之间的投影仪的图像光的光路,以将图像光引导到反射屏幕和透射屏幕之一,或者可以选择性地旋转方向 在反射屏幕和透射屏幕之间的投影仪的头部,以将图像光发射到反射屏幕和透射屏幕之一。
    • 2. 发明申请
    • Sensor unit and image display apparatus
    • 传感器单元和图像显示装置
    • US20070216440A1
    • 2007-09-20
    • US11804768
    • 2007-05-18
    • Kazuya YamanakaSusumu KobayashiKensuke Ishii
    • Kazuya YamanakaSusumu KobayashiKensuke Ishii
    • G01R31/00
    • G09G3/3611G09G3/002G09G3/006G09G2300/0491G09G2320/029G09G2320/041
    • A sensor unit for measuring a response characteristic of a polarization rotation liquid crystal cell, includes a measurement light source which emits measurement light, a first polarization plate which has a first polarization direction and receives the measurement light from the measurement light source to output measurement light having the first polarization direction to a polarization rotation liquid crystal cell, a second polarization plate which has a second polarization direction and receives measurement light passed through the polarization rotation liquid crystal cell, a light receiving unit which receives measurement light passed through the second polarization plate, and a measurement unit which determines a response characteristic of the polarization rotation liquid crystal cell on the basis of a drive signal of the polarization rotation liquid crystal cell and the amount of measurement light received by the light receiving unit.
    • 一种用于测量偏振旋转液晶单元的响应特性的传感器单元,包括发射测量光的测量光源,具有第一偏振方向并接收来自测量光源的测量光以输出测量光的第一偏振板 具有朝向偏振旋转液晶单元的第一偏振方向,具有第二偏振方向并且接收通过偏振旋转液晶单元的测量光的第二偏振板,受光单元,其接收穿过第二偏振板的测量光 以及测量单元,其基于偏振旋转液晶单元的驱动信号和由光接收单元接收的测量光量来确定偏振旋转液晶单元的响应特性。
    • 3. 发明授权
    • Sensor unit and image display apparatus
    • 传感器单元和图像显示装置
    • US07705986B2
    • 2010-04-27
    • US11804768
    • 2007-05-18
    • Kazuya YamanakaSusumu KobayashiKensuke Ishii
    • Kazuya YamanakaSusumu KobayashiKensuke Ishii
    • G01J4/00
    • G09G3/3611G09G3/002G09G3/006G09G2300/0491G09G2320/029G09G2320/041
    • A sensor unit for measuring a response characteristic of a polarization rotation liquid crystal cell, includes a measurement light source which emits measurement light, a first polarization plate which has a first polarization direction and receives the measurement light from the measurement light source to output measurement light having the first polarization direction to a polarization rotation liquid crystal cell, a second polarization plate which has a second polarization direction and receives measurement light passed through the polarization rotation liquid crystal cell, a light receiving unit which receives measurement light passed through the second polarization plate, and a measurement unit which determines a response characteristic of the polarization rotation liquid crystal cell on the basis of a drive signal of the polarization rotation liquid crystal cell and the amount of measurement light received by the light receiving unit.
    • 一种用于测量偏振旋转液晶单元的响应特性的传感器单元,包括发射测量光的测量光源,具有第一偏振方向并接收来自测量光源的测量光以输出测量光的第一偏振板 具有朝向偏振旋转液晶单元的第一偏振方向,具有第二偏振方向并且接收通过偏振旋转液晶单元的测量光的第二偏振板,受光单元,其接收穿过第二偏振板的测量光 以及测量单元,其基于偏振旋转液晶单元的驱动信号和由光接收单元接收的测量光量来确定偏振旋转液晶单元的响应特性。
    • 7. 发明授权
    • Projection type image display system and color correction method thereof
    • 投影型图像显示系统及其颜色校正方法
    • US06801365B2
    • 2004-10-05
    • US10309848
    • 2002-12-04
    • Tomoyuki NakamuraToru WadaKensuke Ishii
    • Tomoyuki NakamuraToru WadaKensuke Ishii
    • G02B300
    • H04N9/3147G03B21/006H04N9/3182
    • There is provided a projection type image display system comprising color image displaying means for displaying an image to be projected onto a screen, means for storing a correlation between an initial XYZ-tristimulus value of an image projected onto the screen at the time of initial adjustment and an initial luminance value of the image projected onto the screen at the time of initial adjustment, luminance measuring means for measuring a maximum luminance value of each of primary colors of an image projected onto the screen upon lapse of a predetermined time from the initial adjustment, means for estimating an XYZ-tristimulus value of the image on the screen upon lapse of the predetermined time based on the maximum luminance value and the correlation, and means for calculating a color correction coefficient based on the estimated XYZ-tristimulus value.
    • 提供了一种投影型图像显示系统,包括用于显示要投影到屏幕上的图像的彩色图像显示装置,用于存储在初始调整时投影到屏幕上的图像的初始XYZ-三刺激值之间的相关性的装置 以及在初始调整时投影到屏幕上的图像的初始亮度值,用于测量从初始调整经过预定时间后投影到屏幕上的每个原色的每个原色的最大亮度值的亮度测量装置 ,用于基于最大亮度值和相关性估计经过预定时间的屏幕上的图像的XYZ三色值的装置,以及用于基于估计的XYZ-三刺激值计算颜色校正系数的装置。
    • 9. 发明申请
    • IMAGE SHARING SYSTEM AND METHOD
    • 图像共享系统和方法
    • US20090046954A1
    • 2009-02-19
    • US11838733
    • 2007-08-14
    • Kensuke Ishii
    • Kensuke Ishii
    • G06K7/00
    • G06K9/00221G06K9/00677
    • An image capture device, includes a body; an image sensor in the body; a lens configured to focus a scene onto the image sensor; a communications interface in the body; an image processor coupled to receive an image from or to send an image to the communications interface; executable program code embodied in a computer readable medium and configured to cause the image processor to: process image data associated with a first facial area in a first image to determine a first data set of parameters associated with the first facial area; scan one or more subsequent images stored in memory accessible by the image processor; identify facial areas in the subsequent images and process image data associated with identified facial areas in the subsequent images to determine subsequent data sets of parameters associated with identified facial areas; and compare the first and subsequent data sets to determine whether the one or more subsequent images includes a same face as the face highlighted in the first image.
    • 一种图像捕获装置,包括一个主体; 身体中的图像传感器; 配置成将场景聚焦到图像传感器上的透镜; 身体中的通信接口; 图像处理器,被耦合以从所述通信接口接收图像或将图像发送到所述通信接口; 可执行程序代码体现在计算机可读介质中并且被配置为使得图像处理器:处理与第一图像中的第一面部区域相关联的图像数据,以确定与第一面部区域相关联的参数的第一数据集合; 扫描由图像处理器访问的存储在存储器中的一个或多个后续图像; 识别后续图像中的面部区域并处理与后续图像中的识别的面部区域相关联的图像数据,以确定与所识别的面部区域相关联的参数的后续数据集合; 并且比较第一和随后的数据集以确定一个或多个后续图像是否包括与第一图像中突出显示的面相同的面部。