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    • 7. 发明申请
    • AUTO-STEREOSCOPIC DISPLAY DEVICE
    • 自动立体显示装置
    • US20100259819A1
    • 2010-10-14
    • US12680228
    • 2008-09-30
    • Martin Gerard Hendrik HiddinkSiebe Tjerk De ZwartOscar Hendrikus WillemsenMichel Cornelis Josephus Marie VissenbergThomas Caspar KraanMarc Joseph Rita Op De BeeckRemco Theodorus Johannes Muijs
    • Martin Gerard Hendrik HiddinkSiebe Tjerk De ZwartOscar Hendrikus WillemsenMichel Cornelis Josephus Marie VissenbergThomas Caspar KraanMarc Joseph Rita Op De BeeckRemco Theodorus Johannes Muijs
    • G02B27/26
    • H04N13/312G02B27/2242G02B27/2285G02B27/26H04N13/305H04N13/351
    • An auto-stereoscopic display device which addresses the problem of how to provide an improved three dimensional effect without degrading the resolution of the views. The auto-stereoscopic display device comprises: image forming means having an array of display pixels for producing a display; view forming means positioned in registration with the image forming means and having an array of view forming elements, the view forming elements each being configurable to focus the outputs of groups of the display pixels into a plurality of views projected towards a user in different directions; and view deflecting means positioned in registration with the view forming means, the view deflecting means being arranged to selectably change the directions in which the plurality of views are projected towards the user. The view deflecting means comprise at least one birefringent prism having a first refractive index for light having a first polarization direction and a second refractive index for light having a second polarization direction. The view deflecting means further comprise a polarization switch in registration with the birefringent prism for providing the birefringent prism with display light having the first or second polarization direction. Specific arrangements of the image forming means, the view forming means and the view deflection means provide an even distribution of pixels and virtual pixels associated with the deflected views
    • 一种解决如何提供改进的三维效果而不降低视图分辨率的问题的自动立体显示装置。 自动立体显示装置包括:具有用于产生显示的显示像素阵列的图像形成装置; 视图形成装置定位成与图像形成装置对准并且具有视图形成元件的阵列,所述视图形成元件各自可配置为将显示像素的组的输出聚焦成朝向用户在不同方向上投影的多个视图; 并且将视角偏转装置设置成与视图形成装置对准,视图偏转装置被布置成可选地改变多个视图朝向使用者投射的方向。 视角偏转装置包括至少一个双折射棱镜,其具有用于具有第一偏振方向的光的第一折射率和具有第二偏振方向的光的第二折射率。 视角偏转装置还包括与双折射棱镜对准的偏振开关,用于为双折射棱镜提供具有第一或第二偏振方向的显示光。 图像形成装置,视图形成装置和视图偏转装置的具体布置提供与偏转视图相关联的像素和虚拟像素的均匀分布
    • 8. 发明申请
    • METHOD AND APPARATUS FOR IMAGE ENHANCEMENT
    • 图像增强的方法和装置
    • US20090202167A1
    • 2009-08-13
    • US12438580
    • 2007-08-27
    • Remco Theodorus Johannes MuijsJeroen Arnoldus Paulus Tegenbosch
    • Remco Theodorus Johannes MuijsJeroen Arnoldus Paulus Tegenbosch
    • G06K9/40G06T5/00G06T5/50
    • G06T5/007G06T2207/10024G06T2207/20016G06T2207/20021H04N1/409
    • The invention relates to an apparatus and a method for computing an output image (145) on the basis of an input image (100). The method comprises the steps of splitting (105) the input image (100) into multiple sub-images, each sub-image comprising information from a respective frequency band of the input image (100), calculating (110) a pixel headroom signal quantifying the margin available for enhancement of pixel values of pixels in the input image (100), calculating (115) pixel enhancement factors for pixels within sub-images to be modified in dependence upon the pixel headroom signal, such that the margin as quantified by the pixel headroom signal is spread across the respective sub-images to be modified, modifying (120) the respective sub-images by using the pixel enhancement factors and the corresponding pixel values from the respective sub-images, and generating (135) the output image (145) by using the modified sub-images. The present invention also relates to an image signal comprising pixel values forming an image (100) and a set of pixel enhancement factors allowing enhancement of the image.
    • 本发明涉及一种用于基于输入图像(100)计算输出图像(145)的装置和方法。 该方法包括以下步骤:将输入图像(100)分割成多个子图像,每个子图像包括来自输入图像(100)的相应频带的信息,计算(110)量化像素余量信号 可用于增强输入图像(100)中的像素的像素值的边缘,根据像素余量信号计算(115)要修改的子图像内的像素的像素增强因子,使得由 像素净空信号分布在要修改的各个子图像上,通过使用来自各个子图像的像素增强因子和相应的像素值来修改(120)各个子图像,并且生成(135)输出图像 (145)通过使用修改的子图像。 本发明还涉及包括形成图像(100)的像素值和允许图像增强的一组像素增强因子的图像信号。