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    • 4. 发明申请
    • A GENERAL PURPOSE STEREOSCOPIC 3D FORMAT CONVERSION SYSTEM AND METHOD
    • 一般用途立体三维格式转换系统和方法
    • WO2004066203A3
    • 2005-03-31
    • PCT/US2004001217
    • 2004-01-16
    • VREX INCDIVELBISS ADAM WSWIFT DAVID CTSERKOVNYUK WALTER V
    • DIVELBISS ADAM WSWIFT DAVID CTSERKOVNYUK WALTER V
    • H04N13/00
    • H04N13/0029
    • Because of the numerous possibilities in the capture, transmission, and display of stereoscopic image pairs during 3D format conversion, there are numerous compatibility issues between the various stereoscopic image sources and stereoscopic display systems. A general purpose stereoscopic 3D format (102) conversion system and method is described that eliminates these compatibility issues by providing a system that performs conversion of any stereoscopic image stream within a specified set of 3D formats to any other 3D format within the set. The system also performs numerous other image processing functions that are beneficial for stereoscopic image processing (910) such as image pan, alignment, zoom, crop, keystone correction, video format conversion, scan-rate conversion, and an array of standard 2D image enhancements (912) including brightness, contrast, hue saturation, and sharpness.
    • 由于在3D格式转换期间捕获,传输和显示立体图像对的许多可能性,在各种立体图像源和立体显示系统之间存在许多兼容性问题。 描述了通用立体3D格式(102)转换系统和方法,其通过提供执行在特定3D格式集合内的任何立体图像流到集合内的任何其他3D格式的转换来消除这些兼容性问题。 该系统还执行有益于立体图像处理(910)的许多其他图像处理功能,例如图像平移,对准,缩放,裁剪,梯形失真校正,视频格式转换,扫描速率转换和标准2D图像增强阵列 (912),包括亮度,对比度,色调饱和度和清晰度。
    • 6. 发明申请
    • METHOD AND APPARATUS OF FLICKER REDUCTION FOR LC SHUTTER GLASSES
    • 用于LC快门玻璃的减少闪光的方法和装置
    • WO02059683A9
    • 2003-11-13
    • PCT/US0201731
    • 2002-01-23
    • VREX INCTUNG CARLDIVELBISS ADAM WSWIFT DAVID C
    • TUNG CARLDIVELBISS ADAM WSWIFT DAVID C
    • G02B27/22G02C7/10G02C7/12H04N13/00
    • H04N13/0438G02B27/2264G02C7/101G02C7/12H04N13/0037H04N13/0048H04N13/0051H04N13/0055H04N13/0285H04N13/0422H04N13/0434H04N13/0456H04N13/0459H04N13/0497H04N2013/0085
    • The preferred embodiment of the invention comprises a method of reducing flicker in a stereoscopic display system LC shutter glasses and a display device, the glasses, having two LC shutter assemblies each having a first polarizing element nearer the eye, a second polarizing element nearer the display and an active rotator between the two polarizing elements. The method of reducing flicker comprises removing the second polarizing material from each LC shutter assembly and installing a third polarizing material in the optical path between said LC shutter glasses and said display device. The third polarizing material has a polarizing characteristics substantially identical to that of said second polarizing material. The display device is a CTR display, a front view projection system or a near projection display screen wherein the third polarizing material is mounted on the near projection screen between the projected image and the LC shutter glasses. A stereoscopic display system with reduce flicker using the method described above includes: LC shutter glasses having two LC shutter assemblies each having a first polarizing material nearer the eye and an active rotator; a display device; and, a second polarizing material in the optical path between said LC shutter glasses and said display device. The second polarizing material has a polarizing characteristic substantially orthogonal to that of said polarizing material.
    • 本发明的优选实施例包括一种降低立体显示系统LC快门眼镜和显示装置中的闪烁的方法,该眼镜具有两个LC快门组件,每个LC快门组件均具有靠近眼睛的第一偏振元件,靠近显示器的第二偏振元件 和两个偏振元件之间的主动旋转体。 降低闪烁的方法包括从每个LC快门组件移除第二偏光材料,并将第三偏光材料安装在所述LC快门眼镜和所述显示装置之间的光路中。 第三偏振材料具有与所述第二偏振材料基本上相同的偏振特性。 显示装置是CTR显示器,前视图投影系统或近投影显示屏幕,其中第三偏振材料安装在投影图像和LC快门眼镜之间的近投影屏幕上。 使用上述方法减少闪烁的立体显示系统包括:具有两个LC快门组件的LC快门眼镜,每个LC快门组件各自具有靠近眼睛的第一偏振材料和主动旋转器; 显示装置; 以及在所述LC快门眼镜和所述显示装置之间的光路中的第二偏振材料。 第二偏振材料具有与所述偏振材料基本正交的极化特性。