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    • 6. 发明申请
    • Display optical system
    • 显示光学系统
    • US20060203201A1
    • 2006-09-14
    • US11433352
    • 2006-05-15
    • Soon Kwon
    • Soon Kwon
    • G03B21/26
    • G02B27/0031G02B27/0927G02B27/0955G03B21/2066G03B21/208G03B21/28H04N5/7458H04N9/3114H04N9/3141
    • A projection type display optical system is provided to resolve problems of keystone distortion, and to improve illumination efficiency and contrast uniformity of an image. The projection type display optical system includes: a light source; DMD as an image display means to which an emitting light ray from the light source is irradiated; and an illumination unit installed in between the light source and the image display means, and comprising: a rod lens operating as an optical device for unifying the brightness distribution of an incident light ray from the light source and emitting the brightness unified light ray; a first lens for transmitting the emitted light ray by the rod lens; a second lens on which the transmitted light ray from the first lens incidents; and a projection part for magnifying and projecting an image formed on the image display means onto a screen, wherein the first and second lenses are set in such a manner that an optical axis of the second lens and an optical axis of the first lens do not coincide with each other, whereby a surface image that is formed when an emitted surface of the rod lens transmits the first and second lens groups is not inclined to the surface of the image display means.
    • 提供了一种投影型显示光学系统来解决梯形失真的问题,并提高图像的照明效率和对比度均匀性。 投影型显示光学系统包括:光源; DMD作为照射来自光源的发射光的图像显示装置; 以及安装在光源和图像显示装置之间的照明单元,包括:杆状透镜,用作用于统一来自光源的入射光线的亮度分布并发射亮度统一光线的光学装置; 用于透射棒状透镜发射的光线的第一透镜; 来自第一透镜的透射光线在其上的第二透镜发生; 以及用于将形成在图像显示装置上的图像放大和投影到屏幕上的投影部分,其中第一和第二透镜被设置成使得第二透镜的光轴和第一透镜的光轴不 相互重合,由此当棒状透镜的发射表面透射第一和第二透镜组时形成的表面图像不会相对于图像显示装置的表面倾斜。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR PERFORMING PARALLEL BOX FILTERING IN REGION BASED IMAGE PROCESSING
    • 在基于区域的图像处理中执行并行盒过滤的方法和装置
    • US20110116727A1
    • 2011-05-19
    • US12915179
    • 2010-10-29
    • Soon KwonJong Hun LeeKyeong Ryeol BaeByung In Moon
    • Soon KwonJong Hun LeeKyeong Ryeol BaeByung In Moon
    • G06K9/40
    • G06T1/00
    • A method and apparatus for performing parallel box filtering in region based image processing is provided. The method of performing parallel box filtering in region based image processing includes selecting parallel pixel blocks having a size of M×N to be operated in parallel, selecting pixels included in a mask region having a size of K×L that is a parallel pixel operation region and a first region having a size of (M+K−1)×(N+L−1) that corresponds to overlapping masks of M*N, selecting pixels of a second region commonly included in the mask regions of M*N and storing the results of operation with respect to the pixels of the second region as repeated operation values, and operating block operation values with respect to the parallel pixel blocks using the repeated operation values.
    • 提供了一种用于在基于区域的图像处理中执行并行框过滤的方法和装置。 在基于区域的图像处理中执行并行框过滤的方法包括选择具有M×N尺寸并行的并行像素块,选择包括在具有作为并行像素操作的K×L尺寸的掩模区域中的像素 区域和具有对应于M * N的重叠掩模的(M + K-1)×(N + L-1)的大小的第一区域,选择通常包括在M * N的掩模区域中的第二区域的像素 并且将关于第二区域的像素的操作结果存储为重复操作值,以及使用重复的操作值对相对于并行像素块的操作块操作值。