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    • 1. 发明授权
    • Fast rendering of pyramid lens distorted raster images
    • 金字塔镜片快速渲染失真光栅图像
    • US07667699B2
    • 2010-02-23
    • US10358394
    • 2003-02-05
    • Robert KomarGarth B. D. ShoemakerMark Tigges
    • Robert KomarGarth B. D. ShoemakerMark Tigges
    • G06T15/10G09G5/00
    • G06T3/0018
    • A method for generating a presentation of a region-of-interest in an information representation including the steps of: selecting a viewpoint for the region-of-interest; creating a lens surface for the region-of-interest; the lens surface having a focal region and a shoulder region surrounding the focal region; creating a transformed presentation by: determining boundaries in the representation for the focal region and the shoulder region; determining boundaries on the lens surface corresponding to the boundaries in the representation by applying a distortion function defining the lens surface to the boundaries in the representation; perspectively projecting the boundaries on the lens surface onto a plane spaced from the viewpoint; and, copying information in the representation lying within the boundaries in the representation onto the focal region and the shoulder region of the lens surface using respective focal region and shoulder region stretch bit-block transfer operations; and, displaying the transformed presentation on a display screen to generate the presentation of the region-of-interest.
    • 一种用于在信息表示中生成兴趣区域的呈现的方法,包括以下步骤:为所述感兴趣区域选择视点; 为感兴趣的区域创建镜片表面; 所述透镜表面具有焦点区域和围绕所述焦点区域的肩部区域; 通过:确定焦点区域和肩部区域的表示中的边界来创建转换的呈现; 通过将表示所述透镜表面的失真函数应用于所述表示中的边界来确定与所述表示中的边界相对应的透镜表面上的边界; 将透镜表面上的边界透视地投影到与视点间隔开的平面上; 并且使用各个焦点区域和肩部区域伸展位块传送操作将表示中的表示中的信息复制到透镜表面的焦点区域和肩部区域上; 并且在显示屏幕上显示经变换的呈现以生成感兴趣区域的呈现。