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    • 8. 发明授权
    • Image reading apparatus and method
    • 图像读取装置及方法
    • US07551328B2
    • 2009-06-23
    • US10471344
    • 2003-01-08
    • Tetsujiro KondoTakashi SawaoJunichi IshibashiTakahiro NaganoNaoki FujiwaraToru MiyakeSeiji Wada
    • Tetsujiro KondoTakashi SawaoJunichi IshibashiTakahiro NaganoNaoki FujiwaraToru MiyakeSeiji Wada
    • H04N1/04
    • H04N1/191H04N1/028H04N1/1013
    • The present invention enables image data with good S/N and high resolution to be obtained reliably in a short reading time. A CCD 102 is formed by arranging line sensors, in which detecting elements having a time integration effect are arranged in a direction orthogonal to a relative movement direction in which the CCD 102 moves relative to an original, in a plurality of columns in the relative movement direction. A signal processing unit 107 detects pixel components on the basis of a model for separating first pixel values obtained in a processing unit time by the CCD 102 into a plurality of the pixel components corresponding to detection positions of the object being detected, and generates second pixel values corresponding to the detection positions of the object being detected on the basis of the detected pixel components. The present invention is applicable to scanners.
    • 本发明能够在短的读取时间内可靠地获得具有良好S / N和高分辨率的图像数据。 通过布置线传感器形成CCD 102,其中具有时间积分效应的检测元件在与CCD 102相对于原稿移动的相对移动方向正交的方向上以相对运动的多列排列 方向。 信号处理单元107基于用于将由CCD 102在处理单元时间中获得的第一像素值分离成与被检测对象的检测位置相对应的多个像素分量的模型来检测像素分量,并且生成第二像素 基于检测到的像素分量对应于被检测物体的检测位置的值。 本发明适用于扫描仪。
    • 10. 发明授权
    • 3-Dimensional model composed against textured midground image and
perspective enhancing hemispherically mapped backdrop image for visual
realism
    • 三维模型组合反对纹理的中间图像和透视增强半球映射背景图像的视觉现实主义
    • US5694533A
    • 1997-12-02
    • US684510
    • 1996-07-19
    • John William RichardsMorgan William Amos David
    • John William RichardsMorgan William Amos David
    • G06F3/153G06F17/50G06T15/10G06T3/00
    • G06T15/10
    • A modelling system for producing a 2-D image of a 3-D scene includes a 3-D computer graphics modeler for producing a view from a selectable viewpoint and in a selectable direction of a 3-D computer graphics model of an object for forming a foreground image, a source of backdrop video data, digital video effects apparatus for manipulating the backdrop video data to produce a background image and a compositor for keying the foreground image into the background image to form the 2-D image. The modelling system is able to produce in real time photo-realistic representations of computer models of objects such as buildings and the like in a real world environment. It is possible to include moving foreground objects in the model for virtual reality applications. It is also possible in real time to move around the model by changing the selected viewpoint and/or direction, the modelling system responding to these changes to produce the appropriate output images. A modified modelling system also provides for the inclusion of mid-ground information.
    • 用于产生3-D场景的2D图像的建模系统包括一个3-D计算机图形建模器,用于从可选择的视点和可选择的方向产生用于形成的物体的3-D计算机图形模型的视图 前景图像,背景视频数据源,用于操纵背景视频数据以产生背景图像的数字视频效果装置和用于将前景图像键入背景图像的合成器以形成2D图像。 建模系统能够在真实世界环境中实时地产生诸如建筑物等的物体的计算机模型的实时照片描绘。 可以在虚拟现实应用的模型中包括移动前景对象。 也可以通过改变所选择的视点和/或方向来实时地移动模型,建模系统响应这些变化以产生适当的输出图像。 修改的建模系统还提供了包括地面信息。