IMAGE RECONSTRUCTION WITH VOXEL DEPENDENT INTERPOLATION
    1.
    发明申请
    IMAGE RECONSTRUCTION WITH VOXEL DEPENDENT INTERPOLATION 有权
    具有VOXEL依赖插值的图像重建

    公开(公告)号:US20090202036A1

    公开(公告)日:2009-08-13

    申请号:US11575902

    申请日:2005-09-22

    IPC分类号: H05G1/60 G06K9/00

    CPC分类号: G06T11/006

    摘要: A radiographic imaging apparatus includes a radiation detector (16) and a radiation source (12) which projects a non-parallel beam of radiation into field of view (14). A footprint of each voxel (v) which is projected on the detector (16) is corrected based on the position of the voxel (v) in the field of view (14) in relation to the radiation detector (16) and the radiation source (12). The contributions from substantially parallel redundant projections are further combined based on a fractional distance frac from a center point (82) of the voxel (v) to a center of each of the adjacent redundant projections.

    摘要翻译: 放射线照相成像装置包括辐射检测器(16)和辐射源(12),其将非平行辐射束投射到视场(14)中。 基于在视场(14)中相对于放射线检测器(16)的体素(v)的位置和辐射源(v)来校正投影在检测器(16)上的每个体素(v)的足迹 (12)。 基于从体素(v)的中心点(82)到每个相邻冗余投影的中心的分数距离压裂进一步组合基本上平行的冗余投影的贡献。