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    Digital image capturing and processing system for producing and projecting a complex of coplanar illumination and imaging planes into a 3D imaging volume and controlling illumination control parameters in said system using the detected motion and velocity of object
    78.
    发明授权
    Digital image capturing and processing system for producing and projecting a complex of coplanar illumination and imaging planes into a 3D imaging volume and controlling illumination control parameters in said system using the detected motion and velocity of object 失效
    数字图像捕获和处理系统，用于产生和投影共面照明和成像平面的复合物到3D成像体积中并且使用检测到的物体的运动和速度来控制所述系统中的照明控制参数

    公开(公告)号：US07516898B2

    公开(公告)日：2009-04-14

    申请号：US11711907

    申请日：2007-02-27

    申请人： C. Harry Knowles ,  Xiaoxun Zhu ,  Timothy Good ,  Tao Xian ,  Michael Veksland ,  Anatoly Kotlarsky ,  John Furlong ,  Mark Hernandez ,  Nicola Ciarlante ,  Mark Schmidt

    发明人： C. Harry Knowles ,  Xiaoxun Zhu ,  Timothy Good ,  Tao Xian ,  Michael Veksland ,  Anatoly Kotlarsky ,  John Furlong ,  Mark Hernandez ,  Nicola Ciarlante ,  Mark Schmidt

    IPC分类号： G06K7/10

    CPC分类号： G06K7/10712 ,  G06K7/10693 ,  G06K7/10722 ,  G06K7/10732 ,  G06K7/10851 ,  G06K9/2027 ,  G06K2207/1012 ,  G06Q20/20 ,  G06Q20/202 ,  G06Q20/203 ,  G06Q20/208 ,  G06Q20/209 ,  G06Q30/06

    摘要： A digital image capturing and processing system comprising a plurality of coplanar illumination and imaging stations for producing a plurality of coplanar linear illumination and imaging planes which intersect within a 3D imaging volume defined relative to an imaging window. Each station includes an array of planar illumination modules (PLIMs) for producing at least one substantially planar illumination beam (PLIB), and a linear image detection array having a field of view (FOV) on the linear image detection array and extending in substantially the same plane as the PLIB, to provide a coplanar illumination and imaging plane (PLIB/FOV). The PLIB/FOV is projected through the 3D imaging volume, for capturing linear (1D) digital images of an object passing therethrough, for subsequent processing and recognition of information graphically represented in the linear digital images. Each station also employs a local control subsystem for controlling at least one illumination parameter associated with the production of the PLIB, in response to the motion and velocity of objects detected within the 3D imaging volume during system operation. By virtue of the present invention, it is possible to optimally illuminate objects based on the velocity at which such objects pass through the 3D imaging volume, at point-of-sale (POS) stations and like retail environments. Such illumination control ensures the capture of high quality digital images of objects, resulting in improved image processing.

    摘要翻译： 一种数字图像捕获和处理系统，包括多个共面照明和成像站，用于产生多个共面线性照明和成像平面，所述共面线性照明和成像平面相对于相对于成像窗口定义的3D成像体积相交。 每个站包括用于产生至少一个基本上平面的照明光束（PLIB）的平面照明模块（PLIM）阵列和在线性图像检测阵列上具有视场（FOV）的线性图像检测阵列， 与PLIB相同的平面，提供共面照明和成像平面（PLIB / FOV）。 PLIB / FOV通过3D成像体积投影，用于捕获通过其中的物体的线性（1D）数字图像，以便后续处理和识别在线性数字图像中图形表示的信息。 响应于在系统操作期间在3D成像体积内检测到的物体的运动和速度，每个站还采用本地控制子系统来控制与生产PLIB相关联的至少一个照明参数。 凭借本发明，可以基于这些物体通过3D成像体积，在销售点（POS）站等零售环境的速度来最佳地照亮物体。 这种照明控制确保捕获物体的高质量数字图像，从而改善图像处理。