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    • 2. 发明申请
    • TWO-DIMENSIONAL CALIBRATION OF IMAGE SENSOR ALIGNMENT IN OPTICAL SCANNERS
    • 光学扫描仪中图像传感器对准的二维校准
    • US20130250371A1
    • 2013-09-26
    • US13877327
    • 2010-10-01
    • Gerard Verhaegh
    • Gerard Verhaegh
    • H04N1/00
    • H04N1/00031H04N1/19H04N1/1903H04N1/193H04N1/1934H04N1/195H04N1/19584H04N1/3876
    • Disclosed is a method of processing image signals from a first and a second image sensor, both of a document scanner unit, where the first image sensor provides a first image, and the second image sensor provides a second image. The first and the second image are two-dimensional images wherein said first and second image are recorded at respective areas of a scanned medium, where a portion of the respective areas is recorded also by the other of the respective image sensors. Thereby image data from overlapping and non-overlapping areas are present in the first and the second image. The method comprises: correlating the first image with the second image, creating a correlation image and processing the correlation image to determine a displacement between the first and the second image. Consequently, a versatile calibration method is provided that can determine a displacement between the first and the second image in two dimensions.
    • 公开了一种处理来自第一图像传感器和第二图像传感器的图像信号的方法,其中第一图像传感器提供第一图像的文档扫描器单元和第二图像传感器提供第二图像。 第一和第二图像是二维图像,其中所述第一和第二图像被记录在扫描介质的相应区域,其中各个区域的一部分也由相应图像传感器中的另一个记录。 由此,来自重叠区域和非重叠区域的图像数据存在于第一和第二图像中。 该方法包括:将第一图像与第二图像相关,创建相关图像并处理相关图像以确定第一图像和第二图像之间的位移。 因此,提供了可以确定第一和第二图像在二维中的位移的通用校准方法。
    • 5. 发明申请
    • IMAGE PROCESSING USING MULTIPLE IMAGE DEVICES
    • 使用多个图像设备的图像处理
    • US20080089653A1
    • 2008-04-17
    • US11548328
    • 2006-10-11
    • Ezra Daniel Bernard Hall
    • Ezra Daniel Bernard Hall
    • G02B6/06
    • G02B6/06G02B6/4249H04N1/195H04N1/19584H04N1/19589
    • An apparatus and a method for operating the same. The apparatus includes N light guide portions. Each light guide portion of the N light guide portions includes a first light guide end and a second light guide end. If an image enters the N light guide portions through the N first light guide ends, then the image goes through the N light guide portions and exits through the N second light guide ends undistorted. The apparatus further includes N image devices. The N image devices are in one-to-one close proximity to the N second light guide ends. If an image exits the N light guide portions through the N second light guide ends, then the image essentially completely enters the N image devices.
    • 一种装置及其操作方法。 该装置包括N个导光部。 N个导光部的各导光部包括第一导光端和第二导光端。 如果图像通过N个第一导光端进入N个导光部,则图像通过N个导光部,并且通过N个第二导光体端未失真地离开。 该装置还包括N个图像装置。 N个图像装置与N个第二光导端一一对接。 如果图像通过N个第二导光端离开N个导光部,则图像基本上完全进入N个图像装置。
    • 6. 发明授权
    • Exposure apparatus and method for exposing a photosensitive material with a plurality of exposure heads
    • 用多个曝光头曝光感光材料的曝光装置和方法
    • US07327377B2
    • 2008-02-05
    • US10830053
    • 2004-04-23
    • Kenji Matsumoto
    • Kenji Matsumoto
    • B41J2/45
    • H04N1/1903G03F7/70275H04N1/195H04N1/19573H04N1/19584H04N1/19589H04N2201/0082
    • In order to obtain a preferable image without “stripe-shaped unevenness”, an exposure apparatus comprising first and second exposure heads having light emitting sections emitting light with first and second intensity arranged in main and sub scanning directions such that an exposure area including an overlapped exposure area overlapping an exposure area of the first exposure head is exposed by the second exposure head and a driving control unit by which light emitting sections of the first and second exposure heads are lit at a predetermined timing in the overlapped exposure area such that a difference in the maximum exposure amount between pixels adjoining each other in the main scanning direction is smaller than a difference in the maximum exposure amount between each pixel in the exposure area of the first exposure head and each pixel in the exposure area of the second exposure head, is provided.
    • 为了获得没有“条纹不均匀”的优选图像,曝光装置包括第一和第二曝光头,该第一和第二曝光头具有以主扫描和副扫描方向布置的具有第一和第二强度的发光的发光部分,使得包括重叠的曝光区域 第一曝光头的曝光区域重叠的曝光区域由第二曝光头和第一曝光头和第二曝光头的发光部分在重叠曝光区域中的预定定时点亮的驱动控制单元曝光, 在主扫描方向上彼此相邻的像素之间的最大曝光量小于第一曝光头的曝光区域和第二曝光头的曝光区域中的每个像素之间的每个像素之间的最大曝光量的差, 被提供。
    • 9. 发明申请
    • Exposure apparatus and method
    • 曝光装置和方法
    • US20040214099A1
    • 2004-10-28
    • US10830053
    • 2004-04-23
    • FUJI PHOTO FILM CO., LTD.
    • Kenji Matsumoto
    • G03C005/00
    • H04N1/1903G03F7/70275H04N1/195H04N1/19573H04N1/19584H04N1/19589H04N2201/0082
    • In order to obtain a preferable image without nullstripe-shaped unevennessnull, an exposure apparatus comprising first and second exposure heads having light emitting sections emitting light with first and second intensity arranged in main and sub scanning directions such that an exposure area including an overlapped exposure area overlapping an exposure area of the first exposure head is exposed by the second exposure head and a driving control unit by which light emitting sections of the first and second exposure heads are lit at a predetermined timing in the overlapped exposure area such that a difference in the maximum exposure amount between pixels adjoining each other in the main scanning direction is smaller than a difference in the maximum exposure amount between each pixel in the exposure area of the first exposure head and each pixel in the exposure area of the second exposure head, is provided.
    • 为了获得没有“条纹不均匀”的优选图像,曝光装置包括第一和第二曝光头,该第一和第二曝光头具有以主扫描和副扫描方向布置的具有第一和第二强度的发光的发光部分,使得包括重叠的曝光区域 第一曝光头的曝光区域重叠的曝光区域由第二曝光头和第一曝光头和第二曝光头的发光部分在重叠曝光区域中的预定定时点亮的驱动控制单元曝光, 在主扫描方向上彼此相邻的像素之间的最大曝光量小于第一曝光头的曝光区域和第二曝光头的曝光区域中的每个像素之间的每个像素之间的最大曝光量的差, 被提供。