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    Image forming apparatus, information processing apparatus, image forming system, image position correcting method, recording media, and program
    63.
    发明申请
    Image forming apparatus, information processing apparatus, image forming system, image position correcting method, recording media, and program 有权
    图像形成装置，信息处理装置，图像形成系统，图像位置校正方法，记录介质和程序

    公开(公告)号：US20050286922A1

    公开(公告)日：2005-12-29

    申请号：US11058160

    申请日：2005-02-16

    Applicant: Makoto Oki

    Inventor： Makoto Oki

    IPC: H04N1/047 ,  G03G15/00

    CPC classification number: H04N1/047 ,  H04N1/0058 ,  H04N2201/04717 ,  H04N2201/04718 ,  H04N2201/04732 ,  H04N2201/04751 ,  H04N2201/04793

    Abstract: In one embodiment, an image forming apparatus: forms, on both sides of a reference chart sheet 10, reference positioning images which are determined in advance relative to reference positions on both sides of the reference chart sheet 10; reads reference images through the image readable area from a plurality of parts on both sides of the reference chart sheet 10 or from the folded reference chart sheet 10; and adjusts image forming positions on both sides of a paper according to read-out information obtained from the reference images. The image forming positions are corrected on both sides of the paper which is greater in size than the image readable area of the image reader 11 by reading the images from multiple parts of the reference chart sheet 10 or from the folded reference chart sheet 10.

    Abstract translation: 在一个实施例中，图像形成装置：在参考图表10的两侧上形成相对于参考图表10两侧的参考位置预先确定的参考定位图像; 从参考图表10的两侧的多个部分或从折叠的参考图表10读取通过图像可读区域的参考图像; 并且根据从参考图像获得的读出信息来调整纸张两面的图像形成位置。 通过从参考图表10的多个部分或从折叠的参考图表10读取图像，在尺寸比图像读取器11的图像可读区域更大的纸张的两侧校正图像形成位置。

    Method and apparatus for indicating a field of view for a document camera
    65.
    发明授权
    Method and apparatus for indicating a field of view for a document camera 有权
    用于指示文件相机的视场的方法和装置

    公开(公告)号：US06463220B1

    公开(公告)日：2002-10-08

    申请号：US09707930

    申请日：2000-11-08

    Applicant: Christopher R. Dance ,  Mauritius Seeger

    Inventor： Christopher R. Dance ,  Mauritius Seeger

    IPC: G03B1748

    CPC classification number: H04N1/19594 ,  G03B17/06 ,  H04N1/195 ,  H04N2201/043 ,  H04N2201/0436 ,  H04N2201/0452 ,  H04N2201/04717 ,  H04N2201/04743 ,  H04N2201/04751

    Abstract: A document camera is described for capturing an electronic image of a document, for subsequent optical character recognition. In order to avoid the need for a user to look through a viewfinder of the camera, the camera comprises a projector for projecting an optical field of view indicator on to the document. The user can see the projected indicator on the document page, indicating the effective field of view of the camera. The camera may include auto-focus and zooming mechanisms. In one form, the camera processes a detected image to determine a capture zone corresponding to whole regions of the document falling entirely within the field of view. The projected indicator is controlled to indicate only the capture zone. When the image is to be captured, the camera zooms in to the capture zone to capture the image at maximum resolution.

    Abstract translation: 描述用于捕获文档的电子图像的文档照相机，用于随后的光学字符识别。 为了避免用户需要通过相机的取景器观看，相机包括用于将光学视场指示器投影到文档上的投影仪。 用户可以在文档页面上看到投影指示，指示相机的有效视场。 相机可能包括自动对焦和缩放机制。 在一种形式中，相机处理检测到的图像以确定与完全落在视场内的文档的整个区域相对应的捕获区域。 控制投影指示器仅指示捕获区域。 拍摄图像时，照相机会放大到拍摄区域，以最大的分辨率拍摄图像。

    Camera projected viewfinder
    66.
    发明申请
    Camera projected viewfinder 失效
    相机投影取景器

    公开(公告)号：US20010019664A1

    公开(公告)日：2001-09-06

    申请号：US09780368

    申请日：2001-02-12

    Inventor： Maurizio Pilu

    IPC: G03B017/00

    CPC classification number: H04N1/19594 ,  G03B13/02 ,  H04N1/195 ,  H04N5/2256 ,  H04N2201/043 ,  H04N2201/0436 ,  H04N2201/04717 ,  H04N2201/04743 ,  H04N2201/04751

    Abstract: The present invention relates to a camera (1) that projects a pattern of visible light (28) onto an object such as a document (10) to be photographed to indicate to a photographer the area of the object within view of the camera. The camera comprising image capture means (18), a lens (2) arranged to image the document (10) in an object plane onto the image capture means (18), an image framing projector (2,20,22) operable to project visible optical radiation (24,26) onto the object plane to indicate to a user of the camera (1) the bounds (28) of the document (10) imaged onto the image capture means (18), and a camera attitude sensor system (9,15) for sensing the attitude of the camera (1). The image framing projector (2,20,22) is operable in response to the attitude sensor system (9,15) to project the optical radiation (24,26) onto the object plane only when the attitude sensor system (9,15) senses that the camera (1) is oriented so that the optical radiation (24,26) will be projected downwards.

    Abstract translation: 本发明涉及一种照相机（1），其将可见光（28）的图案投射到诸如要被拍摄的文件（10）的物体上，以向摄影者指示相机内的物体的区域。 该照相机包括图像捕获装置（18），布置成将物体平面中的文件（10）成像到图像捕获装置（18）上的透镜（2），可操作以投影到图像捕获装置 可见光辐射（24,26）到对象平面上，以向照相机（1）的用户指示成像到图像捕获装置（18）上的文档（10）的边界（28），以及照相机姿态传感器系统 （9,15），用于感测照相机（1）的姿态。 只有当姿态传感器系统（9,15）被安置时，图像框架投影仪（2,20,22）可响应于姿态传感器系统（9,15）而可操作以将光学辐射（24,26）投影到物体平面上， 感测到相机（1）被定向成使得光学辐射（24,26）将向下突出。

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