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31 条记录 (耗时 0.021 秒)

    Image reading apparatus
    3.
    发明授权
    Image reading apparatus 失效
    图像读取装置

    公开(公告)号：US5847884A

    公开(公告)日：1998-12-08

    申请号：US890352

    申请日：1997-07-09

    申请人： Koichi Kamon ,  Shinya Matsuda ,  Noriyuki Okisu

    发明人： Koichi Kamon ,  Shinya Matsuda ,  Noriyuki Okisu

    IPC分类号： G02B26/10 ,  H04N1/00 ,  H04N1/10 ,  G02B27/02 ,  H04N1/04

    CPC分类号： H04N1/00809 ,  G02B26/101 ,  H04N1/00795 ,  H04N1/02409 ,  H04N1/1013 ,  H04N2201/0416 ,  H04N2201/0434

    摘要： An image reading apparatus which reads document surfaces of open book-like documents placed on a document platen in a face upward condition, the image reading apparatus comprises; a first detector which detects a height distribution of a document surface in a main scanning direction, a second detector which detects a height distribution of the document surface in a sub-scanning direction, and a direction discrimination device for discriminating whether a placement direction of the document is a main scanning direction or a sub-scanning direction based on the height distributions.

    摘要翻译： 一种图像读取装置，其以面朝上的状态读取放置在原稿台上的打开的书本文件的文件表面，图像读取装置包括： 第一检测器，其检测文件表面在主扫描方向上的高度分布;检测文档表面在副扫描方向上的高度分布的第二检测器;以及方向判别装置，用于鉴别文档表面的扫描方向 文档是基于高度分布的主扫描方向或副扫描方向。

    Document scanner for book document
    4.
    发明授权
    Document scanner for book document 失效
    文件扫描器

    公开(公告)号：US5764379A

    公开(公告)日：1998-06-09

    申请号：US529365

    申请日：1995-09-18

    申请人： Shinya Matsuda ,  Noriyuki Okisu

    发明人： Shinya Matsuda ,  Noriyuki Okisu

    IPC分类号： H04N1/00 ,  H04N1/04 ,  H04N1/10 ,  H04N1/193 ,  H04N1/387

    CPC分类号： H04N1/1043 ,  H04N1/1013 ,  H04N1/3878 ,  H04N1/193 ,  H04N2201/0434 ,  H04N2201/0436

    摘要： An image reading apparatus which reads book-like documents placed on a document platen in a face upward condition. A first detector detects the height of the document surface by the shape of a side surface of the document, and a second detector detects the height of the document by the shape of the document surface. A discrimination device detects abnormal height data detected by the detectors, and distortion of image data output from an imaging device is corrected using height data determined to have no abnormality.

    摘要翻译： 一种图像读取装置，其以面朝上的状态读取放置在原稿台上的书本文件。 第一检测器通过文件的侧表面的形状检测原稿表面的高度，第二检测器通过文件表面的形状检测文档的高度。 识别装置检测由检测器检测的异常高度数据，并且使用被确定为没有异常的高度数据校正从成像装置输出的图像数据的失真。

    Image reading apparatus
    6.
    发明授权
    Image reading apparatus 失效
    用于检测边缘并校正被读取的文档的不同高度的图像读取装置

    公开(公告)号：US06687420B1

    公开(公告)日：2004-02-03

    申请号：US08530434

    申请日：1995-09-19

    申请人： Shinya Matsuda ,  Noriyuki Okisu ,  Hiroshi Nagashima

    发明人： Shinya Matsuda ,  Noriyuki Okisu ,  Hiroshi Nagashima

    IPC分类号： G06K936

    CPC分类号： H04N1/04 ,  G06K9/32 ,  G06K2209/01 ,  H04N1/193 ,  H04N2201/0416 ,  H04N2201/0434

    摘要： In an image reading apparatus in which a document is read with scanning by a image pickup device, a height of the document and an outline of the document are detected. Based on the detected height and outline data, together with a calculating of a document size, an offset amount from a setting reference position of the document is calculated. Based on the calculations, the image is processed properly. Also, if the document is not placed correctly or a degree of an image distortion is not within a correctable range, an alarm is issued.

    摘要翻译： 在通过图像拾取装置扫描读取文档的图像读取装置中，检测文档的高度和文档的轮廓。 基于检测到的高度和轮廓数据，与文档尺寸的计算一起计算与文档的设置参考位置的偏移量。 根据计算，图像被正确处理。 此外，如果文档未正确放置或图像失真程度不在可校正范围内，则发出报警。

    Document reading apparatus for detection of curvatures in documents
    8.
    发明授权
    Document reading apparatus for detection of curvatures in documents 失效
    用于检测文件中的曲率的文件读取装置

    公开(公告)号：US5084611A

    公开(公告)日：1992-01-28

    申请号：US588652

    申请日：1990-09-26

    申请人： Noriyuki Okisu ,  Shinya Matsuda ,  Toshihiko Karasaki

    发明人： Noriyuki Okisu ,  Shinya Matsuda ,  Toshihiko Karasaki

    IPC分类号： H04N1/04 ,  H04N1/10 ,  H04N1/107 ,  H04N1/195 ,  H04N1/387

    CPC分类号： H04N1/387 ,  H04N1/195 ,  H04N2201/0434

    摘要： A document reading apparatus comprising a document table, a reading section disposed above the document table for reading a document, e.g. an opened book, placed on the document table, and a linear light source for emitting light to the opened book at an angle thereto. The reading section includes a sensor for detecting an image of the light emitted to the book. This image displays a brightness distribution over surfaces of the opened book including curvatures adjacent the joint. The brightness distribution is used as a reference for rectifying an image signal corresponding to the opened book when the document image is reproduced.

    摘要翻译： 一种文件读取装置，包括文件表，设置在用于读取文档的文档表格上方的读取部分，例如 放置在文件台上的打开的书，以及以一定角度向打开的书发光的线性光源。 读取部分包括用于检测发射到书的光的图像的传感器。 该图像显示在打开的书的表面上的亮度分布，包括在关节附近的曲率。 当再现文档图像时，亮度分布用作校正对应于打开的书的图像信号的参考。

    Image capturing apparatus provided with image processor
    10.
    发明申请
    Image capturing apparatus provided with image processor 审中-公开
    具有图像处理器的图像捕获设备

    公开(公告)号：US20050024508A1

    公开(公告)日：2005-02-03

    申请号：US10923828

    申请日：2004-08-24

    申请人： Noriyuki Okisu ,  Shinichi Fujii

    发明人： Noriyuki Okisu ,  Shinichi Fujii

    IPC分类号： G06T3/00 ,  H04N5/202 ,  H04N5/243 ,  H04N5/335 ,  H04N5/372 ,  H04N9/69

    CPC分类号： H04N9/69 ,  G06K9/38 ,  G06K9/4661 ,  G06K2209/01 ,  H04N1/2112 ,  H04N1/387 ,  H04N1/4072 ,  H04N5/202 ,  H04N5/232 ,  H04N5/23229 ,  H04N5/3572 ,  H04N9/045 ,  H04N2101/00

    摘要： An image capturing apparatus capable of performing a suitable illuminance nonuniformity correction by setting a suitable γ-characteristic every block even in the case that the size of a character image projected on a sensing surface changes according to an image capturing magnification, and capable of extracting a boundary area between a white board portion and a background portion and applying a suitable image processing to this boundary area during the illuminance nonuniformity correction for a picked image, and capable of image capturing a representation such as characters drawn on a white board in such a manner that an obtained image is clear and easy to see by suitably performing an illuminance nonuniformity correction even in the case of color image capturing, and capable of detecting a regularly reflected light with high accuracy and can thereby securely prevent an error of obtaining an image of low quality by image capturing, and capable of preventing an error in flash-image capturing a representation such as characters drawn on a white board under insufficient illumination light and effectively perform an illuminance nonuniformity correction.

    摘要翻译： 即使在投影到感测表面上的字符图像的尺寸根据图像拍摄倍率而变化的情况下，也能够通过每个块设定合适的伽马特性来执行适当的照度不均匀性校正的图像捕获装置，并且能够提取 白板部分和背景部分之间的边界区域，并且在所选择的图像的照度不均匀校正期间对该边界区域进行适当的图像处理，并且能够以这种方式图像捕获诸如在白板上绘制的字符的表示 即使在彩色图像拍摄的情况下，通过适当地执行照度不均匀性校正也能够获得的图像清晰易懂，并能够以高精度检测规则的反射光，从而可以确保获得低的图像的误差 通过图像捕获的质量，并且能够防止flash-imag中的错误 e在不足的照明光下拍摄诸如在白板上绘制的字符的表示，并且有效地执行照度不均匀校正。