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    • 1. 发明授权
    • Microimage registration system for loading and/or updating microfiches
in microfilm cassette library
    • 用于在微缩胶卷盒库中加载和/或更新微缩胶片的微图像注册系统
    • US4315322A
    • 1982-02-09
    • US54451
    • 1979-07-03
    • Mikio OsakiHiroshi KamadaKohichi KakimotoToshiaki Tabuchi
    • Mikio OsakiHiroshi KamadaKohichi KakimotoToshiaki Tabuchi
    • G06K17/00G06F3/00
    • G06K17/0016
    • In an improved system for loading new microfiches, or updating previously stored microfiches, in a microfilm cassette library; a registration mode is provided whereby a keyboard operator can register keyword a and other index information for specific frames while these microimages are concurrently being projected on a viewing screen. Structures are included for receivingand holding fiches or cassettes being registered, for positioning frames for optical projection, and for reading magnetically encoded fiche identity data. Both buffer memory and file memory means are provided for storage of frame address information including cartridge identity, microfiche identity, X and Y axes coordinates, and other index data. Microcomputer means are provided for overall control of the registration of new fiches and for retrieval of same.
    • 在一个改进的系统中,用于在微缩胶卷盒库中装载新的微胶片或更新先前存储的微细胶片; 提供了一种登记模式,由此键盘操作员可以在这些微图像同时投射在观看屏幕上时,为特定帧注册关键词a和其他索引信息。 包括用于接收和持有的盒子或盒子的结构,用于定位用于光学投影的框架,以及用于读取磁性编码的fiche身份数据。 提供缓冲存储器和文件存储器装置用于存储包括盒标识,缩微胶片标识,X和Y轴坐标以及其它索引数据的帧地址信息。 提供微电脑手段,以全面控制新财物的登记和检索。
    • 6. 发明授权
    • Device, method and storage medium for recognizing a document image
    • 用于识别文档图像的设备,方法和存储介质
    • US06347156B1
    • 2002-02-12
    • US09216712
    • 1998-12-21
    • Hiroshi KamadaKatsuhito Fujimoto
    • Hiroshi KamadaKatsuhito Fujimoto
    • G06K900
    • H04N1/40068G06K9/38G06K2209/01H04N1/40012
    • A color image input from a document image inputting unit is converted into a gray-scale image by a brightness image extracting unit. The gray-scale image is then converted into an image having a higher resolution according to the resolution of the original gray-scale image. When this conversion is performed, subpixels are generated between the original pixels, and the values of the subpixels are obtained with an interpolation method. Furthermore, a threshold value for a binarization process is generated by using an original pixel value and a subpixel value. The characters included in the binarized image are recognized by a binary image recognizing unit, and a recognition result is output from a recognition result outputting unit.
    • 从文件图像输入单元输入的彩色图像由亮度图像提取单元转换成灰度图像。 然后根据原始灰度图像的分辨率将灰度图像转换成具有更高分辨率的图像。 当执行该转换时,在原始像素之间产生子像素,并且通过插值方法获得子像素的值。 此外,通过使用原始像素值和子像素值来生成二值化处理的阈值。 由二进制图像识别单元识别二值化图像中包含的字符,并从识别结果输出单元输出识别结果。
    • 7. 发明授权
    • Document image recognition apparatus and computer-readable storage medium storing document image recognition program
    • 文件图像识别装置和存储文件图像识别程序的计算机可读存储介质
    • US06332046B1
    • 2001-12-18
    • US09193868
    • 1998-11-18
    • Katsuhito FujimotoHiroshi KamadaKoji Kurokawa
    • Katsuhito FujimotoHiroshi KamadaKoji Kurokawa
    • G06K936
    • G06K9/3283G06K9/00463G06K2209/01
    • A document image tilt detection unit extracts a set of elements forming a character from a document image, extracts candidates for horizontal and vertical lines based on the character elements, estimates the reliability of each candidate for a line, and extracts a set of probable lines. Then, it estimates the tilt of the document image based on the arrangement of the character elements belonging to the line elements in the set of probable lines. A layout analysis unit extracts a set of lines in a fixed line direction from a set of basic elements forming the document image, and reciprocally performs the extraction of a column based on the correlation between lines and the extraction of a line based on the restrictions of the column. By providing the document image tilt detection unit and the layout analysis unit, the tilt of the document image containing both vertical and horizontal character lines can be detected, and lines and columns can be extracted at a high speed with high precision.
    • 文档图像倾斜检测单元从文档图像中提取形成字符的一组元素,基于字符元素提取水平和垂直行的候选,估计每行候选人的可靠性,并提取一组可能的行。 然后,它基于属于可能线组中的线元素的字符元素的排列来估计文档图像的倾斜度。 布局分析单元从形成文档图像的基本元素的集合中提取固定线方向的一组线,并且基于线间的相关性和基于线的提取而相互进行列的提取 列。 通过提供文件图像倾斜检测单元和布局分析单元,可以检测包含垂直和水平字符行两者的文档图像的倾斜,并且可以高精度高速提取行和列。