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    • 12. 发明授权
    • Document information compression and retrieval system and document
information registration and retrieval method
    • 文件信息压缩检索系统和文件信息注册和检索方法
    • US5590317A
    • 1996-12-31
    • US68658
    • 1993-05-27
    • Hiroaki IguchiYasuo KurosuMasaaki FujinawaYoshihiro YokoyamaHidefumi Masuzaki
    • Hiroaki IguchiYasuo KurosuMasaaki FujinawaYoshihiro YokoyamaHidefumi Masuzaki
    • G06F17/30
    • G06F17/30011Y10S707/99932
    • A document information compression and retrieval system which reduces the document data amount and shortens the retrieval time when mass document information is registered and retrieved. A method of registering document information in a document information retrieval system which stores document information consisting of a large number of characters for retrieval of the stored document information. Entered document information is separated into words. Whether or not each of the words is a word to which a compressed code is assigned is determined. If not already assigned, a compressed code is assigned to the word. The words are converted into the assigned compressed codes for storing a compressed text. At output, retrieval information is accepted and converted into compressed code and stored compressed texts are searched for the compressed text matching the compressed code of the retrieval information, then the words corresponding to the compressed codes are used to expand the compressed text into original document information.
    • 一种文档信息压缩和检索系统,其减少了文档数据量并缩短了大量文档信息被注册和检索时的检索时间。 一种在文档信息检索系统中记录文档信息的方法,该文档信息检索系统存储由用于检索所存储的文档信息的大量字符组成的文档信息。 输入的文档信息被分隔成单词。 确定每个单词是否是分配了压缩代码的单词。 如果尚未分配,则会将一个压缩代码分配给该单词。 这些单词被转换为用于存储压缩文本的分配的压缩代码。 在输出时,接收检索信息并将其转换为压缩码,并搜索与检索信息的压缩码匹配的压缩文本的存储的压缩文本,然后使用与压缩码相对应的字来将压缩文本扩展为原始文档信息 。
    • 13. 发明授权
    • Document image filing system having input color mode selecting capability
    • 具有输入颜色模式选择能力的文档图像归档系统
    • US5335084A
    • 1994-08-02
    • US892960
    • 1992-06-03
    • Narihiro MunemasaFumio WakamoriHidefumi MasuzakiMasaaki FujinawaYasuo Kurosu
    • Narihiro MunemasaFumio WakamoriHidefumi MasuzakiMasaaki FujinawaYasuo Kurosu
    • G06T1/00G06T11/60H04N1/00H04N1/46
    • H04N1/00822H04N1/00795H04N1/46
    • In an image filing system including an image scanner having at least a color mode and a monochrome mode as image input mode, for inputting document images; a key device for designating the image input mode of the image scanner, an image file for storing document image data inputted from the image scanner and a display screen on which the document images are displayed, a background corresponding to the image input mode is outputted when the document image inputted for the image scanner is displayed on the display screen. If a monochrome document is inputted for processing in a full color or multicolor mode, a monochrome input image and the background which is specific to the full color or the multicolor mode are outputted. Accordingly, a user which looks at the display notices that he or she should change the input mode and inputs the document image again prior to registration of the inputted image in a file.
    • 在包括具有至少彩色模式和单色模式作为图像输入模式的图像扫描器的图像归档系统中,用于输入文档图像; 用于指定图像扫描仪的图像输入模式的关键装置,用于存储从图像扫描器输入的原稿图像数据的图像文件和显示文档图像的显示屏幕,输出与图像输入模式相对应的背景,当 在显示屏幕上显示为图像扫描仪输入的文档图像。 如果单色文档被输入以全色或多色模式进行处理,则输出特定于全色或多色模式的单色输入图像和背景。 因此,看着显示器的用户注意到他或她应该改变输入模式,并且在输入的图像在文件中注册之前再次输入文档图像。
    • 14. 发明授权
    • Method for determining the amount of skew of image, method for
correcting the same, and image data processing system
    • 用于确定图像偏斜量的方法,用于校正图像的方法和图像数据处理系统
    • US5181260A
    • 1993-01-19
    • US606613
    • 1990-10-31
    • Yasuo KurosuYoshihiro YokoyamaKenichi NishikawaHidefumi MasuzakiMasaaki Fujinawa
    • Yasuo KurosuYoshihiro YokoyamaKenichi NishikawaHidefumi MasuzakiMasaaki Fujinawa
    • G06T1/00G06K9/32G06T3/60G06T7/60H04N1/387
    • G06K9/3283G06T3/608H04N1/3878
    • Method for determining and correcting the amount of an skew of image which may be read by an image reader, preferably one with with an automatic paper feeding device. Information dependent on the angle of skew of image is obtained in a plurality of the directions with respect to image data and the amount of skew is determined based on the information obtained. Measurement of the information is performed in two or more stages (or steps). At the first stage, the measurement is performed within a narrow range of angles including a reference direction. If no skew angle is detected in the narrow range, then the measurement is performed again at the second stage in a wider range of angles. If a skew angle is detected in the first stage, the second stage is omitted. With the skew angle determined, the image data is rotated in accordance with the skew angle detected to cancel the skew. No correction of the image data is performed if skew angle detection does not result in either the first or the second stage. Preferably, correction of the image data is omitted if the detected skew angle falls within a very small range of angles.
    • 用于确定和校正可由图像读取器读取的图像的偏斜量的方法,优选地,具有自动送纸装置的图像的偏斜量。 在图像数据的多个方向上获得取决于图像的偏斜角的信息,并且基于获得的信息确定偏斜量。 在两个或多个阶段(或步骤)中进行信息的测量。 在第一阶段,在包括基准方向的窄范围的角度内进行测量。 如果在窄范围内没有检测到倾斜角度,则在更宽的角度范围内在第二阶段再次执行测量。 如果在第一级中检测到倾斜角度,则省略第二级。 在确定了倾斜角时,根据检测到的倾斜角来旋转图像数据以消除偏斜。 如果偏斜角检测不会导致第一或第二阶段,则不进行图像数据的校正。 优选地,如果检测到的偏斜角落在非常小的角度范围内,则省略图像数据的校正。
    • 15. 发明授权
    • Method of detecting and correcting a direction of image data and
document image filing system employing the same
    • 检测和校正图像数据的方向的方法以及采用该方法的文档图像归档系统
    • US5471549A
    • 1995-11-28
    • US235195
    • 1994-04-29
    • Yasuo KurosuHidefumi MasuzakiHiromichi Fujisawa
    • Yasuo KurosuHidefumi MasuzakiHiromichi Fujisawa
    • G06K9/20G06K9/32
    • G06K9/3208G06K2209/01
    • A document is scanned by an optical scanner to be converted into digital image data to be transmitted to an image memory. Characters are extracted from the digital image data one by one and features are extracted from each of the extracted characters. The features as standard patterns stored in a character recognition dictionary are read out to be subjected to 90 degree rotation, 180 degree rotation and 270 degree rotation by a feature rotator, thereby to produce standard patterns of the four directions. Similarity measures are individually calculated between the standard patterns of the four directions and the features of each extracted character, with respect to the four directions. This processing is repeated for a plurality of characters recorded in the document to select a direction having the maximum add value of the similarity measures, thereby to detect an input direction of the document. When the detected direction is not a proper direction, the counterclockwise rotation is given to the digital image data to correct the digital image data to the proper direction.
    • 文件由光学扫描器扫描以被转换成数字图像数据以发送到图像存储器。 从数字图像数据逐个提取字符,并且从每个提取的字符中提取特征。 读出存储在字符识别字典中的作为标准图案的特征,通过特征旋转器进行90度旋转,180度旋转和270度旋转,从而产生四个方向的标准图案。 相对于四个方向,在四个方向的标准图案和每个提取的字符的特征之间分别计算相似性度量。 针对记录在文档中的多个字符重复该处理,以选择具有相似性度量的最大附加值的方向,从而检测文档的输入方向。 当检测到的方向不是正确的方向时,逆时针旋转被给予数字图像数据以将数字图像数据校正到正确的方向。