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    • 6. 发明公开
    • Image processing method and apparatus
    • 图像处理方法和装置
    • EP0554115A1
    • 1993-08-04
    • EP93300677.7
    • 1993-01-29
    • CANON KABUSHIKI KAISHA
    • Negishi, Akira
    • H04N1/00H04N1/387
    • H04N1/00867H04N1/0087H04N2201/3205H04N2201/327H04N2201/3271
    • Provided are an image processing method and apparatus in which there is little deterioration in picture quality when specific information specifying a copying machine or the user thereof is added to image data. Pixel data in an 8 x 4 array at a predetermined position of the image data is modulated by subtracting a predetermined value α from 2 x 4 pixel data 2302 and 2 x 4 pixel data 2303 and adding the predetermined value α to 4 x 4 pixel data 2301 in such a manner that the number of pixels from which the predetermined value is subtracted and the number of pixels to which the predetermined value is added will become equal. The modulated data serves as a unit of added information. A plurality of units of the added information are arranged on the image data and the added information is represented by the mutual positional relationship of the plurality of information units.
    • 提供了一种图像处理方法和设备,其中当指定复印机或其用户的特定信息被添加到图像数据时,图像质量几乎没有劣化。 通过从2×4像素数据2302和2×4像素数据2303中减去预定值α并将预定值α与4×4像素数据相加来调制图像数据的预定位置处的8×4阵列中的像素数据 2301以使得从其减去预定值的像素的数量和添加了预定值的像素的数量变得相等。 调制数据用作附加信息的单位。 附加信息的多个单元被排列在图像数据上,并且附加信息由多个信息单元的相互位置关系来表示。
    • 7. 发明公开
    • Data processing apparatus, data processing method, and recording medium
    • 数据处理装置,数据处理方法和记录介质
    • EP2163981A2
    • 2010-03-17
    • EP09169141.0
    • 2009-09-01
    • Canon Kabushiki Kaisha
    • Negishi, Akira
    • G06F3/12
    • G06F3/121G03G15/5087G03G2215/00109G06F3/1243G06F3/1256G06F3/1288
    • A data processing apparatus allocates a page number in a record to each of a plurality of records of a variable data print job and performs a preflight check every page number. After that, the data processing apparatus extracts the records in which the same kind of (or same) problem has occurred in a page of the same page number from the records included in the variable data print job. The data processing apparatus calculates a ratio of the extracted records to all records having the page of the page number and presumes whether the problem relates to a master object or relates to a variable object according to the ratio. The data processing apparatus displays whether the problem in the page relates to the master object or relates to the variable object every page having the problem.
    • 数据处理设备将记录中的页码分配给可变数据打印作业的多个记录中的每一个,并且对每个页码执行预检检查。 之后,数据处理设备从包括在可变数据印刷作业中的记录中提取其中在具有相同页码的页面中发生了相同种类(或相同)问题的记录。 数据处理设备计算提取的记录与具有页面页面的所有记录的比率,并假定问题是与主对象相关还是根据该比率与可变对象相关。 数据处理设备显示页面中的问题是与主对象相关还是与具有问题的每页有关的可变对象有关。