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    • 45. 发明授权
    • Image processing apparatus and method for converting image data into a specified resolution
    • 用于将图像数据转换成指定分辨率的图像处理装置和方法
    • US08270030B2
    • 2012-09-18
    • US11979957
    • 2007-11-13
    • Satoshi Ohkawa
    • Satoshi Ohkawa
    • G06K15/00
    • H04N1/40068H04N1/0402H04N1/0414H04N1/0443
    • Example embodiments are directed to an apparatus and method of image processing. Moving speed control processing performed by a control unit causes an image reading portion to move the position of a reading line in a sub-scanning direction of a document, to read an image on the document in the main scanning direction, and to output the image data on the read line. A read image correction portion converts the image data characteristics to data characteristics that are predetermined at the time of accumulation of the image data, and accumulates the converted image data. Then, an image processing portion converts the accumulated image data characteristics into device characteristics of a device to which the image data is output, and outputs the converted image data to an image writing portion or to the device to which the image data is output, via an external I/F control unit.
    • 示例性实施例涉及图像处理的装置和方法。 由控制单元执行的移动速度控制处理使得图像读取部分沿着文档的副扫描方向移动读取线的位置,以主扫描方向读取原稿上的图像,并输出图像 读取行上的数据。 读取图像校正部分将图像数据特征转换成在图像数据累积时预定的数据特征,并且累加转换的图像数据。 然后,图像处理部分将累积的图像数据特性转换为输出图像数据的装置的设备特性,并将转换的图像数据经由图像写入部分或图像数据输出到的装置经由 外部I / F控制单元。
    • 50. 发明授权
    • Image processing apparatus
    • 图像处理装置
    • US08331700B2
    • 2012-12-11
    • US12254263
    • 2008-10-20
    • Satoshi Ohkawa
    • Satoshi Ohkawa
    • G06K9/36
    • H04N1/46G06T5/002H04N1/00H04N1/409H04N1/41
    • An image processing apparatus includes an input processing unit which generates image data and attribute data indicating an attribute of each pixel of the image data from inputted data, a first data compression unit which compresses the image data generated by the input processing unit, a second compression unit as a lossy data compression unit to compress the attribute data generated by the input processing unit, a first expansion unit which expands the image data compressed by the first data compression unit, a second expansion unit which expands the attribute data compressed by the second data compression unit, and an output image processing unit which processes the image data expanded by the first expansion unit with a process condition for the attribute data expanded by the second expansion unit to output the image data expanded by the first expansion unit as image data with predetermined data characteristics.
    • 图像处理装置包括输入处理单元,其从输入的数据生成表示图像数据的各像素的属性的图像数据和属性数据,压缩由输入处理单元生成的图像数据的第一压缩单元,第二压缩 单元作为有损数据压缩单元来压缩由输入处理单元生成的属性数据,扩展由第一数据压缩单元压缩的图像数据的第一扩展单元,扩展由第二数据压缩的属性数据的第二扩展单元 压缩单元和输出图像处理单元,其处理由第一扩展单元扩展的图像数据,具有由第二扩展单元扩展的属性数据的处理条件,以将由第一扩展单元扩展的图像数据输出为预定的图像数据 数据特征。