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    • 7. 发明授权
    • Image data processing using bi-level and multi-level value data
    • 使用双级和多级数据数据的图像数据处理
    • US5521990A
    • 1996-05-28
    • US460760
    • 1995-06-02
    • Yasuhisa IshizawaKenjiro ChyoHiroshi NonoshitaYasuhisa ShigeharaSeiji SaitoShigeki Miura
    • Yasuhisa IshizawaKenjiro ChyoHiroshi NonoshitaYasuhisa ShigeharaSeiji SaitoShigeki Miura
    • G06T11/60H04N1/387G06K9/38
    • H04N1/3872G06T11/60H04N1/3871H04N1/3873
    • Disclosed is a method of processing image data, including controlling to output multi-level value image data for reproducing a multi-level value image and bi-level value image data for reproducing a bi-level value image with respect to a predetermined area, thereby reproducing the multi-level and bi-level value images which constitute a single image. Also disclosed is an interface system including a multi-level converter for converting multi-level value image data into bi-level value image data and vice versa, a resolution converter operated in synchronism with the multi-level converter to convert the resolution of the multi-level value image data, an area data memory for storing area data corresponding to an instruction input representing a multi-level or bi-level value image area, and an output device for selecting the multi-level value image data from the resolution converter or the multi-level value image data from the multi-level converter on the basis of the area data and for outputting selected data to the image output device.
    • 公开了一种处理图像数据的方法,包括控制输出用于再现多电平值图像的多电平值图像数据和用于相对于预定区域再现双电平值图像的双电平值图像数据,由此 再现构成单一图像的多级和双电平值图像。 还公开了一种接口系统,包括用于将多电平值图像数据转换为双电平值图像数据的多电平转换器,反之亦然;与多电平转换器同步操作的分辨率转换器,以转换多电平值图像数据的分辨率 级数值图像数据,用于存储对应于表示多级或双电平值图像区域的指令输入的区域数据的区域数据存储器,以及用于从分辨率转换器中选择多电平值图像数据的输出装置, 根据区域数据来自多电平转换器的多电平值图像数据,并将选择的数据输出到图像输出装置。