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    • 1. 发明申请
    • IMAGE-PROCESSING APPARATUS AND IMAGE-PROCESSING METHOD
    • 图像处理设备和图像处理方法
    • US20110013205A1
    • 2011-01-20
    • US12813345
    • 2010-06-10
    • Tomoyuki Hansaki
    • Tomoyuki Hansaki
    • G06K15/10
    • H04N1/52
    • The present invention provides an image-processing apparatus, including: a corrected value calculating unit configured to calculate corrected values by adding error values diffused from a pixel neighboring a pixel currently being processed respectively to a plurality of input values corresponding to the pixel currently being processed; a total value calculating unit configured to calculate a total value of all corrected values; a quantizing unit configured to quantize the total value; a distributing unit configured to calculate a plurality of output values corresponding to the plurality of input values by distributing the quantized value according to a ratio between each of the corrected values and the total value; and an adding unit configured to calculate respective difference values between the plurality of output values and the plurality of corrected values, and to add the calculated difference values to corrected values.
    • 本发明提供了一种图像处理装置,包括:校正值计算单元,被配置为通过将从与当前正在处理的像素相邻的像素扩散的误差值相加于对应于当前正在处理的像素的多个输入值来计算校正值 ; 总值计算单元,被配置为计算所有校正值的总值; 量化单元,被配置为量化总值; 分配单元,被配置为通过根据所述校正值和所述总值之间的比率分配所述量化值来计算与所述多个输入值相对应的多个输出值; 以及添加单元,被配置为计算所述多个输出值和所述多个校正值之间的各个差值,并将所计算出的差值加到校正值。
    • 6. 发明授权
    • Image-processing apparatus and image-processing method
    • 图像处理装置和图像处理方法
    • US08456693B2
    • 2013-06-04
    • US12813345
    • 2010-06-10
    • Tomoyuki Hansaki
    • Tomoyuki Hansaki
    • G06K15/10G03F3/08
    • H04N1/52
    • The present invention provides an image-processing apparatus, including: a corrected value calculating unit configured to calculate corrected values by adding error values diffused from a pixel neighboring a pixel currently being processed respectively to a plurality of input values corresponding to the pixel currently being processed; a total value calculating unit configured to calculate a total value of all corrected values; a quantizing unit configured to quantize the total value; a distributing unit configured to calculate a plurality of output values corresponding to the plurality of input values by distributing the quantized value according to a ratio between each of the corrected values and the total value; and an adding unit configured to calculate respective difference values between the plurality of output values and the plurality of corrected values, and to add the calculated difference values to corrected values.
    • 本发明提供了一种图像处理装置,包括:校正值计算单元,被配置为通过将从与当前正在处理的像素相邻的像素扩散的误差值相加于对应于当前正在处理的像素的多个输入值来计算校正值 ; 总值计算单元,被配置为计算所有校正值的总值; 量化单元,被配置为量化总值; 分配单元,被配置为通过根据所述校正值和所述总值之间的比率分配所述量化值来计算与所述多个输入值相对应的多个输出值; 以及添加单元,被配置为计算所述多个输出值和所述多个校正值之间的各个差值,并将所计算出的差值加到校正值。
    • 7. 发明授权
    • Image processing apparatus and image processing method
    • 图像处理装置和图像处理方法
    • US08194285B2
    • 2012-06-05
    • US12414493
    • 2009-03-30
    • Tomoyuki HansakiTakatoshi OtaHiroaki SugiuraKoji Ito
    • Tomoyuki HansakiTakatoshi OtaHiroaki SugiuraKoji Ito
    • H04N1/40G06K15/10G06K9/00
    • H04N1/405
    • An image processing apparatus configured to generate recording data used in an image forming processing for carrying out an image formation by performing a recording scan by plural times on a same image region on a recording medium, includes a division unit for dividing input image data into image data for each recording scan, a quantization unit for quantizing, based on the divided image data for each recording scan, the image data for each recording scan, and a generation unit for generating, based on the quantized image data for each recording scan, recording data for each recording scan, in which the division unit divides the input image data into the image data for each recording scan based on a division rate periodically varying in accordance with a spatial position of an image represented by the input image data.
    • 一种图像处理装置,被配置为生成用于通过在记录介质上的同一图像区域上多次执行多次记录扫描的图像形成处理中使用的记录数据,包括:将输入图像数据分割为图像的分割单元 用于每个记录扫描的数据,用于根据每个记录扫描的分割图像数据量化用于每个记录扫描的图像数据的量化单元,以及用于根据每个记录扫描的量化图像数据生成记录 用于每个记录扫描的数据,其中分割单元基于根据由输入图像数据表示的图像的空间位置周期性变化的分频率,将输入图像数据划分成用于每个记录扫描的图像数据。
    • 8. 发明申请
    • IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
    • 图像处理装置和图像处理方法
    • US20090244631A1
    • 2009-10-01
    • US12414493
    • 2009-03-30
    • Tomoyuki HansakiTakatoshi OtaHiroaki SugiuraKoji Ito
    • Tomoyuki HansakiTakatoshi OtaHiroaki SugiuraKoji Ito
    • H04N1/40
    • H04N1/405
    • An image processing apparatus configured to generate recording data used in an image forming processing for carrying out an image formation by performing a recording scan by plural times on a same image region on a recording medium, includes a division unit for dividing input image data into image data for each recording scan, a quantization unit for quantizing, based on the divided image data for each recording scan, the image data for each recording scan, and a generation unit for generating, based on the quantized image data for each recording scan, recording data for each recording scan, in which the division unit divides the input image data into the image data for each recording scan based on a division rate periodically varying in accordance with a spatial position of an image represented by the input image data.
    • 一种图像处理装置,被配置为生成用于通过在记录介质上的同一图像区域上多次执行多次记录扫描的图像形成处理中使用的记录数据,包括:将输入图像数据分割为图像的分割单元 用于每个记录扫描的数据,用于根据每个记录扫描的分割图像数据量化用于每个记录扫描的图像数据的量化单元,以及用于根据每个记录扫描的量化图像数据生成记录 用于每个记录扫描的数据,其中分割单元基于根据由输入图像数据表示的图像的空间位置周期性变化的分频率,将输入图像数据划分成用于每个记录扫描的图像数据。