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    • 1. 发明授权
    • Image recording system, image data resource apparatus, image recording apparatus, image processing method, and program
    • 图像记录系统,图像数据资源装置,图像记录装置,图像处理方法和程序
    • US07672011B2
    • 2010-03-02
    • US10375148
    • 2003-02-28
    • Masao KatoTomoyuki WatanabeAkitoshi Yamada
    • Masao KatoTomoyuki WatanabeAkitoshi Yamada
    • G06K15/02
    • H04N1/648
    • A printer driver of a Non-PC controls to quantize image data at quantization resolution (resolution 1), convert the quantized data into data resolution (resolution 2), and then transfer the data of the data resolution to an engine unit of an image output apparatus. The engine unit converts the data resolution of the received data into recording resolution (resolution 3) for a recording medium. Here, the quantization resolution is set to be lower than the data resolution. Thus, processing loads in the image processing unit can be reduced, whereby it is possible to provide image output capable of maintaining image quality and speed even under the circumstance that there is no sufficient memory and high-speed CPU, and to provide image output capable of maintaining image quality and speed according to a matrix recording method flexibly coping with various environments and minimizing the load in the engine unit.
    • 非PC的打印机驱动器控制以量化分辨率(分辨率1)量化图像数据,将量化数据转换为数据分辨率(分辨率2),然后将数据分辨率的数据传输到图像输出的引擎单元 仪器。 引擎单元将接收到的数据的数据分辨率转换为用于记录介质的记录分辨率(分辨率3)。 这里,量化分辨率被设定为低于数据分辨率。 因此,可以减少图像处理单元中的处理负荷,从而即使在没有足够的存储器和高速CPU的情况下也可以提供能够保持图像质量和速度的图像输出,并且能够提供能够 通过灵活应对各种环境的矩阵记录方法来维持图像质量和速度,并使发动机单元中的负载最小化。
    • 2. 发明授权
    • Image processing apparatus, image processing method, image processing program, and storage medium
    • 图像处理装置,图像处理方法,图像处理程序和存储介质
    • US07948655B2
    • 2011-05-24
    • US11768488
    • 2007-06-26
    • Fumitaka GotoKentaro YanoFumihiro GotoMasao KatoAkitoshi YamadaTetsuya SuwaMitsuhiro OnoArata MiyagiYusuke Hashii
    • Fumitaka GotoKentaro YanoFumihiro GotoMasao KatoAkitoshi YamadaTetsuya SuwaMitsuhiro OnoArata MiyagiYusuke Hashii
    • G06K15/00
    • H04N1/40062
    • There is disclosed an image processing apparatus which applies an adjusting process to an image that includes a pixel to be processed. The image processing apparatus extracts an image area with a predetermined size including the pixel to be processed. The apparatus calculates a variation associated with the pixel to be processed from signal values of pixels included in the image area. The apparatus calculates a variation time count in the image area from the signal values of the pixels included in the image area. The apparatus calculates adjusting levels Fz1, Fz2, and Fe from the variation time count and the variation using a definition unit which defines correspondence among the variation time count, the variation, and the adjusting levels, and applies an adjusting process to a signal value of the pixel to be processed by the calculated adjusting levels. Note that the definition unit defines the correspondence so that the adjusting levels Fz1, Fz2, and Fe progressively change in accordance with different variation time counts or different variations.
    • 公开了一种对包括要处理的像素的图像应用调整处理的图像处理装置。 图像处理装置提取具有包括要处理的像素的预定尺寸的图像区域。 该装置根据包括在图像区域中的像素的信号值计算与要处理的像素相关联的变化。 该装置根据包括在图像区域中的像素的信号值来计算图像区域中的变化时间计数。 该装置使用定义单位从变化时间计数和变化计算调整水平Fz1,Fz2和Fe,该定义单元定义变化时间计数,变化和调整水平之间的对应关系,并且将调整处理应用于 要通过计算的调整级别处理的像素。 注意,定义单元定义对应关系,使得调整水平Fz1,Fz2和Fe根据不同的变化时间计数或不同的变化逐渐改变。
    • 4. 发明授权
    • Image processing apparatus and method for executing a process of error diffusion
    • 用于执行误差扩散处理的图像处理装置和方法
    • US07855809B2
    • 2010-12-21
    • US10725397
    • 2003-12-03
    • Masao KatoAkitoshi YamadaMitsuhiro Ono
    • Masao KatoAkitoshi YamadaMitsuhiro Ono
    • G06K15/00G06K9/00
    • H04N1/4057H04N1/52
    • An image processing apparatus executes an error diffusion process to multivalue image data consisting of a plurality of density components. A first processor executes the error diffusion process by changing at least one of a quantization threshold value and a quantization diffusion coefficient which are used for the error diffusion process based on a value of the multivalue image data of the density components or a value calculated from the multivalue image data value. A second processor executes the error diffusion process by setting the quantization threshold value and the quantization diffusion coefficient which are used for the error diffusion process into fixed values. An error diffusion processing controller controls to execute the error diffusion process to at least one color among the density components by the first processor and execute the error diffusion process to other density components by the second processor.
    • 图像处理装置执行误差扩散处理以多值化由多个密度分量组成的图像数据。 第一处理器通过根据密度分量的多值图像数据的值或根据该密度分量计算的值改变用于误差扩散处理的量化阈值和量化扩散系数中的至少一个来执行误差扩散处理 多值图像数据值。 第二处理器通过将用于误差扩散处理的量化阈值和量化扩散系数设置为固定值来执行误差扩散处理。 误差扩散处理控制器控制由第一处理器对密度分量中的至少一种颜色执行误差扩散处理,并且通过第二处理器对其它浓度分量执行误差扩散处理。
    • 9. 发明授权
    • Image processing apparatus, image processing method, program for implementing the method, and storage medium
    • 图像处理装置,图像处理方法,实现方法的程序和存储介质
    • US07315395B2
    • 2008-01-01
    • US10386907
    • 2003-03-12
    • Akitoshi YamadaMasao Kato
    • Akitoshi YamadaMasao Kato
    • H04N1/405
    • H04N1/52
    • There is provided an image processing apparatus which enables high-speed processing with simplified multiplications and divisions even in the case of error diffusion comprised of a combination of processes of two or more colors. The image processing apparatus performs error diffusion on multivalued image data composed of a plurality of density components and outputs the result of the error diffusion. A plurality of error tables are stored in a storage device. One error table is selected from the plurality of error tables according to a density value of a first density component among the plurality of density components and a density value of at least one other density component when performing the error diffusion on the first density component. A CPU performs the error diffusion on the multivalued image data using the selected error table.
    • 提供了一种图像处理装置,即使在由两种或多种颜色的处理的组合构成的误差扩散的情况下,也能够以简化的乘法和除法进行高速处理。 图像处理装置对由多个密度分量组成的多值图像数据执行误差扩散,并输出误差扩散的结果。 多个错误表存储在存储装置中。 根据第一密度分量中的第一密度分量的密度值和在第一密度分量上执行误差扩散时的至少一个其它浓度分量的浓度值,从多个误差表中选择一个误差表。 CPU使用所选的错误表对多值图像数据执行错误扩散。
    • 10. 发明授权
    • Image processing apparatus, image processing method, and program
    • 图像处理装置,图像处理方法和程序
    • US07312901B2
    • 2007-12-25
    • US10387424
    • 2003-03-14
    • Akitoshi YamadaHiromitsu HirabayashiKentaro YanoMasao KatoKazuya Imafuku
    • Akitoshi YamadaHiromitsu HirabayashiKentaro YanoMasao KatoKazuya Imafuku
    • H04N1/405
    • H04N1/52
    • In an image processing apparatus which performs an error diffusion process to multivalued image data consisting of plural density components and outputs a result of the error diffusion process, the process result from a first error diffusion unit performing the error diffusion process based on a density value of a first density component included in the plural density components or the process result from a second error diffusion unit performing the error diffusion process based on the density value of the first density component and a density value of at least one density component included in other density components is selected according to a predetermined condition. Thus, even in an image process is performed to a larger number of gradations, a high-speed process can be achieved with simple structure, and the error diffusion process can be effectively performed to a shift of dot apply positions.
    • 在对由多个浓度分量组成的多值图像数据进行误差扩散处理的图像处理装置中,输出误差扩散处理的结果,来自基于密度值的第一误差扩散单元进行误差扩散处理的处理结果 包含在多个密度分量中的第一密度分量或来自基于第一密度分量的密度值执行误差扩散处理的第二误差扩散单元的处理结果和包括在其它密度分量中的至少一个密度分量的密度值 根据预定条件选择。 因此,即使对更大数量的灰度进行图像处理,也可以以简单的结构实现高速处理,并且可以有效地进行点施加位置的偏移的误差扩散处理。