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    • 3. 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。
    • 8. 发明申请
    • IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND STORAGE MEDIUM
    • 图像处理设备,图像处理方法,图像处理程序和存储介质
    • US20120147432A1
    • 2012-06-14
    • US13396364
    • 2012-02-14
    • Fumitaka GotoTetsuya SuwaFumihiro GotoYusuke HashiiMasao KatoKentaro Yano
    • Fumitaka GotoTetsuya SuwaFumihiro GotoYusuke HashiiMasao KatoKentaro Yano
    • H04N1/409H04N1/407G06T5/00
    • G06K15/02
    • An image processing apparatus includes an obtaining unit, a determination unit, a setting unit, and a processing unit to perform an image edge intensifying processing. The obtaining unit obtains image data by reading a document. The determination unit determines an image edge direction. The setting unit sets an edge intensifying processing intensity based on the image data and a processing intensity determined corresponding to a difference between resolution in a main scanning direction and resolution in a sub-scanning direction. The processing unit performs the image edge intensifying processing according to the set intensity. In response to the resolution of the image data being higher in the sub-scanning direction than in the main scanning direction, the setting unit sets a higher intensity of the edge intensifying processing in response to the edge direction being along the sub-scanning direction than in response to the edge direction being along the main scanning direction.
    • 图像处理装置包括获取单元,确定单元,设置单元和执行图像边缘增强处理的处理单元。 获取单元通过读取文档来获得图像数据。 确定单元确定图像边缘方向。 设置单元基于图像数据设置边缘增强处理强度,并且根据主扫描方向上的分辨率和副扫描方向上的分辨率之间的差异确定的处理强度。 处理单元根据设定强度进行图像边缘增强处理。 响应于副扫描方向上的图像数据的分辨率高于主扫描方向,设置单元响应于沿着副扫描方向的边缘方向设置较高的边缘增强处理强度比 响应于沿着主扫描方向的边缘方向。
    • 9. 发明申请
    • IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND STORAGE MEDIUM
    • 图像处理设备,图像处理方法,图像处理程序和存储介质
    • US20110267655A1
    • 2011-11-03
    • US13182208
    • 2011-07-13
    • Fumitaka GotoTetsuya SuwaFumihiro GotoYusuke HashiiMasao KatoKentaro Yano
    • Fumitaka GotoTetsuya SuwaFumihiro GotoYusuke HashiiMasao KatoKentaro Yano
    • H04N1/409
    • G06K15/02
    • An image processing apparatus to perform an edge intensifying processing of an image includes an obtaining unit, a calculating unit, a setting unit, and a processing unit. The obtaining unit obtains image data composed of pixels aligned in a main scanning direction and a sub-scanning direction perpendicular to the main scanning direction. The calculating unit obtains an edge direction of an image and a variation amount indicating a magnitude of change in a luminance value. The setting unit sets an intensity of the edge intensifying processing. The processing unit performs the edge intensifying processing. In a case where the image data resolution in the sub-scanning direction is higher than in the main scanning direction, the setting unit sets the intensity of the edge intensifying processing to an amount that is higher when the edge direction is the sub-scanning direction than when the edge direction is the main scanning direction.
    • 执行图像的边缘增强处理的图像处理装置包括获取单元,计算单元,设置单元和处理单元。 获取单元获取由与主扫描方向垂直的主扫描方向和副扫描方向对齐的像素构成的图像数据。 计算单元获得图像的边缘方向和指示亮度值的变化幅度的变化量。 设定单元设定边缘增强处理的强度。 处理单元执行边缘增强处理。 在副扫描方向上的图像数据分辨率高于主扫描方向的情况下,设定单元将边缘增强处理的强度设定为边缘方向为副扫描方向时的高度 比边缘方向为主扫描方向。