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    • 1. 发明授权
    • Image processing device
    • 图像处理装置
    • US5515180A
    • 1996-05-07
    • US152975
    • 1993-11-16
    • Hiroshi MaedaToshio YamagishiNorihide KunikawaToshihiro OkahashiTatsuya ItohMasatsugu Nakamura
    • Hiroshi MaedaToshio YamagishiNorihide KunikawaToshihiro OkahashiTatsuya ItohMasatsugu Nakamura
    • H04N1/40H04N1/409
    • H04N1/4092H04N1/40087
    • The present invention is made to reduce the effect of variation of pulses for driving a printer when recording image data and to improve the gray level representation of picture images to be printed. Data incoming through an image reading device are quantized and processed two pixels at a time by a gray level image processing circuit. The two-pixels' data are first discriminated by an edge discriminator to determine whether they represent an edge portion within the image or not. An object image, on which an operation for inter-pixel spacing shall be conducted, is selected according to the discrimination result. The arithmetic and logic portion performs the above-mentioned operation by two pixels at a time if the data correspond to a non-edge portion and performs correction for enhancement if the data correspond to an edge. This may eliminate the effect of dot displacement due to variation of drive pulses of a printer and improve the quality, in particular, of a gray level image portion.
    • 本发明是为了在记录图像数据时减少用于驱动打印机的脉冲变化的影响,并且改善要打印的图像的灰度级表示。 通过图像读取装置输入的数据由灰度级图像处理电路一次量化并处理两个像素。 首先由边缘鉴别器鉴别双像素数据,以确定它们是否代表图像内的边缘部分。 根据鉴别结果选择要进行像素间间隔操作的对象图像。 如果数据对应于非边缘部分,则算术和逻辑部分一次执行上述操作两个像素,并且如果数据对应于边缘,则执行用于增强的校正。 这可以消除由于打印机的驱动脉冲的变化引起的点位移的影响,并且提高了质量,特别是灰度级图像部分的质量。
    • 2. 发明授权
    • Image processing device
    • 图像处理装置
    • US5748794A
    • 1998-05-05
    • US449542
    • 1995-05-24
    • Hiroshi MaedaTatsuya ItohMasatsugu Nakamura
    • Hiroshi MaedaTatsuya ItohMasatsugu Nakamura
    • H04N1/40H04N1/409
    • H04N1/4092H04N1/40087
    • An image processing apparatus and method which can be selectively used in a variable mode and a fixed mode. In the variable mode, the quantizing values and thresholds for converting high valued image gradation into low valued image gradation can be changed so as to vary the surface gray levels of a printable image at a fixed laser gradation value. In the fixed mode, constant thresholds and quantizing values are used. The use of selectable operation modes enables easy printing operation with increased quality. Also, constant quality of printable images despite environmental changes may be realized by sensing and comparing currently read reference data with initially stored reference data and subsequently correcting quantizing values and thresholds in accordance with the compared result.
    • 可以选择性地以可变模式和固定模式使用的图像处理装置和方法。 在可变模式中,可以改变用于将高值图像灰度转换为低值图像灰度的量化值和阈值,以便以固定的激光灰度值改变可打印图像的表面灰度级。 在固定模式下,使用恒定阈值和量化值。 使用可选择的操作模式可以轻松实现打印操作,提高质量。 此外,尽管环境变化,可以通过感测和比较当前读取的参考数据与最初存储的参考数据并随后根据比较的结果校正量化值和阈值来实现可打印图像的恒定质量。
    • 7. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20070058199A1
    • 2007-03-15
    • US11497674
    • 2006-08-01
    • Hiroshi KawanoMasatsugu NakamuraShinji ImagawaTakashi KitagawaMasaaki Ohtsuki
    • Hiroshi KawanoMasatsugu NakamuraShinji ImagawaTakashi KitagawaMasaaki Ohtsuki
    • H04N1/40
    • G03G15/556G03G15/0856G03G15/5041G03G15/5079G03G15/553
    • A small domain generation section generates a plurality of small domains in a multi-valued image transmitted from an intermediate tone correction section. Each domain is constituted of a plurality of pixels. Counting means counts a signal input value of each pixel. Weighting calculation means corrects each signal input value of the “pixels subjection to toner quantity equivalent value calculation” with reference to the signal input value of the small domain, and reads out a weighting coefficient from the weighting coefficient table based on the modified signal input value. The weighting calculation means multiplies the signal input value by the coefficient so as to convert the signal input value into a toner quantity equivalent value. Accumulating means calculates toner quantity equivalent values for all of the pixels of the multi-valued image. A total toner quantity equivalent value calculation section determines a total toner quantity equivalent value by accumulating all of the toner quantity equivalent values which are individually calculated each time an image is processed. When the total toner quantity equivalent value reaches a predetermined value, conditions for process control is set. On this account, the present invention achieves an image forming apparatus capable of accurate estimation of toner consumption quantity.
    • 小域生成部在从中间色调校正部发送的多值图像中生成多个小域。 每个域由多个像素组成。 计数装置计算每个像素的信号输入值。 加权计算装置参考小域的信号输入值来校正“像素对调色剂量等效值计算的像素”的每个信号输入值,并且基于修改的信号输入值从加权系数表读出加权系数 。 加权计算装置将信号输入值乘以系数,以便将信号输入值转换成调色剂量当量值。 累积装置计算多值图像的所有像素的调色剂量等效值。 总调色剂量当量值计算部通过累积每次处理图像时分别计算的所有调色剂量等效值来确定总调色剂量当量值。 当总调色剂量当量值达到预定值时,设定用于处理控制的条件。 因此,本发明实现了能够准确地估计调色剂消耗量的图像形成装置。
    • 10. 发明授权
    • Electronic device and control method for electronic device
    • 电子设备电子设备及控制方法
    • US09542000B2
    • 2017-01-10
    • US13371132
    • 2012-02-10
    • Yasuhiro UenoMasatsugu Nakamura
    • Yasuhiro UenoMasatsugu Nakamura
    • G06F3/01G06F3/0488
    • G06F3/016G06F3/04886
    • An object of the present invention is to provide corresponding tactile sensations in accordance with a characteristic of an image displayed. Specifically, an electronic device 10 according to the present invention includes a display unit 102 configured to display an image, a touch sensor 103 configured to detect a touch, a tactile sensation providing unit 104 configured to provide the tactile sensation to a touch face of the touch sensor 103, and a control unit 109 configured to divide the image into a plurality of areas and, when the touch sensor detects the touch to a position corresponding to any of the plurality of areas, to control the tactile sensation providing unit 104 to provide the tactile sensation associated with the area.
    • 本发明的目的是提供根据所显示的图像的特征的相应的触感。 具体地,根据本发明的电子设备10包括被配置为显示图像的显示单元102,被配置为检测触摸的触摸传感器103,触觉提供单元104,其被配置为向触摸面提供触觉 触摸传感器103和被配置为将图像分割成多个区域的控制单元109,并且当触摸传感器检测到对应于多个区域中的任一个的位置的触摸时,控制触觉提供单元104提供 与该地区相关的触觉。