Image processing apparatus having invisible component remover, image processing method, and recording medium

    公开(公告)号:US11317000B2

    公开(公告)日:2022-04-26

    申请号:US16911406

    申请日:2020-06-25

    IPC分类号: H04N1/028 H04N1/00 H04N1/409

    摘要: An image processing apparatus includes a light source, an image sensor, and an invisible component remover. The light source emits visible component light and invisible component light to a target object. The image sensor receives reflected light from the target object to detect a visible invisible mixture image including an invisible component and a visible component and an invisible image including an invisible component. The invisible component remover, based on the visible invisible mixture image and the invisible image which have been detected, removes the invisible component from the visible invisible mixture image to generate a visible image. The invisible component remover includes a removal calculator performing a removal calculation process of an invisible component with respect to the visible invisible mixture image, and a noise reducer performing a noise reduction process on at least one of images to be input to and output from the removal calculator.

    Information detecting device to perform a color conversion operation on image read by a reading sensor

    公开(公告)号:US10735625B2

    公开(公告)日:2020-08-04

    申请号:US16381520

    申请日:2019-04-11

    IPC分类号: H04N1/40 H04N1/193 H04N1/54

    摘要: An information detecting device detects information from a target. The information detecting device includes processing circuitry. The processing circuitry is configured to perform a first information acquisition operation of acquiring first information from a target criterion, a second information acquisition operation of acquiring second information from the target, and an information conversion operation of converting the second information acquired by the second information acquisition operation, into third information, with the first information acquired by the first information acquisition operation, the third information having a dimension different from respective dimensions of the first information and the second information; and perform control such that an information-acquisition condition in the first information acquisition operation is identical to an information-acquisition condition in the second information acquisition operation.

    PHOTOELECTRIC CONVERSION ELEMENT, IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND SIGNAL CONTROL METHOD
    37.
    发明申请
    PHOTOELECTRIC CONVERSION ELEMENT, IMAGE READING DEVICE, IMAGE FORMING APPARATUS, AND SIGNAL CONTROL METHOD 审中-公开
    光电转换元件,图像读取装置,图像形成装置和信号控制方法

    公开(公告)号:US20160006961A1

    公开(公告)日:2016-01-07

    申请号:US14745967

    申请日:2015-06-22

    摘要: A photoelectric conversion element comprises: a plurality of pixels, each of which performs photoelectric conversion and outputs an analog signal; an analog processing unit that sequentially processes, on a pixel-to-pixel basis, the analog signals output from a pixel group including the pixels; and a signal supply unit that supplies a signal needed for preliminary operation to the analog processing unit so as to enable the analog processing unit to perform the preliminary operation before the analog processing unit starts to process the analog signals output from the pixel group.

    摘要翻译: 光电转换元件包括:多个像素,每个像素执行光电转换并输出模拟信号; 模拟处理单元,其以像素为单位依次处理从包括像素的像素组输出的模拟信号; 以及信号提供单元,其向模拟处理单元提供预备操作所需的信号,以使得模拟处理单元能够在模拟处理单元开始处理从像素组输出的模拟信号之前执行预备操作。

    Photoelectric conversion element, image reading device, image forming apparatus, and image reading method
    38.
    发明授权
    Photoelectric conversion element, image reading device, image forming apparatus, and image reading method 有权
    光电转换元件,图像读取装置,图像形成装置和图像读取方法

    公开(公告)号:US09100533B2

    公开(公告)日:2015-08-04

    申请号:US14301488

    申请日:2014-06-11

    IPC分类号: H04N1/04 H04N1/10 H04N1/028

    摘要: A photoelectric conversion element includes: a plurality of light receiving elements that are arranged in a main-scanning direction, are arranged in a sub-scanning direction according to colors of light to be received, and accumulates electric charge due to light exposure; and a plurality of AD conversion units that convert analog signals that indicate quantities of electric charge accumulated in the light receiving elements into digital signals are provide for each of groups each consisting of a predetermined number of pixels corresponding to the light receiving elements arranged in the sub-scanning direction. The AD conversion units convert the analog signals into the digital signals in an order in which the light receiving elements in the group are exposed to light. The light receiving elements constitute a correction unit that performs correction so as to reduce a difference relating to the timings in the sub-scanning direction.

    摘要翻译: 光电转换元件包括:沿主扫描方向布置的多个光接收元件,按照要接收的光的颜色在副扫描方向上排列,并且由于曝光而积累电荷; 将表示在光接收元件中累积的电荷量的模拟信号转换为数字信号的多个AD转换单元,分别对应于配置在子信号中的受光元件的规定数量的像素构成 扫描方向。 AD转换单元按照组中的光接收元件暴露于光的顺序将模拟信号转换成数字信号。 光接收元件构成校正单元,其执行校正,以减少与副扫描方向上的定时有关的差异。

    Signal processing circuit, image scanner, and image forming apparatus
    39.
    发明授权
    Signal processing circuit, image scanner, and image forming apparatus 有权
    信号处理电路,图像扫描器和图像形成装置

    公开(公告)号:US09001346B2

    公开(公告)日:2015-04-07

    申请号:US13397100

    申请日:2012-02-15

    申请人: Masamoto Nakazawa

    发明人: Masamoto Nakazawa

    IPC分类号: G06K15/00 H04N1/00 H04N1/10

    摘要: A signal processing circuit includes a generator, a transmission unit, a control unit, and a mode selector. The generator generates a process-required signal. The transmission unit transmits the process-required signal to a unit disposed after the transmission unit. The control unit supplies respective control signal to the generator and transmission unit. The control unit includes a reference clock generator constantly operated for generating a reference clock signal when the signal processing circuit is operated. The mode selector selects and shifts an operating mode of the signal processing circuit between a first mode and a second mode. In the first mode, the generator and transmission unit are supplied with respective normal control signal from the control unit for a normal operation. In the second mode, the generator is supplied with a control signal different from the normal control signal, and the transmission unit is supplied with the same normal control signal.

    摘要翻译: 信号处理电路包括发生器,发送单元,控制单元和模式选择器。 发生器产生一个过程要求的信号。 发送单元将处理要求的信号发送到设置在发送单元之后的单元。 控制单元向发生器和发送单元提供相应的控制信号。 控制单元包括一个恒定运行的参考时钟发生器,用于在信号处理电路运行时产生参考时钟信号。 模式选择器在第一模式和第二模式之间选择和移动信号处理电路的操作模式。 在第一模式中,向发生器和发送单元提供来自控制单元的各自的正常控制信号用于正常操作。 在第二模式中,向发生器提供与正常控制信号不同的控制信号,并向发送单元提供相同的正常控制信号。

    Method and device for driving light source, image reader, and image forming apparatus
    40.
    发明授权
    Method and device for driving light source, image reader, and image forming apparatus 有权
    用于驱动光源,图像读取器和图像形成装置的方法和装置

    公开(公告)号:US08786916B2

    公开(公告)日:2014-07-22

    申请号:US13602552

    申请日:2012-09-04

    申请人: Masamoto Nakazawa

    发明人: Masamoto Nakazawa

    IPC分类号: H04N1/04

    摘要: A light-source driving device includes a driving unit configured to drive a light source unit that emits light onto an object; and a driving control unit configured to control the driving unit to drive the light source unit in a first driving mode and a second driving mode. A light emission time of the light source unit is controlled in the first driving mode. An instantaneous value of a quantity of light of the light source unit being controlled in the second driving mode.

    摘要翻译: 光源驱动装置包括:驱动单元,被配置为驱动将光发射到物体上的光源单元; 以及驱动控制单元,被配置为控制驱动单元以第一驱动模式和第二驱动模式驱动光源单元。 在第一驱动模式下控制光源单元的发光时间。 在第二驱动模式中控制光源单元的光量的瞬时值。