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    • 5. 发明授权
    • Image processing device for video noise reduction
    • 用于视频降噪的图像处理装置
    • US08929675B2
    • 2015-01-06
    • US13344069
    • 2012-01-05
    • Toshiyuki OnoToshimitsu KanekoNobuyuki MatsumotoTakashi Ida
    • Toshiyuki OnoToshimitsu KanekoNobuyuki MatsumotoTakashi Ida
    • G06K9/40H04N5/14H04N5/21
    • H04N5/144H04N5/21
    • An image processing device includes an estimator, a first calculator, a selector, a determination module, and a third calculator. The estimator estimates a motion vector to reference images of an input video from a target pixel of a process target image. The first calculator calculates candidate pixel values corresponding to positions in the reference images. The selector selects a motion vector for which the error is small as many as the number smaller than the number of motion vectors acquired for the target pixel. The determination module determines the candidate pixel values corresponding to the selected motion vectors. The third calculator calculates a pixel value after correction of the target pixel from an arithmetic average or a weighted sum of the candidate pixel value determined equal to or less than the reference and the pixel value of the target pixel.
    • 图像处理装置包括估计器,第一计算器,选择器,确定模块和第三计算器。 估计器估计运动矢量以从进程目标图像的目标像素参考输入视频的图像。 第一计算器计算与参考图像中的位置相对应的候选像素值。 选择器选择误差小于为目标像素获得的运动矢量数量的数量小的运动矢量。 确定模块确定与所选择的运动矢量对应的候选像素值。 第三计算器从确定等于或小于参考的候选像素值的算术平均值或目标像素的像素值的像素值计算目标像素的校正后的像素值。
    • 7. 发明授权
    • Ink jet printing apparatus and ink jet printing method
    • 喷墨打印设备和喷墨打印方法
    • US08167402B2
    • 2012-05-01
    • US11617208
    • 2006-12-28
    • Yoshinori MisumiNobuyuki MatsumotoHiroyuki Murayama
    • Yoshinori MisumiNobuyuki MatsumotoHiroyuki Murayama
    • B41J2/165
    • B41J2/16526B41J2/2132
    • In a structure in which a printing medium is subjected to a maintenance ejection in order to maintain a favorable ink ejection performance of a printing head, dots formed on the printing medium by the maintenance ejection have a reduced visibility. Specifically, an area of dots formed by landing ink droplets ejected from the printing head for the maintenance ejection onto the printing medium is smaller than an area of similar dots formed by a normal printing. Specifically, by flowing currents having different waveforms into an ejection heater of the printing head depending on the ejection for printing an image and the maintenance ejection, an area of dots formed by the maintenance ejection can be smaller than an area of dots formed by the normal ejection for printing an image.
    • 在打印介质进行维护喷射以保持打印头的良好的喷墨性能的结构中,通过维护喷射形成在打印介质上的点具有降低的可视性。 具体地说,将从用于保持喷射的打印头喷射的墨滴着墨到打印介质上形成的点的面积小于通常打印形成的类似点的面积。 具体而言,根据用于打印图像的喷射和维护喷射,通过将具有不同波形的电流流向打印头的喷射加热器,由维护喷射形成的点的面积可以小于由正常形成的点的面积 弹出打印图像。
    • 8. 发明授权
    • Method of cleaning head and inkjet recording apparatus
    • 清洁头和喷墨记录装置的方法
    • US08157349B2
    • 2012-04-17
    • US11767830
    • 2007-06-25
    • Mikio SanadaNobuyuki MatsumotoNoribumi Koitabashi
    • Mikio SanadaNobuyuki MatsumotoNoribumi Koitabashi
    • B41J2/165
    • B41J2/16538
    • A method of a cleaning of an ejection face by supplying a head liquid on the face of an inkjet head provided with ink ejection openings and then by performing a wiping operation. Sufficient cleaning is achieved by appropriately specifying relative relationships among the surface tensions of the face, the ink and the head liquid, and by efficiently and surely removing an ink residue from the face. By supplying the head liquid to the ink residue on the face, both are mixed with each other, and thereby the ink residue is incorporated into the head liquid. In this respect, by using the ink and the head liquid both having a surface tension higher than that of the face, a wetting of a dissolved matter of the ink residue with respect to the face is reduced, and the dissolved matter of the ink residue is smoothly moved by the wiping operation.
    • 通过在设置有喷墨口的喷墨头的表面上提供头部液体,然后进行擦拭操作来清洁喷射面的方法。 通过适当地确定表面,油墨和头部液体的表面张力之间的相对关系,并且有效地且可靠地从面部除去油墨残留物,可以实现足够的清洁。 通过将头部液体供给到面部上的墨水残余物,两者彼此混合,从而将墨水残余物并入头部液体中。 在这方面,通过使用具有比表面张力高的表面张力的油墨和头部液体,相对于面部的油墨残留物的溶解物质的润湿性降低,并且油墨残留物的溶解物质 通过擦拭操作顺利地移动。
    • 9. 发明申请
    • IMAGE PROCESSING SYSTEM AND IMAGE SCANNING APPARATUS
    • 图像处理系统和图像扫描装置
    • US20110228343A1
    • 2011-09-22
    • US12880705
    • 2010-09-13
    • Kenzo IsogawaYasunori TaguchiNao MishimaNobuyuki Matsumoto
    • Kenzo IsogawaYasunori TaguchiNao MishimaNobuyuki Matsumoto
    • H04N1/409H04N1/04
    • H04N1/4092
    • In one embodiment, an image data acquisition unit, a filter setting unit and a filtering processor are provided. The image data acquisition unit acquires pixel data of first image data of an erect image obtained by a line sensor comprising a plurality of light receiving elements. The erect image is formed by a plurality of gradient index lenses of a lens array. The filter setting unit sets sharpening filter coefficients of a filter to be applied to the pixel data of the first image data corresponding to the respective light receiving elements, according to remainder values obtained respectively by dividing positions of the light receiving elements on the line sensor by an interval of a lens arrangement of the lens array. The filtering processor generates second image data sharpened by applying the obtained sharpening filter coefficients to the respective pixel data of the first image data.
    • 在一个实施例中,提供了图像数据获取单元,滤波器设置单元和滤波处理器。 图像数据获取单元获取由包括多个光接收元件的线传感器获得的直立图像的第一图像数据的像素数据。 直立图像由透镜阵列的多个渐变折射率透镜形成。 滤波器设定单元根据通过将线传感器上的受光元件的位置分割为线间传感器的位置而得到的余数值,设定要应用于与各光接收元件对应的第一图像数据的像素数据的滤波器的锐化滤波器系数 透镜阵列的透镜布置的间隔。 滤波处理器通过将获得的锐化滤波器系数应用于第一图像数据的各个像素数据来产生锐化的第二图像数据。