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    • 3. 发明申请
    • APPARATUS AND METHOD FOR IMAGE INTERPOLATION BASED ON LOW PASS FILTERING
    • 基于低通滤波的图像插值的装置和方法
    • US20090238488A1
    • 2009-09-24
    • US12407900
    • 2009-03-20
    • Paik Joon-KiYoon-Jong YooJin-Young YounDong-Gyun KimJeong-Ho Shin
    • Paik Joon-KiYoon-Jong YooJin-Young YounDong-Gyun KimJeong-Ho Shin
    • G06K9/40G06K9/32
    • G06T3/403
    • An apparatus and method for image interpolation based on low pass filtering are provided. The apparatus includes an edge direction detector detecting an edge direction for a pixel nearest to a to-be-interpolated pixel among pixels and determining the edge direction of the to-be-interpolated pixel as the detected edge direction, a pixel value calculator calculating pixel values of interpolation points located in a lattice filtering window having a predetermined size by using pixel values of pixels located adjacent to the interpolation points, and a filtering unit performing low pass filtering on the to-be-located pixel according to a low pass filter corresponding to the determined edge direction of the to-be-interpolated pixel, the low pass filter being one of low pass filters corresponding to predetermined vertical, horizontal, left diagonal and right diagonal directions respectively. Accordingly, a process of calculating the pixel value of the to-be-interpolated pixel can be simplified and a processing speed can be increased. Furthermore, it is possible to obtain a high-quality image without having image deterioration such as blocking effect caused by an error in a pixel value even for a region with an uneven edge.
    • 提供了一种基于低通滤波的图像插值装置和方法。 该装置包括边缘方向检测器,用于检测像素之中最接近待插入像素的像素的边缘方向,并确定待插值像素的边缘方向作为检测到的边缘方向;像素值计算器计算像素 通过使用位于与内插点相邻的像素的像素值,位于具有预定尺寸的格子滤波窗口中的内插点的值;以及滤波单元,根据对应的低通滤波器对待定位的像素执行低通滤波 对于待内插像素的确定的边缘方向,低通滤波器分别对应于预定的垂直,水平,左对角线和右对角线方向之一的低通滤波器之一。 因此,可以简化计算待内插像素的像素值的处理,并且可以提高处理速度。 此外,即使对于具有不均匀边缘的区域,也可以获得高质量的图像而不具有像素值的误差引起的诸如阻塞效果的图像劣化。
    • 4. 发明授权
    • Apparatus for sensing the feeding of sheets of paper
    • 用于感测纸张进给的装置
    • US06705609B2
    • 2004-03-16
    • US10115612
    • 2002-04-02
    • Dong-gyun Kim
    • Dong-gyun Kim
    • B65H712
    • B65H7/12B65H2511/13B65H2511/212B65H2511/524B65H2553/22B65H2701/1912B65H2220/01B65H2220/03B65H2220/11
    • Disclosed is an apparatus for sensing the feeding of individual sheets of paper in which the feeding of two or more overlapping sheets can be detected in a sheet feeding apparatus for continuously transferring sheets of paper one by one along a predetermined paper traveling path. The apparatus employs a support plate which allows the sheets of paper to slide, and a contact arm adapted to contact the support plate and to be moved upward by a height corresponding to the thickness of the sheet of paper when the sheet of paper passes between the support plate and the contact arm, instead of using an expensive rollers, bearings or the like as a means for sensing the thickness of a sheet of paper being fed. Accordingly, the rotational angle of the contact arm enables the thickness of a sheet of paper being fed to be sensed, so that the feeding of two or more overlapping sheets of paper between a driving roller and a driven roller is always detected correctly and reliably even when foreign matter is stuck to the rollers. Further, the paper feed sensing apparatus has a simple structure and malfunctions less.
    • 公开了一种用于感测馈送单张纸的设备,其中可以在用于沿着预定的纸张传送路径一个接一张地连续传送纸张的供纸设备中检测到两个或更多个重叠片材的供给。 该装置采用允许纸张滑动的支撑板,以及接触臂,其适于接触支撑板并且当纸张在纸张之间通过时向上移动与纸张的厚度相对应的高度 支撑板和接触臂,而不是使用昂贵的辊子,轴承等作为用于感测供给的纸张的厚度的装置。 因此,接触臂的旋转角度使得能够感测馈送的纸张的厚度,使得在驱动辊和从动辊之间的两个或更多个重叠的纸张的供给总是被正确地和可靠地均匀地检测 当异物粘在滚筒上时。 进纸检测装置结构简单,故障少。
    • 5. 发明授权
    • Water tank
    • 水箱
    • US06739469B1
    • 2004-05-25
    • US10130619
    • 2002-05-17
    • Dong Gyun Kim
    • Dong Gyun Kim
    • B65D600
    • B65D88/08B65D90/023B65D90/024E03B11/10Y02A20/104
    • A water tank made of stainless steel and having a substantially cylindrical shape is provided. The water tank comprises curved stainless steel panels forming a cylindrical body of the water tank, fan-shaped stainless steel panels forming a cone-shaped top part and a cone-shaped bottom part of the water tank, packing members being inserted between connecting portions of the stainless steel panels, reinforcing members, each having an L-shaped cross-section, which are arranged on both side of the connecting portions, bolts and nuts for coupling the stainless steel panels and the reinforcing members together by being inserted into holes formed thereon, reinforcing bars, an air vent disposed on the center portion of the top part, and a drain pipe disposed on the center portion of the bottom part.
    • 提供由不锈钢制成并具有大致圆筒形状的水箱。 水箱包括形成水箱的圆柱体的弯曲不锈钢板,形成锥形顶部的扇形不锈钢板和水箱的锥形底部,密封件插入在水箱的连接部分之间 布置在连接部分两侧的不锈钢板,加强件均具有L形横截面,用于将不锈钢板和加强件连接在一起的螺栓和螺母插入到形成在其上的孔中 ,钢筋,设置在顶部的中心部分上的排气口和设置在底部的中心部分上的排水管。
    • 9. 发明授权
    • Apparatus and method for image interpolation based on low pass filtering
    • 基于低通滤波的图像插值装置和方法
    • US08208748B2
    • 2012-06-26
    • US12407900
    • 2009-03-20
    • Paik Joon-KiYoon-Jong YooJin-Young YounDong-Gyun KimJeong-Ho Shin
    • Paik Joon-KiYoon-Jong YooJin-Young YounDong-Gyun KimJeong-Ho Shin
    • G06K9/40G06K9/32
    • G06T3/403
    • An apparatus and method for image interpolation based on low pass filtering are provided. The apparatus includes an edge direction detector detecting an edge direction for a pixel nearest to a to-be-interpolated pixel among pixels and determining the edge direction of the to-be-interpolated pixel as the detected edge direction, a pixel value calculator calculating pixel values of interpolation points located in a lattice filtering window having a predetermined size by using pixel values of pixels located adjacent to the interpolation points, and a filtering unit performing low pass filtering on the to-be-located pixel according to a low pass filter corresponding to the determined edge direction of the to-be-interpolated pixel, the low pass filter being one of low pass filters corresponding to predetermined vertical, horizontal, left diagonal and right diagonal directions respectively. Accordingly, a process of calculating the pixel value of the to-be-interpolated pixel can be simplified and a processing speed can be increased. Furthermore, it is possible to obtain a high-quality image without having image deterioration such as blocking effect caused by an error in a pixel value even for a region with an uneven edge.
    • 提供了一种基于低通滤波的图像插值装置和方法。 该装置包括边缘方向检测器,用于检测像素之中最接近待插入像素的像素的边缘方向,并确定待插值像素的边缘方向作为检测到的边缘方向;像素值计算器计算像素 通过使用位于与内插点相邻的像素的像素值,位于具有预定尺寸的格子滤波窗口中的内插点的值;以及滤波单元,根据对应的低通滤波器对待定位的像素执行低通滤波 对于待内插像素的确定的边缘方向,低通滤波器分别对应于预定的垂直,水平,左对角线和右对角线方向之一的低通滤波器之一。 因此,可以简化计算待内插像素的像素值的处理,并且可以提高处理速度。 此外,即使对于具有不均匀边缘的区域,也可以获得高质量的图像而不具有像素值的误差引起的诸如阻塞效果的图像劣化。