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    • 57. 发明授权
    • Image processing apparatus, and color correction method and lookup table
    • 图像处理装置,颜色校正方法和查找表
    • US07599552B2
    • 2009-10-06
    • US10736498
    • 2003-12-17
    • Manabu Yamazoe
    • Manabu Yamazoe
    • G06K9/00
    • H04N1/6005H04N1/646
    • In a color conversion method of inputting at least two color difference values and obtaining a corresponding saturation value, a main lookup table which stores the saturation value for the color difference values, and a sub-lookup table for obtaining an address for accessing the main lookup table, are created. An address to be used in accessing the main lookup table is determined on the basis of the sub-lookup table and the difference between the two color difference values, in correspondence with two arbitrary color difference values. A saturation value corresponding to the two color difference values is obtained from the determined address of the main lookup table.
    • 在输入至少两个色差值并获得相应的饱和度值的颜色转换方法中,存储色差值的饱和度值的主查找表以及用于获取访问主查询的地址的子查找表 表,被创建。 基于子查找表和与两个任意色差值对应的两个色差值之间的差来确定用于访问主查找表的地址。 从确定的主查找表的地址获得对应于两个色差值的饱和度值。
    • 59. 发明授权
    • Image processing apparatus and method
    • 图像处理装置及方法
    • US07158671B2
    • 2007-01-02
    • US10391579
    • 2003-03-20
    • Manabu YamazoeYuji Akiyama
    • Manabu YamazoeYuji Akiyama
    • G06K9/00
    • H04N1/6075H04N1/6077
    • The color reproduction performance of image input/output devices has been improved greatly and even very slight changes in color ascribable to a color balance correction are recognizable. As a consequence, there are cases where a specific color shift, such as a color shift in the yellow or blue direction, gives a disagreeable sensation when applied with regard to a slight color change in the color of the human skin, which is a memory color. Accordingly, highlight and shadow points are detected based upon the histogram of an image, color information of the highlight and shadow points is revised by adjusting average color difference information based upon a hue angle acquired from average color difference information of image data having luminance levels of the highlight and shadow points, and the image is corrected based upon the revised color information of the highlight and shadow points.
    • 图像输入/输出装置的色彩再现性能已经大大提高,并且由于颜色平衡校正引起的颜色的甚至非常轻微的变化是可识别的。 因此,当应用于作为记忆的人体皮肤的颜色的轻微颜色变化时,存在诸如黄色或蓝色方向之间的颜色偏移的特定色移给出不愉快的感觉的情况 颜色。 因此,基于图像的直方图检测突出显示和阴影点,通过基于从具有亮度和亮度的图像数据的图像数据的平均色差信息获得的色调角调整平均色差信息来修正高光和阴影点的颜色信息, 高光和阴影点,并且基于修改的高光和阴影点的颜色信息来校正图像。
    • 60. 发明授权
    • Ink jet recording apparatus
    • 喷墨记录装置
    • US06912063B1
    • 2005-06-28
    • US09636463
    • 2000-08-11
    • Kosuke YamamotoHiroshi NakaiShusuke InamuraMasayuki HongoKenichi MoriyaManabu Yamazoe
    • Kosuke YamamotoHiroshi NakaiShusuke InamuraMasayuki HongoKenichi MoriyaManabu Yamazoe
    • B41J3/44B41J2/01B41J5/30G06K15/00G06K15/10
    • G06K15/102G06K15/1817G06K15/1822G06K15/1855G06K15/1856
    • An ink jet recording apparatus for recording by discharging ink from nozzles of a recording head to a recording medium comprises a figure recording control section for executing recording control of figure draw commands for ruled lines and other figures, and a bitmap recording control section for executing recording control of draw commands other than the figure draw commands by developing bitmaps. For this ink jet recording apparatus, draw commands are individually controlled by the recording control sections, respectively, and at the same time, recording is performed by relatively moving in the intersecting two directions a recording head for discharging ink by the draw commands, and a recording medium held by a recording medium holding unit in the position facing the ink discharge surface of the recording head. With the structure thus arranged, it becomes possible to materialize an ink jet recording apparatus which can output high quality images while neither creating deviating seams of ruled lines to the left or right nor creating black strips or white strips.
    • 一种用于通过从记录头的喷嘴将墨排放到记录介质上来进行记录的喷墨记录装置包括图形记录控制部分,用于执行用于划线和其它图形的图形绘制命令的记录控制,以及位图记录控制部分,用于执行记录 通过开发位图来控制绘图命令以外的图形绘制命令。 对于该喷墨记录装置,分别由记录控制部分分别控制绘制命令,同时通过相互向两个方向相对移动来执行用于通过绘制命令排出墨水的记录头的记录,以及 由记录介质保持单元保持在与记录头的排墨表面相对的位置的记录介质。 利用如此布置的结构,可以实现能够输出高质量图像的喷墨记录装置,而不会向左或向右产生划线的偏移接缝,也不产生黑色条或白色条。