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11. 发明专利

JP2007170883A Test chart, image data, and image forming device and method 审中-公开
标题翻译：测试图，图像数据和图像形成装置和方法
公开(公告)号：JP2007170883A
公开(公告)日：2007-07-05
申请号：JP2005365758
申请日：2005-12-20
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KUBO MASAHIKO , KIKUCHI MICHIO , KOKATSU HITOSHI , SUGI SHINSUKE , TAKEBE YOSHIFUMI
IPC分类号： G01J3/52 , B41J2/525 , G03G15/00 , G06T1/00 , H04N1/46 , H04N1/60
摘要： PROBLEM TO BE SOLVED: To provide a test chart for preparing highly precise color conversion parameters.
SOLUTION: A printer device 10 arranges color patches (in the order of dot area rates) so that a change in area rate of adjoining color patches of similar colors (B-color or R-color) lessens in respective image areas, and prints a test image 8 with black color patches 804 inserted in positions (boundary positions between first and second image areas 80A and 80B) where adjoining color patches change in color. This can lessen a cavity effect since a change in area ratio is minor in each of image areas 80. Further, the size of the test image 8 (test chart) can be lessened while suppressing the cavity effect by disposing black patches only at positions where the constitution of color components greatly changes.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供制备高精度颜色转换参数的测试图表。解决方案：打印机装置10按照点面积率的顺序布置色块，使得各图像区域中相似颜色（B色或R色）的相邻色块的面积率的变化减小，并印刷测试图像8，该测试图像8插入有相邻色标改变颜色的位置（第一和第二图像区域80A和80B之间的边界位置）处的黑色色块804。这可以减小空腔效应，因为每个图像区域80中的面积比的变化较小。此外，可以减小测试图像8（测试图）的尺寸，同时通过将黑色斑块设置在仅限于颜色成分的构成大为改变。版权所有（C）2007，JPO＆INPIT

12. 发明专利

JP2007030301A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2007030301A
公开(公告)日：2007-02-08
申请号：JP2005215739
申请日：2005-07-26
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： TAKEBE YOSHIFUMI , KOKATSU HITOSHI , KUBO MASAHIKO , KIKUCHI MICHIO , SUGI SHINSUKE
IPC分类号： B41J29/46 , B41J2/525 , B41J29/38 , G03G15/00 , G03G21/00 , G06T5/00 , H04N1/407
摘要： PROBLEM TO BE SOLVED: To reduce time and labor when updating a correction parameter for correcting gradation.
SOLUTION: A profile forming section 220 forms a density correction profile based on an image for checking image quality read from an image input section. A profile analysis section 230 judges TRC data requiring updating by analyzing the density correction profile formed by the profile forming section 220. For example, a newly formed density correction profile is compared with the previously formed density correction profile, and then it is judged that the TRC data corresponding to an image region of which the profiles are different from each other is to be one requiring the updating. When the TRC data requiring the updating is determined, the profile analysis section 230 transmits identification information of the TRC data requiring the updating determined as the above to a TRC updating section 240. The TRC updating section 240 updates only the TRC data requiring the updating in the TRC data stored in a TRC section 210 based on the identification information of the TRC data transmitted from the profile analysis section 230.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了在更新用于校正灰度的校正参数时减少时间和劳动。解决方案：轮廓形成部分220基于用于检查从图像输入部分读取的图像质量的图像形成密度校正轮廓。轮廓分析部分230通过分析由轮廓形成部分220形成的密度校正轮廓来判断需要更新的TRC数据。例如，将新形成的密度校正轮廓与先前形成的密度校正轮廓进行比较，然后判断为对应于轮廓彼此不同的图像区域的TRC数据将是需要更新的图像区域。当确定需要更新的TRC数据时，简档分析部分230将需要如上所述确定的更新的TRC数据的标识信息发送到TRC更新部分240. TRC更新部分240仅更新需要更新的TRC数据基于从简档分析部230发送的TRC数据的识别信息存储在TRC部分210中的TRC数据。（C）2007年，JPO和INPIT

13. 发明专利

JP2006345436A IMAGE PROCESSOR AND IMAGE PROCESSING SYSTEM 审中-公开
公开(公告)号：JP2006345436A
公开(公告)日：2006-12-21
申请号：JP2005171465
申请日：2005-06-10
申请人： FUJI XEROX CO LTD
发明人： ISHII AKIRA , KUBO MASAHIKO
IPC分类号： H04N1/46 , G06T1/00 , H04N1/387 , H04N1/60
摘要： PROBLEM TO BE SOLVED: To unitarily compensate the nonuniformity of images depending on each of an image input device and an image output device. SOLUTION: Image data inputted from the image input device is analyzed by a data revision part, divided into resolution information, input color profile information, color nonuniformity information and scale-factor/precision information, the resolution information, the scale-factor/precision information and the image data are outputted to a resolution conversion part 22 and the input color profile information and the color nonuniformity information are outputted to a color conversion part 24. In addition, resolution information and nonuniformity information about scale-factor, precision corresponding to an image output device 14 to be outputted, which are stored in an output device information storage part 30 are outputted to the resolution conversion part 22 and output color profile information and color nonuniformity information are outputted to the color conversion part 24. Then, resolution conversion processing is performed by the resolution conversion part 22, nonuniformity of precision is compensated, color conversion processing is performed by the color conversion part 24, nonuniformity of colors is compensated and outputted to the image output device 14. COPYRIGHT: (C)2007,JPO&INPIT

14. 发明专利

JP2006343682A IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：JP2006343682A
公开(公告)日：2006-12-21
申请号：JP2005171467
申请日：2005-06-10
申请人： FUJI XEROX CO LTD
发明人： ARAI KAZUHIKO , KUBO MASAHIKO , SUGI SHINSUKE
IPC分类号： G03G15/00 , B41J2/525 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To obtain an image forming apparatus capable of improving the unevenness not only in primary color but also in multicolor over an entire density area. SOLUTION: Input image data is corrected according to a correction table by an image signal conversion part 60 and output to an image recording part 14. When forming the correction table used in the image signal conversion part 60, the first test image including a primary color test pattern and the second test image including a multicolor test pattern which are output from a test image data generation circuit 64 are printed on paper P, and read by an image reading part 12. A color separation processing part 61 color-separates the image data of the second multicolor test image to the primary color image data. A correction arithmetic calculation part 62 obtains the gradation characteristic at every pixel position based on each primary color image data, forms the correction table based on the gradation characteristic, and outputs it to the image signal conversion part 60. The image signal conversion part 60 corrects each color image data which is input by using the correction table and outputs it. COPYRIGHT: (C)2007,JPO&INPIT

15. 发明专利

JP2006262367A Image processing apparatus, image processing method, image processing program and storage medium 审中-公开
标题翻译：图像处理设备，图像处理方法，图像处理程序和存储介质
公开(公告)号：JP2006262367A
公开(公告)日：2006-09-28
申请号：JP2005080195
申请日：2005-03-18
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KUBO MASAHIKO
IPC分类号： H04N1/46 , B41J2/525 , G06T1/00 , H04N1/60
摘要： PROBLEM TO BE SOLVED: To reduce toner consumption without deteriorating the quality of image and graininess.
SOLUTION: A color table for the arbitrary combination of image recording signals CMYK of an image forming apparatus is outputted by an image forming apparatus, and its colorimetry value is measured (S100), and the corresponding relation of colorimetry values over image recording signals is modeled (S102). Next, input address values L
* a
* b
* are deserved, a maximum ink quantity and a minimum ink quantity are determined by using a printer model (S104), an ink quantity is determined so as to be intermediate between the maximum and minimum values by using a UCR function (S106), the input address value L
* a
* b
* and the ink quantity are inputted into the printer model, and is numerically resolved so that the combination of image recording signals CMY is computed so that a previously established color difference is satisfied (S108), and the combination of CMY is determined so that toner total amount (C+M+Y) becomes minimum (S110). Thus, a transfer characteristic determined by this process is used, and an L
* a
* b
* color signal is converted to an image recording signal CMYK.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：在不降低图像质量和颗粒性的情况下降低调色剂消耗。解决方案：用于图像形成装置的图像记录信号CMYK的任意组合的颜色表由图像形成装置输出，并且测量其比色值（S100），并且测量图像记录上的比色值的对应关系对信号进行建模（S102）。接下来，应当输入输入地址值L * a * b * ，通过使用打印机确定最大墨量和最小墨量型号（S104），通过使用UCR功能（S106），将墨量确定为最大值和最小值之间的中间，输入地址值L * a * < SP＆gt; b＆lt; SP＆gt; *＆lt; / SP＆gt;将墨量输入打印机型号，并进行数值分解，以便计算出图像记录信号CMY的组合，使得满足先前建立的色差（S108）并且确定CMY的组合使得调色剂总量（C + M + Y）变得最小（S110）。因此，使用通过该处理确定的传送特性，并且将颜色信号的颜色信号转换为图像记录信号 CMYK。版权所有（C）2006，JPO＆NCIPI

16. 发明专利

JP2005039584A Color image processing method, device, program and storage medium 有权
标题翻译：彩色图像处理方法，设备，程序和存储介质
公开(公告)号：JP2005039584A
公开(公告)日：2005-02-10
申请号：JP2003275252
申请日：2003-07-16
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KUBO MASAHIKO
IPC分类号： B41J2/525 , G06T1/00 , H04N1/46 , H04N1/60
摘要： PROBLEM TO BE SOLVED: To provide a color image processing method and device that can accord the amount of the black color of an input device with that of an output device and besides can output an expression composed with a solid-black color using solid-black color displaying as a color conversion processing for converting four color signals containing the black color into five to seven color signals containing the black color. SOLUTION: After converting YMCOGK color signals that has been input into L* a* b* color signals in a device independent color space converter 31, the L* a* b* color signals are converted into Y" M" C" color signals in a three primary color signal converter 34. On the other hand, black K signals that have been input are converted into K' signals in a color tone correcting section 23 so that the amount of the black color in the output device accords with the amount of the black color of itself. A black color amount subtractor 35 subtracts components corresponding to the K' signals from the Y" M" C" color signals, and further produces specific R' G' B' color signals in a chromatic UCR converting section to output also the Y" M" C" color signals. Further, on the other hand, when a nonblack color determining section 33 detects that signals other than the K signals is zero, a nonblack color corrector 37 renders signals other than the K' signals zero. An image recording signal outputting section 38 outputs Y' M' C' R' G' B' and K' signals. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够将输入装置的黑色量与输出装置的黑色量相一致的彩色图像处理方法和装置，并且还可以使用以下方式输出由实体黑色构成的表达：作为用于将包含黑色的四种颜色信号转换为包含黑色的五至七种颜色信号的颜色转换处理的固体黑色显示。解决方案：将在设备无关的色空间转换器31中输入的L * a * b *颜色信号中输入的YMCOGK颜色信号转换成L * a * b *颜色信号转换为Y“M”C“ 另一方面，已经输入的黑K信号在色调校正部分23中被转换为K'信号，使得输出装置中的黑色量符合黑色量减法器35从Y“M”C“颜色信号中减去与K'信号相对应的分量，并进一步在色UCR中产生特定的R'G'B'颜色信号另外，另一方面，当非黑色确定部分33检测到除了K信号之外的信号为零时，非黑色颜色校正器37呈现除了“ K'信号为零，图像记录信号输出s 输出38输出Y'M'C'R'G'B'和K'信号。版权所有（C）2005，JPO＆NCIPI

17. 发明专利

JP2004194042A Color image processing method, color image processor, color image processing program and storage medium 有权
标题翻译：彩色图像处理方法，彩色图像处理器，彩色图像处理程序和存储介质
公开(公告)号：JP2004194042A
公开(公告)日：2004-07-08
申请号：JP2002360445
申请日：2002-12-12
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KUBO MASAHIKO
IPC分类号： B41J2/525 , G06T1/00 , H04N1/46 , H04N1/54 , H04N1/60
CPC分类号： H04N1/54 , H04N1/6016
摘要： PROBLEM TO BE SOLVED: To provide a color image processing method capable of guaranteeing colorimetric color reproduction as a color conversion processing to an image output device using specified colors and expressing smooth gradation, and a color image processor. SOLUTION: In an ink amount/specified color amount decision part 31, an ink amount K and a specified color amount O are decided from inputted L * a * b * chrominance signals and transferred to a YMC decision part 32 and an image recording signal output part 33. The YMC decision part 32 decides YMC chrominance signals of the image output device 13 colorimetrically matching with the inputted L * a * b * chrominance signals on condition that the ink amount is K chrominance signals and the specified color amount is O chrominance signals from the inputted L * a * b * chrominance signals and KO chrominance signals inputted from the ink amount/specified color amount decision part 31 and transfers them to the image recording signal output part 33. The image recording signal output part 33 outputs the KO chrominance signals inputted from the ink amount/specified color amount decision part 31 and the YMC chrominance signals inputted from the YMC decision part 32. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种彩色图像处理方法，其能够将使用指定颜色并表现平滑灰度的图像输出装置的色彩再现作为颜色转换处理，以及彩色图像处理器。
解决方案：在墨量/指定颜色量判定部31中，从输入的L * a * b确定墨量K和指定颜色量O ＆lt; SP＆gt; *＆lt; / SP＆gt;色度信号并被传送到YMC判定部分32和图像记录信号输出部分33.YMC判定部分32决定与输入的L a * b * 从墨量/指定颜色量决定部31输入的SP> * a * b * 色度信号和KO色度信号，并将其转印到图像记录信号输出部分33.图像记录信号输出部分33输出从墨量/指定颜色量判定部分31输入的KO色度信号和YMC色度信号输入部分（YC）决定第32部分。（C）2004年，JPO＆NCIPI

18. 发明专利

JP2001352449A IMAGE-PROCESSING UNIT AND IMAGE-FORMING DEVICE 失效
公开(公告)号：JP2001352449A
公开(公告)日：2001-12-21
申请号：JP2000173198
申请日：2000-06-09
申请人： FUJI XEROX CO LTD
发明人： KUBO MASAHIKO
IPC分类号： B41J2/52 , G03G15/00 , G03G15/01 , G06T5/00 , H04N1/29 , H04N1/407
摘要： PROBLEM TO BE SOLVED: To properly process image data realized in terms of signals of an image formed by pixels arranged two-dimensionally and to reduce the cost of an image-forming device. SOLUTION: A correction value storage means 34 stores correction value to correct image data as to positions on a two-dimensional coordinate, set at an interval larger than that of pixels arranged two-dimensionally. A correction value interpolating means 35 applies interpolation arithmetic operations to correction values, at positions other than the positions whose correction values are stored. A correction arithmetic means 36 uses the correction values to apply proper correction to all pixels of the image data received from an image input device 10. A correction value updating means 33 can properly update the correction values stored in the correction value storage means, and by measuring the density of an image actually outputted from an image output device 40 by a sensor 42 the new correction values can be decided based on it.

19. 发明专利

JP2001169131A METHOD AND DEVICE FOR COLOR IMAGE PROCESSING 失效
公开(公告)号：JP2001169131A
公开(公告)日：2001-06-22
申请号：JP35393699
申请日：1999-12-14
申请人： FUJI XEROX CO LTD
发明人： KUBO MASAHIKO
IPC分类号： B41J2/525 , G06T1/00 , H04N1/46 , H04N1/60
摘要： PROBLEM TO BE SOLVED: To match colorimetric colors of input and output colors with each other after making the black quantity of print and that of output coincide with each other. SOLUTION: A device is provided with a device-independent color space conversion part 241, which obtains a device-independent color signal on display color system color coordinates from a first color signal, a gradation correction part 242 which determines a black signal of the second color signal, which represents a density equal or approximating that of the black signal of the first color signal, and a YMC determination part 243 which determines three other variable color signals of the second color signal in accordance with the black signal of the second color signal and the device-independent color signal, so that they are colorimetrically equivalent.

20. 发明专利

JP2000278539A IMAGE PROCESSOR AND IMAGE FORMING SYSTEM 失效
公开(公告)号：JP2000278539A
公开(公告)日：2000-10-06
申请号：JP7715399
申请日：1999-03-23
申请人： FUJI XEROX CO LTD
发明人： KUBO MASAHIKO , MATSUMOTO MITSUHIRO , SHINOHARA KOICHIRO , IWAOKA KAZUHIRO
IPC分类号： H04N1/60 , G03G15/01 , G03G15/16 , G03G15/20 , G03G15/24 , G06T1/00 , H04N1/46
摘要： PROBLEM TO BE SOLVED: To obtain an image without causing any density reduction at a color background part around a character line image in an image processor used for a color image forming device of a simultaneous transfer and fixation type. SOLUTION: In a maximum ink amount decision means 221, the maximum ink amount Kmax required for reproducing L*, a*, b* data is decided from the L*, a*, b* data obtained from a first color conversion means 210. In an ink amount decision means 224, from lightness signals L* from the first color conversion means 210, saturation signals C* from a saturation calculation means 223 and the maximum ink amount Kmax decided in the maximum ink amount decision means 221, an ink amount K is decided by K=α.βKmax. An inking rate relating to lightness is denoted by α, is turned to 100% when the L* is equal to or less than 15 and 0% when the L* is equal to or more than 50 and is made larger as the L* is smaller when the L* is 15-50. The inking rate relating to saturation is denoted by β, is turned to 100% when the C* is 0 and 0% when the C* is equal to or more than 40 and is made larger as the C* is smaller when the C* is 0-40.

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