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    • 32. 发明专利
    • Printing control apparatus, printing system, and printing control program
    • 打印控制装置,打印系统和打印控制程序
    • JP2009230739A
    • 2009-10-08
    • JP2008306767
    • 2008-12-01
    • Seiko Epson Corpセイコーエプソン株式会社
    • ITO TAKASHIHOSHII ATSUSHI
    • G06F3/12
    • H04N1/54H04N1/6019H04N1/6033
    • PROBLEM TO BE SOLVED: To provide a printing control apparatus, a printing system, and a printing control program for efficiently achieving reproduction with high precision. SOLUTION: In a step S430, the MRA P3a6 calculates a correction target spectral reflectivity R tm (λ)=äR t (λ)-ΔR(λ)} by subtracting the deviation ΔR(λ) from the target spectral reflectivity R t (λ). When the correction target spectral reflectivity R tm (λ) is obtained, the ICM P3a1 performs processing for calculating an ink amount set capable of reproduction of the spectral reflectivity R(λ) that is the same as the correction target spectral reflectivity R tm (λ) by use of the RPM P3a2 and the ECM P3a3 as in Step S230 described above. That is, by setting a function replacing the target spectral reflectivity R t (λ) of the evaluation value E(ϕ) with the correction target spectral reflectivity R tm (λ) as an object function, an optimum solution of the ink amount set ϕ minimizing the object function is calculated (re-predicted). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于高精度高效地实现再现的打印控制装置,打印系统和打印控制程序。 解决方案:在步骤S430中,MRA P3a6计算校正目标光谱反射率R< SB>(λ)=äR(λ)-ΔR(λ)} 通过从目标光谱反射率R (λ)减去偏差ΔR(λ)。 当获得校正目标光谱反射率R tm(λ)时,ICM P3a1执行用于计算能够再现与校正相同的光谱反射率R(λ)的墨量设置的处理 通过使用如上所述的步骤S230中的RPM P3a2和ECM P3a3的目标光谱反射率R tm (λ)。 也就是说,通过用校正目标光谱反射率R tm(λ)设置代替评估值E(φ)的目标光谱反射率R t(λ)的函数, 作为目标函数,计算(重新预测)最小化对象函数的墨量设定φ的最优解。 版权所有(C)2010,JPO&INPIT
    • 34. 发明专利
    • Image processor and image processing method
    • 图像处理器和图像处理方法
    • JP2008048261A
    • 2008-02-28
    • JP2006223212
    • 2006-08-18
    • Konica Minolta Business Technologies Incコニカミノルタビジネステクノロジーズ株式会社
    • HIGASHIURA ISANORI
    • H04N1/46G06T1/00H04N1/60
    • H04N1/6019
    • PROBLEM TO BE SOLVED: To perform highly accurate color conversion while holding the continuity of output data values.
      SOLUTION: A color conversion section 12 after reading a three-dimensional LUT corresponding to a color Y among Y, M, C, and K out of a storage part 3 specifies an interpolating arithmetic operation point corresponding to input image data in the three-dimensional LUT (step S1), retrieves primary neighboring points and secondary neighboring points for the interpolating arithmetic operation point (step S2). Namely, while a coordinate position specified with pixel values (R value, G value, and B value) of one pixel of the input image data is determined as the interpolating arithmetic operation point in three-dimensional color space, eight grating points which are closest to the interpolating arithmetic operation point are retrieved as primary neighboring points and 24 grating points which are close secondly are retrieved as secondary neighboring points. When the primary neighboring points and secondary neighboring points are retrieved, distances between the respective primary neighboring points and secondary neighboring points, and the interpolating arithmetic operation point S are calculated (step S3). The respective calculated distances and grating point data of the primary neighboring points and secondary neighboring points are used to calculate output data OUT at the interpolating arithmetic operation point S (step S4).
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:在保持输出数据值的连续性的同时执行高精度的颜色转换。 解决方案:在存储部分3中读取与Y,M,C和K中的Y之间的颜色Y相对应的三维LUT之后的颜色转换部分12指定对应于输入图像数据的内插算术运算点 三维LUT(步骤S1),检索用于内插算术运算点的主相邻点和次相邻点(步骤S2)。 也就是说,在将输入图像数据的一个像素的像素值(R值,G值和B值)指定的坐标位置确定为三维色彩空间中的内插算术运算点时,最接近的八个光栅点 检索到内插算术运算点作为主相邻点,并且二次关闭的24个光栅点被检索为次相邻点。 当检索主相邻点和次相邻点时,计算各个主相邻点和次相邻点之间的距离以及内插算术运算点S(步骤S3)。 使用主相邻点和次相邻点的相应计算距离和光栅点数据来计算内插算术运算点S处的输出数据OUT(步骤S4)。 版权所有(C)2008,JPO&INPIT
    • 35. 发明专利
    • Image processor, printer driver, printing system, and program
    • 图像处理器,打印机驱动程序,打印系统和程序
    • JP2007142797A
    • 2007-06-07
    • JP2005333762
    • 2005-11-18
    • Seiko Epson Corpセイコーエプソン株式会社
    • ANDO AKIHISAHYOGO MASAKIHISAMATSU YUTAKAWANIBUCHI HIROSHI
    • H04N1/405B41J2/52G06F3/12
    • H04N1/4052H04N1/6019
    • PROBLEM TO BE SOLVED: To provide an image processing apparatus or the like, capable of preventing degrading of image quality at switching of data buffers.
      SOLUTION: The image processing apparatus includes a first halftone processing means 110 for applying half-tone processing to each of partial image data by using the error diffusion method; a second half-tone processing means 120 for applying error calculation half-tone processing to a tip part of each of the partial image data prior to the first half-tone processing; two error buffers 35a, 35b for storing errors by the first half-tone processing in succession to earlier errors by the second half-tone processing, and two data buffers 36a, 36b for storing processing results by the first half-tone processing, and the first half-tone processing means uses the errors stored earlier in the two error buffers, to start half-tone processings of the partial image data.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供能够防止数据缓冲器切换时图像质量降低的图像处理装置等。 解决方案:图像处理装置包括:通过使用误差扩散方法对每个部分图像数据应用半色调处理的第一半色调处理装置110; 第二半色调处理装置120,用于在第一半色调处理之前对每个部分图像数据的尖端部分应用误差计算半色调处理; 用于通过第二半色调处理连续地存在早期错误的第一半色调处理的错误的两个错误缓冲器35a,35b以及用于通过第一半色调处理来存储处理结果的两个数据缓冲器36a,36b, 第一半色调处理装置使用早先存储在两个错误缓冲器中的错误来开始部分图像数据的半色调处理。 版权所有(C)2007,JPO&INPIT
    • 36. 发明专利
    • Method for preparing color conversion table, and image processor
    • 制备颜色转换表的方法和图像处理器
    • JP2006048420A
    • 2006-02-16
    • JP2004229357
    • 2004-08-05
    • Canon Incキヤノン株式会社
    • KAWAI YOSHITOKU
    • G06T1/00H04N1/46H04N1/60
    • H04N1/6019
    • PROBLEM TO BE SOLVED: To effectively shorten retrieving time of a point where the color difference from a target color corresponding to a lattice point becomes minimum in the preparation of a color conversion table.
      SOLUTION: By using the first preceding color processing table which is previously prepared, a succeeding RGB value 501 corresponding to a target color of a prescribed lattice point constituting the second preceding color conversion table is found out by interpolation calculation. Namely interpolating operation using respective lattice point data (succeeding RGB values) of a plurality of lattice points around the first preceding color processing table is performed in accordance with a position in the first preceding color processing table that is occupied by the prescribed lattice point which is a noticed lattice point concerned with processing, and then the succeeding RGB value 501 corresponding to the notices lattice point is found out. Then a nearby area 502 to the obtained succeeding RGB value 501 is set and the succeeding RGB value 503 most approximate to the target color is found out from all succeeding RGB values included in the nearby area 502 as the lattice point data of the noticed lattice point.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:在准备颜色转换表时,有效地缩短与对应于点阵点的目标颜色的色差最小的点的检索时间。 解决方案:通过使用预先准备的第一个前一个颜色处理表,通过内插计算找出与构成第二个前一个颜色转换表的规定格子点的目标色相对应的后续RGB值501。 即,使用第一前一色处理表周围的多个格子点的各个格点数据(后续RGB值)进行内插操作,根据第一前一颜色处理表中由规定的格点所占据的位置 关注处理的注意格子点,然后找出对应于通知格点的后续RGB值501。 然后,将所获取的后续RGB值501的附近区域502设置为与附近区域502中包括的所有后续RGB值最接近的目标颜色的后续RGB值503作为注意格点的点阵数据 。 版权所有(C)2006,JPO&NCIPI
    • 37. 发明专利
    • Profile generating device, profile generating method, profile generating program, print control unit, print control method, and print control program
    • 配置文件生成设备,配置文件生成方法,配置文件生成程序,打印控制单元,打印控制方法和打印控制程序
    • JP2005348052A
    • 2005-12-15
    • JP2004164781
    • 2004-06-02
    • Seiko Epson Corpセイコーエプソン株式会社
    • ITO TAKASHIFUJINO MAKOTO
    • G06T1/00H03L7/00H04N1/46H04N1/60
    • H04N1/603H04N1/6019
    • PROBLEM TO BE SOLVED: To provide a technology for interpolating calculation at high precision and by high speed calculation, capable of settling the problem of inability of generating a color conversion table for high precision color conversion. SOLUTION: When generating a profile which is referred to at conversion for different color systems, an output color data is obtained in which predetermined first and second color component data correspond to its output color. An interpolation function is generated based on the output color data for the first color component data. The interpolation function is corrected so that the interpolation result for the second color component data almost agrees with the output color data for the second color component data. A profile is generated based on the corrected interpolation function. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供高精度和高速计算的内插计算技术,能够解决不能生成用于高精度颜色转换的颜色转换表的问题。 解决方案:当生成在不同颜色系统的转换时参考的简档时,获得输出颜色数据,其中预定的第一和第二颜色分量数据对应于其输出颜色。 基于第一颜色分量数据的输出颜色数据生成内插函数。 内插函数被校正,使得第二颜色分量数据的插值结果几乎与第二颜色分量数据的输出颜色数据一致。 基于校正的插值函数生成简档。 版权所有(C)2006,JPO&NCIPI
    • 40. 发明专利
    • Color conversion device, image-forming device, and color conversion program
    • 彩色转换装置,图像形成装置和颜色转换程序
    • JP2004328485A
    • 2004-11-18
    • JP2003122126
    • 2003-04-25
    • Brother Ind Ltdブラザー工業株式会社
    • UKAI NAOKIUEDA MASASHIKONDO MAKI
    • B41J2/525G06F3/12G06T1/00H04N1/46H04N1/60
    • H04N1/6019
    • PROBLEM TO BE SOLVED: To provide a color conversion device for improving the reproducibility of gray and reduce the generation of a geometrical pattern, and to provide an image forming device and a color conversion program. SOLUTION: When a process of color conversion is executed, whether a CMYK conversion directing flag Fc is set is determined, at first in S11. When it is determined that Fc has been set (S11:YES), the process is shifted to S12, and data in an RGB→CMYK conversion table are read, and cubic interpolation processing is carried out in S13. When it is determined that the Fc has been not set (S11:NO), the processing is shifted to S14, and data in an RGB→RGB conversion table are read, and the processing of triangular gimlet interpolation is carried out in S15. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于提高灰度的再现性并减少几何图案的产生的颜色转换装置,并且提供图像形成装置和颜色转换程序。 解决方案:当执行颜色转换处理时,首先确定是否设置CMYK转换指示标志Fc。 当确定已经设置了Fc(S11:是)时,处理转移到S12,并且读取RGB→CMYK转换表中的数据,并且在S13中执行三次插值处理。 当确定Fc未被设置(S11:否)时,处理转移到S14,并且读取RGB→RGB转换表中的数据,并且在S15中执行三角形let插插处理。 版权所有(C)2005,JPO&NCIPI