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1.发明授权Method and apparatus for converting a line density of a bi-level image signal 失效用于转换双向图像信号的线密度的方法和装置
公开(公告)号：US5229868A
公开(公告)日：1993-07-20
申请号：US571350
申请日：1990-08-23
申请人： Yoshimitsu Kanno , Toshiharu Kurosawa , Hidehiko Kawakami , Hiroaki Kotera , Hiroyoshi Tsuchiya , Hideaki Ohira , Mutuo Hashizume
发明人： Yoshimitsu Kanno , Toshiharu Kurosawa , Hidehiko Kawakami , Hiroaki Kotera , Hiroyoshi Tsuchiya , Hideaki Ohira , Mutuo Hashizume
IPC分类号： H04N1/40
CPC分类号： H04N1/40075 , H04N1/40068
摘要： A correspondence relation between a structure of a bi-level pattern A and a structure of a bi-level pattern B is statistically learned by use of a learning high-density image. The bi-level pattern A forms a partial region of a low-density character and line image except a screened dot image. The bi-level pattern B forms a corresponding partial region of a desired high-density image. A judgement is made as to whether the low-density image is equal to or different from a screened dot image. Reference pixels are selected from the partial region of the low-density image. The low-density bi-level pattern A is converted into the high-density bi-level pattern B on the basis of a result of the learning by use of the selected reference pixels when the low-density image is different from a screened dot image. A pixel of the low-density image is repeated to convert the low-density image into the high-density image when the low-density image is equal to a screend dot image.
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2.发明授权Color correction method for color copier utilizing correction table derived from printed color samples 失效色彩校正方法利用彩色复印机利用从印刷色样本得到的校正表
公开(公告)号：US4929978A
公开(公告)日：1990-05-29
申请号：US261254
申请日：1988-10-24
申请人： Katsuhiro Kanamori , Yoshimitsu Kanno , Toshiharu Kurosawa , Hidehiko Kawakami , Motohiko Naka , Hiroaki Kotera
发明人： Katsuhiro Kanamori , Yoshimitsu Kanno , Toshiharu Kurosawa , Hidehiko Kawakami , Motohiko Naka , Hiroaki Kotera
IPC分类号： H04N1/60
CPC分类号： H04N1/6005 , H04N1/60 , H04N1/6025 , H04N1/6033
摘要： A color correction method applicable to a digital processing type of color copier, whereby a set of color patches of respectively different sample colors is printed using a set of printing data values, the color patches are then scanned and analyzed to obtain color patch input data values by the color copier, and each of all of the possible input color data values that can be produced by the scanner/analyzer section of the color copier is then related to one of the color patch input data values which is closest thereto in a 3-dimensional color space. Each of these possible input color data values is thereby related to an appropriate color printing value, whereby a color correction table can be generated which provides correction accuracy that is independent of non-linearity of color printing characteristics.
摘要翻译： 适用于数字处理类型的彩色复印机的颜色校正方法，由此使用一组打印数据值打印分别不同样品颜色的一组色块，然后扫描和分析色标，以获得色块输入数据值 通过彩色复印机，并且可以由彩色复印机的扫描仪/分析器部分产生的所有可能的输入颜色数据值中的每一个然后与其中最接近的彩色复印机中的一个色斑输入数据值相关， 三维色彩空间。 这些可能的输入颜色数据值中的每一个因此与适当的彩色打印值相关，由此可以产生提供与彩色打印特性的非线性无关的校正精度的颜色校正表。
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公开(公告)号：US4180330A
公开(公告)日：1979-12-25
申请号：US798010
申请日：1977-05-18
申请人： Hiroaki Kotera , Hiroyoshi Tsuchiya , Ryuzo Itabashi , Kunio Yoshida , Tsutomu Shibata , Yukifumi Tsuda , Yoshimitsu Kanno , Heijiro Hayami , Haruko Sugita
发明人： Hiroaki Kotera , Hiroyoshi Tsuchiya , Ryuzo Itabashi , Kunio Yoshida , Tsutomu Shibata , Yukifumi Tsuda , Yoshimitsu Kanno , Heijiro Hayami , Haruko Sugita
CPC分类号： H04N1/488
摘要： Light beams scans patterns of a subject copy, being reflected therefrom, and being converted into pulsating electrical signals. Color borders between two different colored patterns are detected based on the pulsating signals. On the other hand, a color of a predetermined scanned line following each of the color borders is sensed for determining the sensed color as a color between the adjacent color borders.
摘要翻译： 光束扫描被摄物体的图案，从其反射并被转换为脉动电信号。 基于脉动信号检测两种不同着色图案之间的色彩边界。 另一方面，检测每个颜色边界之后的预定扫描线的颜色，以将感测到的颜色确定为相邻颜色边界之间的颜色。
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公开(公告)号：US4903147A
公开(公告)日：1990-02-20
申请号：US216165
申请日：1988-07-07
申请人： Yoshimitsu Kanno , Teruo Fumoto , Hiroaki Kotera
发明人： Yoshimitsu Kanno , Teruo Fumoto , Hiroaki Kotera
CPC分类号： H04N1/3935 , H04N1/4058
摘要： In a method and an apparatus for processing an image, a small screen dot pattern is prepared. A large screen dot pattern is generated by copying or repeatedly reading out the small screen dot pattern. Data of a variable tone image are processed with the large screen dot pattern and are thereby converted into processed image data representative of a screen dot image. The screen dot image may be recorded in a suitable way.
摘要翻译： 在用于处理图像的方法和装置中，准备小屏幕点阵图案。 通过复制或重复读出小屏幕点图案来生成大屏幕点阵图案。 以大屏幕点图案处理可变色调图像的数据，从而转换成表示屏幕点图像的处理图像数据。 可以以合适的方式记录屏幕点图像。
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公开(公告)号：US4458265A
公开(公告)日：1984-07-03
申请号：US332098
申请日：1981-12-17
CPC分类号： H04N1/6019 , H04N1/603
摘要： A color image duplicating device comprises a function generator (60) for generating a plurality of functions of n degree wherein elements of color separated data (201, 202, 203) from a color original (1) are variable, a storing device (66) for storing predetermined coefficients, and an arithmetic unit (61, 62, 63) for performing the calculation to find the product and sum of outputs from the function generator (60) and that of the storing device (66). An output from the arithmetic unit (61, 62, 63) is applied to a color recorder (3) to form a color duplicated image.
摘要翻译： 彩色图像复制装置包括：函数发生器（60），用于生成从色彩原稿（1）中分色数据（201,202,203）的元素可变的n度的多个功能，存储装置（66） 以及用于执行计算的运算单元（61,62,63），以找到来自函数发生器（60）和存储装置（66）的输出的乘积和总和。 来自运算单元（61,62,63）的输出被应用于彩色记录器（3）以形成彩色复制图像。
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公开(公告)号：US4394662A
公开(公告)日：1983-07-19
申请号：US288513
申请日：1981-07-30
CPC分类号： H04N1/4057 , H04N1/4051
摘要： To overcome the tendency of the recording head of a dot printer to become inoperative in a range below a threshold level, a gray scale input signal is modulated with an oscillating signal so that the modulated signal oscillates above and below the threshold level to reproduce halftone values below the otherwise inoperative range.
摘要翻译： 为了克服点打印机的记录头在低于阈值水平的范围内变得不起作用的趋势，用振荡信号调制灰度输入信号，使得调制信号在阈值水平之上和之下振荡以再现半色调值 低于其他不起作用的范围。
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公开(公告)号：US5200738A
公开(公告)日：1993-04-06
申请号：US611713
申请日：1990-11-09
申请人： Teruo Fumoto , Yoshimitsu Kanno , Shin Yamada , Hiroaki Kotera
发明人： Teruo Fumoto , Yoshimitsu Kanno , Shin Yamada , Hiroaki Kotera
CPC分类号： G09G5/346
摘要： A method of data display for a system which includes a main image memory having stored therein data representing a main image, a display memory coupled to temporarily hold data transferred thereto form the main image memory, and a display apparatus for displaying at least a selected portion of the data held in the display memory, whereby while scrolling is being executed in the horizontal or vertical display direction, new data are transferred from the main image memory to the display memory only when the limits of the data currently held in the display memory are exceeded, and with only data for one display line or column being transferred in such a case.
摘要翻译： 一种用于系统的数据显示方法，包括：主图像存储器，其中存储有表示主图像的数据;耦合到临时保存传送到其上的数据的显示存储器形成主图像存储器;以及显示装置，用于至少显示所选择的部分 保持在显示存储器中的数据，由此当在水平或垂直显示方向上执行滚动时，只有当当前保存在显示存储器中的数据的限制是从主图像存储器传送到显示存储器 在这种情况下只有一个显示行或列的数据被传送。
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公开(公告)号：US4090243A
公开(公告)日：1978-05-16
申请号：US683657
申请日：1976-05-06
申请人： Hiroaki Kotera , Heijiro Hayami , Hiroyoshi Tsuchiya , Ryuzo Kan , Kunio Yoshida , Tsutomu Shibata , Yukifumi Tsuda
发明人： Hiroaki Kotera , Heijiro Hayami , Hiroyoshi Tsuchiya , Ryuzo Kan , Kunio Yoshida , Tsutomu Shibata , Yukifumi Tsuda
CPC分类号： G07D7/20 , G01J3/46 , G06T1/0007 , G07D7/121 , G07D7/122 , G01J2003/466 , G01J3/513
摘要： A color print painted with different colors C.sub.i (i = 1, 2 . . . n) is scanned by a color scanner along a plurality of successive line paths to generate a set of electrical signals each representing the intensity of the spectral components of the light reflected from an elemental area of the print. A macroscopic color separator is provided to generate a set of electrical signals each representing the average spectral intensities per unit area of the print. A data processor is used to compute the probability P(C.sub.i) from the data obtained from the macroscopic color separator and a set of mean spectral intensities exhibited by the color samples with which the print is painted by artisans. In accordance with the Bayes' Rule, the processor then executes computation of the product of P(C.sub.i) and the conditional probability of occurrence of elemental color spectral intensities given that the elemental area being scanned belongs to a particular color sample, using the data received from the color scanner as it scans the print.
摘要翻译： 用彩色扫描仪沿着多条连续的线路扫描用不同颜色Ci（i = 1,2，...）绘制的彩色印刷品，以产生一组电信号，每组电信号表示光线的光谱分量的强度 从印刷品的元素区域反映出来。 提供宏观颜色分离器以产生每组表示印刷单位面积的平均光谱强度的一组电信号。 数据处理器用于根据从宏观颜色分离器获得的数据和由工匠画出印刷品的颜色样本展示的一组平均光谱强度来计算概率P（Ci）。 根据贝叶斯规则，处理器然后执行P（Ci）乘积的计算和基本色谱强度出现的条件概率，假设被扫描的元素区属于特定颜色样本，使用接收到的数据 从彩色扫描器扫描打印。
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公开(公告)号：US4034406A
公开(公告)日：1977-07-05
申请号：US525659
申请日：1974-11-20
CPC分类号： H04N1/419
摘要： A two-valued object such as black-and-white textural or pictorial material is repeatedly scanned aong each of a plurality of line paths within the object to produce an image signal which is representative of a series of black and white runs or areas within the line path. The length of black or white run or "run length" is sampled by clock pulses and translated into a binary code and transmitted bit by bit at the line scan rate to a receiver station. A vertical sync pulse is inserted at the end of the (n-1)th run length wherein n represents the number of run lengths within the image signal so that the last run length is skipped. The last run length so skipped at the transmitter is reconstructed at the receiver during the time interval of the vertical sync pulse.
摘要翻译： 在对象内的多个线路中的每一条上重复扫描诸如黑白纹理或图形材料的二值对象以产生代表一系列黑白行程或图像信号内的区域的图像信号 线路。 黑色或白色运行的长度或“游程长度”由时钟脉冲采样，并转换为二进制码，并以线扫描速率逐位传送到接收站。 在第（n-1）个游程长度的末尾插入垂直同步脉冲，其中n表示图像信号内的游程长度的数量，以便跳过最后的游程长度。 在垂直同步脉冲的时间间隔期间，在接收机处重建在发射机处跳过的最后一个行程长度。
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公开(公告)号：US5241373A
公开(公告)日：1993-08-31
申请号：US700692
申请日：1991-05-16
IPC分类号： G03F3/08 , G06T1/00 , G06T1/20 , G06T5/00 , G09G5/06 , H04N1/46 , H04N1/60 , H04N9/64 , H04N9/74
CPC分类号： H04N1/6016 , H04N9/64
摘要： A color value correction apparatus for converting each of successive combinations of input tricolor digital values into an output color value in accordance with predetermined data stored in memory, includes three table memories which store values which are respective differences between color values corresponding to vertices of unit tetrahedra in a color space and a reference color value that is common to all of a set of tetrahedra forming one of an array of unit cubes or parallelepipeds which constitute that color space, and also includes a table memory that stores these reference color values. To obtain an interpolated output value, each of these memories is addressed three-dimensionally by the high-order bits of an input tricolor value combination to thereby specify one of the unit cubes or parallelepipeds, and the difference value memories are in addition addressed by a value, derived from the low-order bits of the input value combination, specifying a specific tetrahedron containing the interpolation point. An interpolated output value can thereby be obtained by executing only three multiplication operations followed by addition operations.
摘要翻译： 一种颜色值校正装置，用于根据存储在存储器中的预定数据将输入三色数字值的连续组合中的每一个转换为输出颜色值，包括三个表存储器，其存储与单元四面体顶点对应的颜色值之间的差异 在构成所述颜色空间的单位立方体或平行六面体的阵列之一的四面体的全部的所有的颜色空间和参考颜色值中，还包括存储这些参考颜色值的表存储器。 为了获得内插的输出值，通过输入三色值组合的高位来三维地寻址这些存储器中的每一个，从而指定单位立方体或平行六面体之一，并且差值存储器另外由a 值，从输入值组合的低位导出，指定包含内插点的特定四面体。 因此，通过仅执行三次乘法运算，然后进行加法运算，可以获得内插输出值。
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