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1. 发明授权

US4180330A Method of and a system for color separation 失效
标题翻译：颜色分离方法和系统
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
IPC分类号： H04N1/60 , D03C19/00 , G02B27/00 , G03F3/08 , H04N1/48 , G01J3/46 , H04N1/46
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。

2. 发明授权

US4090243A Color separating method and apparatus using statistical techniques 失效
标题翻译：使用统计学技术的色彩分离方法和装置
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
IPC分类号： G01J3/50 , G01J3/46 , G01J3/51 , G02B5/28 , G06T1/00 , G07D7/12 , G07D7/20 , G01V7/06
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。

3. 发明授权

US4034406A Facsimile signal transmission system 失效
标题翻译：传真信号传输系统
公开(公告)号：US4034406A
公开(公告)日：1977-07-05
申请号：US525659
申请日：1974-11-20
申请人： Hiroyoshi Tsuchiya , Yukifumi Tsuda , Heijiro Hayami , Hiroaki Kotera
发明人： Hiroyoshi Tsuchiya , Yukifumi Tsuda , Heijiro Hayami , Hiroaki Kotera
IPC分类号： H04N1/419 , H04N1/04 , H04N1/32 , H04N1/38
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。

4. 发明授权

US3941922A Facsimile system of run-length 失效
标题翻译：传真系统的长度
公开(公告)号：US3941922A
公开(公告)日：1976-03-02
申请号：US415332
申请日：1973-11-13
申请人： Hiroyoshi Tsuchiya , Kunio Yoshida , Yukifumi Tsuda , Heijiro Hayami , Hiroaki Kotera
发明人： Hiroyoshi Tsuchiya , Kunio Yoshida , Yukifumi Tsuda , Heijiro Hayami , Hiroaki Kotera
IPC分类号： G06T9/00 , H03M7/46 , H04N1/419 , H04N7/12
CPC分类号： G06T9/005 , H03M7/46 , H04N1/419
摘要： A transmitter for a facsimile system of run-length type, which comprises a facsimile signal generator, a pulse generator for producing a sampling pulse train, a sampler for sampling each of the space and mark signals with the sampling pulse train, and a coder for converting the sampled space and mark signals into successive binary code signals, the coder including at least two counters and means for selectively operating the two counters. A receiver for facsimile system of run-length type, which comprises a timing pulse generator for producing timing pulses, a demodulator for demodulating modulated binary code signals, a decoder for decoding the binary code signals into binary codes each representing a run-length of one of mark and space signals, a memory circuit for memorizing the binary codes, said memory circuit including at least two registers and means for selectively operating the two registers, and a reconverting circuit for reconverting the binary codes from the memory circuit into one of the mark and space signals.
摘要翻译：一种游程式传真机的发射机，包括传真信号发生器，用于产生采样脉冲串的脉冲发生器，用采样脉冲串对每个空间和标记信号进行采样的采样器，以及编码器将采样的空间转换并将信号标记为连续的二进制码信号，编码器包括至少两个计数器和用于选择性地操作两个计数器的装置。一种游程式传真机的接收机，包括用于产生定时脉冲的定时脉冲发生器，用于解调调制的二进制码信号的解调器，用于将二进制码信号解码成二进制码的解码器，每个二进制码代表一个游程长度一个标记和空格信号的存储电路，用于存储二进制码的存储电路，所述存储器电路包括至少两个寄存器和用于选择性地操作两个寄存器的装置，以及用于将来自存储器电路的二进制码重新转换为标记之一的再转换电路和空间信号。

5. 发明授权

US4020502A Method and apparatus for separating, combining and rearranging colored images 失效
标题翻译：用于分离，组合和重新排列彩色图像的方法和装置
公开(公告)号：US4020502A
公开(公告)日：1977-04-26
申请号：US621533
申请日：1975-10-10
申请人： Heijiro Hayami , Hiroaki Kotera , Hiroyoshi Tsuchiya , Ryuzo Kan , Kunio Yoshida , Tsutomu Shibata , Yukifumi Tsuda
发明人： Heijiro Hayami , Hiroaki Kotera , Hiroyoshi Tsuchiya , Ryuzo Kan , Kunio Yoshida , Tsutomu Shibata , Yukifumi Tsuda
IPC分类号： G03F1/00 , G03F3/08 , H04N1/64 , H04N9/79 , H04N9/10 , G03F3/00
CPC分类号： H04N1/648
摘要： A colored original which is painted with a plurality of predetermined colors is scanned along each of a plurality of line paths each of which can be divided into one or more colored line segments. Encoders are provided to characterize each of the line segments by a corresponding first code representing the color of the segment and a second code representing the run length of the segment. The first and second codes are sequentially recorded in a data file memory. The recorded information is repeatedly retrieved from the memory and transferred to a shift register. Line segments carrying the same color within each line path are detected by comparing the corresponding first code with a specified code. The second code is sequentially decoded into run lengths which are accumulated to measure the position of color transitions relative to the colored original. A video signal is generated upon occurrence of coincidence between the first code and the specified code. A photographic film is scanned by a light beam modulated with the video signal to develop an image carrying the detected color on a specified portion of the film in correspondence with the specified code. The codes to be specified are sequentially changed to detect the line segments of different colors in a predetermined sequence within the period of the scanning. In synchronism with the code change, the shift register is shifted to recirculate the data.
摘要翻译：沿着多个线路路径中的每一条扫描以多个预定颜色涂上的彩色原稿，每条线路可以分成一个或多个彩色线段。提供编码器以通过表示段的颜色的对应的第一代码和表示段的游程长度的第二代码来表征每个线段。第一和第二代码被顺序记录在数据文件存储器中。记录的信息从存储器重复地检索并传送到移位寄存器。通过将相应的第一代码与指定的代码进行比较来检测在每个线路中携带相同颜色的线段。第二代码被顺序地解码为运行长度，其被累积以测量相对于着色原稿的颜色转换的位置。在第一代码和指定代码之间出现一致时产生视频信号。通过用视频信号调制的光束扫描摄影胶片，以根据指定的代码开发在胶片的指定部分上携带检测到的颜色的图像。要指定的代码被顺序地改变，以便在扫描周期内以预定的顺序检测不同颜色的线段。与代码变化同步，移位寄存器被移位以再循环数据。

6. 发明授权

US4011399A Photographic image pick-up and coding system of run-length type 失效
标题翻译：跑步型照相摄影和编码系统
公开(公告)号：US4011399A
公开(公告)日：1977-03-08
申请号：US437986
申请日：1974-01-30
申请人： Hiroyoshi Tsuchiya , Yukifumi Tsuda , Heijiro Hayami , Hiroaki Kotera
发明人： Hiroyoshi Tsuchiya , Yukifumi Tsuda , Heijiro Hayami , Hiroaki Kotera
IPC分类号： H04N1/04 , G06T9/00 , H04N1/113 , H04N1/419 , H04N7/12
CPC分类号： H04N1/419
摘要： A photographic image pick-up and coding system of run-length type which includes a correction circuit for preventing erroneous operation of the system even when the system is subjected to unwanted external disturbances such as noises and fluctuations of the voltage of the power source.
摘要翻译：即使在系统受到诸如噪声等不良外部干扰和电源电压的波动的影响时，也包括用于防止系统错误操作的校正电路的游程式摄影图像拾取和编码系统。

7. 发明授权

US4458265A Color image duplicating system 失效
标题翻译：彩色图像复制系统
公开(公告)号：US4458265A
公开(公告)日：1984-07-03
申请号：US332098
申请日：1981-12-17
申请人： Kunio Yoshida , Hiroaki Kotera , Yukifumi Tsuda , Yoshimitsu Kanno , Motohiko Naka
发明人： Kunio Yoshida , Hiroaki Kotera , Yukifumi Tsuda , Yoshimitsu Kanno , Motohiko Naka
IPC分类号： G03F3/08 , H04N1/60 , H04N1/46
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。

8. 发明授权

US4394662A Dot printer for reproduction of halftone images 失效
标题翻译：点播打印机用于再现半色调图像
公开(公告)号：US4394662A
公开(公告)日：1983-07-19
申请号：US288513
申请日：1981-07-30
申请人： Kunio Yoshida , Hiroaki Kotera , Yukifumi Tsuda , Yoshimitsu Kanno , Motohiko Naka
发明人： Kunio Yoshida , Hiroaki Kotera , Yukifumi Tsuda , Yoshimitsu Kanno , Motohiko Naka
IPC分类号： H04N1/405 , G01D9/00 , G01D15/18 , H04N1/22
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。

9. 发明授权

US4814867A Color correction processor with memory addressed by color component signals having unevenly-distributed data bits 失效
标题翻译：具有由具有不均匀分布的数据位的颜色分量信号寻址的存储器的色彩校正处理器
公开(公告)号：US4814867A
公开(公告)日：1989-03-21
申请号：US130617
申请日：1987-12-09
申请人： Yukifumi Tsuda , Hiroaki Kotera , Teruo Fumoto
发明人： Yukifumi Tsuda , Hiroaki Kotera , Teruo Fumoto
IPC分类号： H04N1/60 , H04N9/79 , G03F3/08 , H04N1/46
CPC分类号： H04N1/6019
摘要： Color correction method and processor for improving the quality of color reproduction in a color picture recording unit or display unit in a color copy machine, a color facsimile or a color printer. A memory means previously stores in a table values of secondary color correction image data used for recording corresponding to values of primary image data produced through a color scanning of a color picture. The secondary color correction image data are read out from the table by addressing signals formed from the three color components of the primary image data. Data bits for the addressing signals of the three color components of the primary image data are assigned unevenly depending on the contribution factor of each in forming the three color components of the secondary color crrection image data, thereby reducing the required number of addressing bits and associated memory.
摘要翻译：色彩校正方法和处理器，用于提高彩色复印机，彩色传真机或彩色打印机中的彩色图像记录单元或显示单元中的色彩再现质量。存储器装置预先存储与通过彩色图像的彩色扫描产生的主要图像数据的值相对应的用于记录的二次色彩校正图像数据的表中的值。通过对由主要图像数据的三个颜色分量形成的信号进行寻址，从表中读出二次色彩校正图像数据。主图像数据的三色分量的寻址信号的数据位根据形成次色色图像数据的三色分量的贡献因子而不均匀地分配，从而减少所需数量的寻址位和相关联记忆。

10. 发明授权

US5229868A Method and apparatus for converting a line density of a bi-level image signal 失效
标题翻译：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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