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    • 3. 发明授权
    • Image reading method and apparatus with coordination function between
read value and original density
    • 具有读取值与原始密度之间协调功能的图像读取方法和装置
    • US5208664A
    • 1993-05-04
    • US696412
    • 1991-05-06
    • Shin YamadaYoshimitsu KannoTeruo Fumoto
    • Shin YamadaYoshimitsu KannoTeruo Fumoto
    • H04N1/60
    • H04N1/6027
    • An image reading system for reading color information on an original picture, the reading system comprising a scanning section for optically scanning the original picture and a color chip having a predetermined density value and a reading section for receiving reflection or transmission light obtained with the scanning section optically scanning the original picture and the color chip and for converting the reflection or transmission light into the corresponding electric signal. The reading system is arranged to optically read a density of the color chip so as to constitute a densitometer with the read density of the color chip being adjusted to be substantially coincident with the predetermined density and to measure densities of highlight and shadow points on the original picture by means of the densitometer. Further, the reading system corrects density values, which are designated by an operator, on the basis of the measured densities so that a balance between a plurality of colors obtained through color separations of the highlight and shadow points is kept and to perform a coordination between the read density and a density of the original picture with the read densities of the highlight and shadow points being adjusted to be coincident with the corrected densities.
    • 一种用于读取原始图像上的颜色信息的图像读取系统,所述读取系统包括:用于光学扫描原始图像的扫描部分和具有预定浓度值的彩色芯片;以及读取部分,用于接收由扫描部分获得的反射或透射光 光学扫描原始图像和彩色芯片,并将反射或透射光转换成相应的电信号。 读取系统被布置为光学地读取彩色芯片的密度,以便构成密度计,其中调整颜色芯片的读取密度以与预定密度基本一致,并测量原稿上的高光和阴影点的密度 图片通过密度计。 此外,读取系统基于测量的密度来校正由操作者指定的浓度值,使得保持通过高光和阴影点的分色获得的多种颜色之间的平衡,并且执行 读取密度和原始图像的浓度与突出显示和阴影点的读取密度被调整为与校正的密度一致。
    • 4. 发明授权
    • Image synthesizing system
    • 图像合成系统
    • US5195175A
    • 1993-03-16
    • US710481
    • 1991-06-05
    • Yoshimitsu KannoShin YamadaTeruo Fumoto
    • Yoshimitsu KannoShin YamadaTeruo Fumoto
    • G06T11/60G01T1/00G06T11/80
    • G01T1/00
    • An image synthesizing system provided with an interpolation circuit for interpolating data of neighboring pixels of a multi-level picture, a decompression circuit for converting data representing characters and graphic forms into data of pixels thereof, a first look-up table unit for converting the data of pixels composing the characters and graphic forms into data representing gradation levels of a four-color halftone, a second look-up table unit for outputting control data for synthesis which includes halftone-dot pattern information used to indicate halftone-dot patterns corresponding to the characters and the graphic forms and region discriminating information used to indicate which of the characters and the graphic forms should be clipped, a multi-level picture and bi-level element comparison circuits, which are independent of each other, respectively converting the multi-level picture and the bi-level characters and graphic forms into bi-level dot patterns and a selecting circuit for selectively outputting one of the bi-level dot patterns respectively corresponding to the bi-level characters and the bi-level graphic forms.
    • 一种图像合成系统,其具有用于内插多级图像的相邻像素的数据的内插电路,用于将表示字符和图形的数据转换为其像素的数据的解压缩电路,用于转换数据的第一查找表单元 构成字符和图形的像素形成为表示四色半色调的灰度级的数据;第二查找表单元,用于输出用于合成的控制数据,该第二查找表单元包括用于指示对应于该色调的半色调点图案的半色调点图案信息 字符和用于指示哪些字符和图形应被剪切的图形形式和区域识别信息,彼此独立的多级图像和双级元素比较电路,分别转换多级 图像和双电平字符和图形形成为双电平点图案和选择电路 用于选择性地输出分别对应于双电平字符和双电平图形的双电平点图案之一。