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    • 3. 发明授权
    • Solid-state area imaging apparatus
    • 固态区域成像装置
    • US4566037A
    • 1986-01-21
    • US451599
    • 1982-12-20
    • Norihiko TakatsuAtsushi KawaharaMasaki Isogai
    • Norihiko TakatsuAtsushi KawaharaMasaki Isogai
    • H01L27/148H04N5/335H04N5/341H04N5/3725H04N5/3728C08J7/10
    • H01L27/14831
    • There is disclosed a solid-state area imaging apparatus suitable for photographing a still picture. The apparatus comprises a plurality of vertical transfer electrodes and a pair of horizontal read CCDs, and the vertical transfer electrodes are vertically continuously arranged such that each electrode alternately crosses vertically adjoining two of a plurality of imaginary horizontal scanning lines thereby providing a plurality of photosensitive elements distributed in a checkered pattern on the imaging surface of the apparatus. This distribution of the photosensitive elements has the effect of applying the video signal to all the horizontal scanning lines. Thus, by using the existing integrated circuit technique, it is possible to realize a solid-state area imaging apparatus whose vertical resolution of reproduced still pictures is two times the vertical resolution obtained previously.
    • 公开了一种适用于拍摄静止图像的固态成像装置。 该装置包括多个垂直传送电极和一对水平读取CCD,并且垂直传输电极垂直连续地布置,使得每个电极交替地跨越多个虚拟水平扫描线的垂直相邻的两个,从而提供多个感光元件 分布在装置的成像表面上的方格图案中。 感光元件的这种分布具有将视频信号施加到所有水平扫描线的效果。 因此,通过使用现有的集成电路技术,可以实现其再现静止图像的垂直分辨率是先前获得的垂直分辨率的两倍的固态区域成像装置。
    • 5. 发明授权
    • Image scanning signal generating apparatus with pre-scan for exposure
control
    • 具有用于曝光控制的预扫描的图像扫描信号发生装置
    • US4651226A
    • 1987-03-17
    • US661829
    • 1984-10-17
    • Ryuzo MotooriMakoto KimuraMasaki IsogaiAkimasa SatoAtsushi Kawahara
    • Ryuzo MotooriMakoto KimuraMasaki IsogaiAkimasa SatoAtsushi Kawahara
    • H04N1/40H04N1/407H04N1/10H04N3/04
    • H04N1/40056H04N1/4072
    • An image signal generating apparatus includes an optical system for focusing the image of a photographic film onto a predetermined plane and a scanning device for scanning the image with a photoreceptor positioned at the predetermined plane and generating output signals representing the light intensity distribution of the film. The scanning device performs a first scan of the image and a second scan of the image upon completion of the first scan. During the first scan the levels of the output signals indicative of the maximum density and the minimum density of the film are detected, and during the second scan the exposure of the photoreceptor is controlled in accordance with the detected levels. Also, during the second scan, the output signals are clamped to a clamp level calculated in accordance with the detected maximum density level and the minimum level of the output signals during the first scan.
    • 图像信号产生装置包括用于将照相胶片的图像聚焦到预定平面上的光学系统和用于利用位于预定平面处的感光体扫描图像的扫描装置,并产生表示胶片的光强度分布的输出信号。 扫描装置在完成第一次扫描时执行图像的第一次扫描和图像的第二次扫描。 在第一扫描期间,检测指示膜的最大密度和最小密度的输出信号的电平,并且在第二次扫描期间,根据检测到的电平来控制感光体的曝光。 此外,在第二扫描期间,输出信号被钳位到根据检测到的最大浓度水平和在第一扫描期间的输出信号的最小电平计算的钳位电平。
    • 6. 发明授权
    • Image-scanning apparatus
    • 图像扫描装置
    • US4639787A
    • 1987-01-27
    • US647422
    • 1984-09-05
    • Masaki IsogaiAtsushi Kawahara
    • Masaki IsogaiAtsushi Kawahara
    • H04N1/04G06T1/00H04N1/00H04N1/10H04N1/19H04N1/193H04N1/38H04N1/40H04N1/407H04N5/253H04N5/238
    • H04N1/1021H04N1/1013H04N1/1043H04N1/40056H04N1/4072H04N1/193H04N2201/0404H04N2201/0416
    • An image scanning apparatus for making picture signals has an optical system for forming an image of an object on a predetermined plane and means for scanning the object image by a light-receiving surface disposed on the predetermined plane and generating an output indicative of the light intensity distribution of the object image on the plane. The apparatus comprising first driving means for moving the scanning means relative to the object image, second driving means for moving the scanning means relative to the object image in response to the completion of movement of the scanning means by the first driving means, means for controlling the exposure of the light-receiving surface of the scanning means during the movement of the scanning means by the second driving means in accordance with the output of the scanning means generated during the movement thereof by the first driving means; and means for processing the output of the scanning means generated during the movement thereof by the second driving means into a picture signal corresponding to the object image in accordance with the output of the scanning means generated during the movement thereof by the first driving means.
    • 用于制作图像信号的图像扫描装置具有用于在预定平面上形成物体的图像的光学系统和用于通过设置在预定平面上的受光面来扫描物体图像的装置,并且产生指示光强度的输出 物体图像在飞机上的分布。 该装置包括用于相对于物体图像移动扫描装置的第一驱动装置,用于响应于由第一驱动装置完成扫描装置的移动而使扫描装置相对于物体图像移动的第二驱动装置,用于控制 根据由第一驱动装置移动期间产生的扫描装置的输出,通过第二驱动装置在扫描装置移动期间扫描装置的光接收表面的曝光; 以及用于根据在其由第一驱动装置移动期间产生的扫描装置的输出,将由第二驱动装置移动期间产生的扫描装置的输出处理成对应于对象图像的图像信号的装置。
    • 9. 发明授权
    • Apparatus for detecting two-dimensional pattern and method for
transforming the pattern into binary image
    • 用于检测二维图案的装置和将图案转换成二进制图像的方法
    • US4506382A
    • 1985-03-19
    • US370781
    • 1982-04-21
    • Kazunari HadaNorio FujiiAtsushi KawaharaToru AzumaJunji Hazama
    • Kazunari HadaNorio FujiiAtsushi KawaharaToru AzumaJunji Hazama
    • G06K9/56G06T5/00G06T5/30H04N1/409H04N5/21
    • G06K9/56
    • Two-dimensional pattern detecting apparatus provided with register for serially receiving binary signals obtained from analog signals of a two-dimensional pattern and adapted to divide the pattern into pixels and to represent the density of bright and dark for pixels by the binary signals. The apparatus further includes a processing circuit adapted to compare with predetermined patterns a pattern composed of 8 peripheral pixels of a partial area of 3.times.3 pixels within the two-dimensional pattern, on the basis of the binary signals stored in the register. The processing circuit outputs a binary signal of a logic value stored in said register corresponding to a central pixel of the partial area when the pattern of the 8 pixels coincides with one of said predetermined patterns, and to outputs a binary signal of a logic value prevailing in 8 binary signals stored in the register corresponding to the 8 pixels when the pattern of the 8 pixels does not coincide with any of the predetermined patterns.
    • 二维图案检测装置设置有用于串行接收从二维图案的模拟信号获得的二进制信号的寄存器,并且适于将图案划分为像素并且通过二进制信号表示像素的亮和暗的密度。 该装置还包括处理电路,其适于根据存储在寄存器中的二进制信号,与二维图案中的3×3像素的部分区域的8个周边像素组成的图案与预定图案进行比较。 当8个像素的图案与所述预定图案中的一个一致时,处理电路输出存储在所述寄存器中的对应于该部分区域的中心像素的逻辑值的二进制信号,并输出主要的逻辑值的二进制信号 当8像素的图案与任何预定图案不一致时,存储在对应于8个像素的寄存器中的8个二进制信号。
    • 10. 发明授权
    • Device for measuring contour length of a two-dimensional pattern
    • 用于测量二维图案轮廓长度的装置
    • US3980870A
    • 1976-09-14
    • US575718
    • 1975-05-08
    • Atsushi Kawahara
    • Atsushi Kawahara
    • G01B3/12G01B11/02G01B11/03G01B11/24G01B21/02G01B21/20G01B11/00G06K9/10
    • G01B11/022G01B11/24
    • A device for measuring the contour length of a two-dimensional pattern comprises means for scanning the pattern and sampling each scanned line at a predetermined length to convert the pattern into digitally coded patterns. A rotary means rotates the two-dimensional pattern relative to the converting means to attain uniform spatial distribution of the two-dimensional pattern. A discriminating means discriminates that the digital coded patterns corresponding to the contour line segments placed between the neighboring scanning lines correspond to the number of times the length of the sample to classify the segments into a number of groups according to the result of the discrimination. A computer multiplies the outputs from the classifying means by predetermined weighting coefficients, respectively, at each rotated position of said two-dimensional pattern to obtain the average of the contour length of the two-dimensional pattern at every rotated position.
    • 用于测量二维图案的轮廓长度的装置包括用于扫描图案并以预定长度对每条扫描线进行采样的装置,以将图案转换成数字编码图案。 旋转装置相对于转换装置旋转二维图案以获得二维图案的均匀的空间分布。 鉴别装置鉴别出与相邻扫描线之间的轮廓线段相对应的数字编码图形,与根据鉴别结果将片段长度分类为多个组的样本长度相对应。 计算机将分类装置的输出分别乘以在所述二维图形的每个旋转位置处的预定加权系数,以获得每个旋转位置处的二维图案的轮廓长度的平均值。