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    • 42. 发明授权
    • Image processing apparatus having an automatic sampling modification
function
    • 具有自动采样修改功能的图像处理装置
    • US4734785A
    • 1988-03-29
    • US705536
    • 1985-02-26
    • Masahiro TakeiMakoto Takayama
    • Masahiro TakeiMakoto Takayama
    • H04N5/76G06F3/12G06F3/153G06K15/12H04N1/393H04N5/91H04N1/387H04N1/46
    • H04N1/3935
    • An image processing apparatus for printing an image signal consisting of a number of horizontal scanning lines comprises: a sampling circuit for sampling this image signal; an interval changing circuit for changing the sampling interval in the horizontal direction of the sampling circuit; a region changing circuit for narrowing the sampling region of the sampling circuit whenever the sampling interval becomes narrow; and an interpolating circuit for performing the interpolation in the vertical scanning direction in response to the sampling interval becoming narrow. The number of sampling points or the number of horizontal scanning lines which are sampled by the sampling circuit may be changed. In this case, the interpolating circuit performs the interpolation in the vertical direction in response to such a reduction. The image signal may be a television signal consisting of color image signals of R, G and B. With this apparatus, the image signal can be recorded on a recording medium of the same size even in case of enlarging the original image.
    • 一种用于打印由多条水平扫描线组成的图像信号的图像处理装置包括:用于对该图像信号进行采样的采样电路; 用于改变采样电路的水平方向上的采样间隔的间隔改变电路; 每当采样间隔变窄时,用于使采样电路的采样区域变窄的区域改变电路; 以及用于响应于采样间隔变窄而在垂直扫描方向上执行插值的内插电路。 可以改变由采样电路采样的采样点数或水平扫描线数。 在这种情况下,内插电路响应于这种减少而在垂直方向上进行插值。 图像信号可以是由R,G和B的彩色图像信号组成的电视信号。利用该装置,即使在放大原始图像的情况下,也可以将图像信号记录在相同尺寸的记录介质上。
    • 46. 发明授权
    • Image reproducing and storage arrangement with stored image index information
    • 具有存储图像索引信息的图像再现和存储布置
    • US06415097B1
    • 2002-07-02
    • US08366439
    • 1994-12-30
    • Masahiro TakeiSeiichi Ozaki
    • Masahiro TakeiSeiichi Ozaki
    • H04N591
    • G11B27/105G11B27/11G11B2220/20G11B2220/2512H04N5/781H04N9/8227
    • An index image is immediately displayed. A recording and reproduction apparatus records images onto a video medium and reproduces the recorded images. A computer checks whether an index image of the video medium loaded in the recording and reproduction apparatus has been recorded on a hard disk or not. When the index image exists, it is displayed on a monitor. When no index image exists, an instruction to form the index image is instructed to the recording and reproduction apparatus and the formed index image is recorded on the hard disk. In this instance, an ID code to specify the medium is stored on the hard disk and is transferred to the recording and reproduction apparatus for the H1 term of a video signal and is also recorded on the medium.
    • 立即显示索引图像。 记录和再现设备将图像记录到视频介质上并再现记录的图像。 计算机检查装载在记录和再现装置中的视频介质的索引图像是否已被记录在硬盘上。 当索引图像存在时,显示在监视器上。 当没有索引图像时,指示形成索引图像的指令到记录和再现装置,并且形成的索引图像被记录在硬盘上。 在这种情况下,用于指定介质的ID代码被存储在硬盘上,并被传送到用于视频信号的H1项的记录和再现设备,并且还被记录在介质上。
    • 47. 发明授权
    • Image signal recording system
    • 图像信号记录系统
    • US5198940A
    • 1993-03-30
    • US798035
    • 1991-11-20
    • Kenichi NagasawaTadayoshi NakayamaKoji TakahashiMasahiro Takei
    • Kenichi NagasawaTadayoshi NakayamaKoji TakahashiMasahiro Takei
    • H04N7/26H04N7/46H04N9/797H04N9/81H04N9/82
    • H04N9/81H04N19/59H04N9/797H04N19/30H04N9/8205H04N9/8233
    • An image signal recording system for recording an image signal corresponding to an original picture comprised of m picture elements (m being an integer, m.gtoreq.4) on a recording medium, in which the original picture is divided into m/n picture element blocks, each comprised of n picture elements (n being a measure, 2.ltoreq.n.ltoreq.m); and first image information signals are formed by sampling a first picture element out of n picture elements constituting each picture element block on the basis of a first sampling mode, a second image information signal is formed by sampling a second picture element which is different from the first picture element on the basis of second sampling mode and the first image information signal and the second image information signal are recorded on a track having first and second areas which form continuous areas on the recording medium, respectively, in such manner that the first image information signal is recorded on the first area and the second image information signal is recorded on the second area.
    • 一种图像信号记录系统,用于在原始图像被分割成m / n像素的记录介质上记录与由m个图像元素(m为整数,m> = 4)组成的原始图像相对应的图像信号 块,每个由n个图像元素组成(n是度量,2≤n≤m); 并且第一图像信息信号通过基于第一采样模式对构成每个图像元素块的n个图像元素中的第一图像元素进行采样而形成,第二图像信息信号通过对与第二图像信号不同的第二图像元素进行采样来形成 基于第二采样模式的第一图像元素和第一图像信息信号和第二图像信息信号被分别记录在具有在记录介质上形成连续区域的第一和第二区域的轨道上,使得第一图像 信息信号被记录在第一区域上,第二图像信息信号被记录在第二区域上。
    • 50. 发明授权
    • Image pickup apparatus compensating an image signal for variations in
color temperature
    • 图像拾取装置补偿图像信号的色温变化
    • US4879591A
    • 1989-11-07
    • US3771
    • 1987-01-16
    • Masahiro Takei
    • Masahiro Takei
    • H04N5/235H04N9/73
    • H04N5/235H04N9/735
    • A color image pickup apparatus comprises a color image pickup element and a shutter device for exposing the pickup element to an image light. The apparatus further comprises a color signal level adjusting circuit and a control circuit. In one embodiment, when the exposure time is set to a period shorter than one TV field period, the exposure timing is controlled by the controlled circuit at a predetermined phase of the color temperature change of the illumination. In another embodiment, the level adjusting circuit is controlled by the control circuit in accordance with the phase relationship of the exposure timing relative to the color temperature change of the illumination. Thus, an appropriate compensation of the image signal for the color temperature change can be achieved at the time of the image picking up under the illumination whose color temperature changes periodically.
    • 彩色图像拾取装置包括彩色图像拾取元件和用于将拾取元件暴露于图像光的快门装置。 该装置还包括彩色信号电平调整电路和控制电路。 在一个实施例中,当曝光时间设置为比一个TV场周期短的时间段时,曝光时间由照明的色温变化的预定相位由受控电路控制。 在另一个实施例中,电平调节电路由控制电路根据曝光时间相对于照明的色温变化的相位关系来控制。 因此,在色温周期性变化的照明下,在图像拾取时,可以实现色温变化的图像信号的适当补偿。