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    • 31. 发明授权
    • Noise reduction apparatus for reducing noise in an input video signal
    • 用于降低输入视频信号中的噪声的降噪装置
    • US5331415A
    • 1994-07-19
    • US867216
    • 1992-07-31
    • Takeshi HamasakiYoshinori Kitamura
    • Takeshi HamasakiYoshinori Kitamura
    • H04N5/21H04N7/26H04N7/30H04N7/50
    • H04N5/21H04N19/527H04N19/60H04N19/61H04N19/86
    • A noise reduction apparatus for reducing the noise in an input video signal. The input video signal contains pixel data; and, the noise reduction apparatus has a first delay, a subtractor, a second delay, a transformer, a nonlinear calculator, an inverse-transformer, and an adder. The first delay delays an input video signal to derive a first delayed video signal. The subtractor subtracts the first delayed video signal from the input video signal, and outputs a finite difference signal. The second delay delays the finite difference signal by one horizontal scanning period. The transformer forms a signal block from the field difference signal which includes a first predetermined number of pixel data; and, in the signal block, transforms the pixel data into a second predetermined number of characteristic components based on the finite difference signal and the finite difference signal delayed by the second delay. The transformer shifts the signal block one pixel in a predetermined direction after every transforming operation. The nonlinear calculator applies a nonlinear calculation to the characteristic components. The inverse-transformer derives one compensation output corresponding to the signal block on the basis of the output signal of said nonlinear calculator. The adder adds the compensation output to the input video signal to reduce the noise in the input video signal.
    • PCT No.PCT / JP91 / 01332 Sec。 371日期:1992年7月31日 102(e)日期1992年7月31日PCT 1991年10月3日PCT PCT。 出版物WO92 / 06559 日期:1992年4月16日。一种用于降低输入视频信号中的噪声的降噪装置。 输入视频信号包含像素数据; 并且,降噪装置具有第一延迟,减法器,第二延迟,变压器,非线性计算器,逆变换器和加法器。 第一延迟延迟输入视频信号以导出第一延迟视频信号。 减法器从输入视频信号中减去第一延迟视频信号,并输出有限差分信号。 第二个延迟将有限差分信号延迟一个水平扫描周期。 变压器从包括第一预定数量的像素数据的场差信号形成信号块; 并且在信号块中,基于有限差分信号和延迟第二延迟的有限差分信号,将像素数据变换为第二预定数量的特征分量。 在每次变换操作之后,变压器将信号块沿预定方向移动一个像素。 非线性计算器对特征分量进行非线性计算。 逆变换器基于所述非线性计算器的输出信号,导出对应于信号块的一个补偿输出。 加法器将补偿输出添加到输入视频信号,以减少输入视频信号中的噪声。
    • 38. 发明授权
    • Semiconductor device and method of manufacturing the same
    • 半导体装置及其制造方法
    • US06969884B2
    • 2005-11-29
    • US10728928
    • 2003-12-08
    • Yoshinori KitamuraShigeki Sugimoto
    • Yoshinori KitamuraShigeki Sugimoto
    • H01L21/00H01L21/28H01L21/331H01L21/82H01L21/8222H01L21/8247H01L27/115H01L29/76H01L29/788H01L29/792
    • H01L27/11521H01L21/28273H01L27/115H01L27/11524
    • Disclosed is a semiconductor device comprising a semiconductor substrate including first and second element-formation regions partitioned by an isolation trench, first and second lower gate insulating films formed on the first and second element-formation regions, first and second floating gates formed on the first and second lower gate insulating films, an isolation insulating film formed at least in the isolation trench and has a depression formed in an upper surface thereof, an upper gate insulating film formed on the first and second floating gates, and a control gate line including an opposed portion opposed to the first and second floating gates, with the upper gate insulating film being interposed, and a portion located inside the depression, the first floating gate including a side surface opposed to the second floating gate and entirely aligns with a side surface included in the first element-formation region and defined by the isolation trench.
    • 公开了一种半导体器件,包括半导体衬底,该半导体衬底包括由隔离沟槽分隔开的第一和第二元件形成区域,形成在第一和第二元件形成区域上的第一和第二下部栅极绝缘膜,形成在第一和第二元件形成区域上的第一和第二浮置栅极 和第二下栅极绝缘膜,隔离绝缘膜,至少形成在所述隔离沟槽中,并且在其上表面上形成有凹部,形成在所述第一和第二浮栅上的上栅极绝缘膜,以及控制栅极线, 与第一和第二浮动栅极相对的相对部分,其中上部栅极绝缘膜被插入,并且位于凹部内部的部分,第一浮动栅极包括与第二浮动栅极相对的侧表面,并且与包括的侧表面完全对准 在第一元件形成区域中并由隔离沟槽限定。
    • 40. 发明授权
    • Color error suppression apparatus and method
    • 彩色误差抑制装置及方法
    • US4104679A
    • 1978-08-01
    • US728884
    • 1976-10-01
    • Yoshinori KitamuraRyuhei Nakabe
    • Yoshinori KitamuraRyuhei Nakabe
    • H04N9/077H04N9/07
    • H04N9/077
    • An apparatus and method for suppressing color error components generated in a color television camera of the type in which color component signals representing first and second colors of a color image are recovered by utilizing a difference of phase relationship of modulated color signals, one of which changes in successive horizontal scan lines. In this apparatus and method, a color correction signal which indicates positions of color errors and provides preferred color error correction is produced from an unmodulated component of an output from a pick up tube by operating upon such component. The wave shape of at least one of a luminance signal which is derived from the unmodulated component of the output from the pick up tube and used to generate color signals and the color component signals recovered by operating upon a modulated component of the output is adjusted, preferably in accordance with the color correction signal, so that the color error components which are generated when the color component signals are recovered and which are included in the color component signals are suppressed at least in the color signals which are produced from the luminance signal and the color component signals during generation of a color video signal.
    • 一种用于抑制在彩色电视摄像机中产生的颜色误差分量的装置和方法,其中通过利用调制色彩信号的相位关系的差异来恢复表示彩色图像的第一和第二颜色的颜色分量信号,其中一个变化 在连续的水平扫描线。 在该装置和方法中,通过对这种组件进行操作,从拾取管的输出的未调制分量产生指示颜色误差的位置并提供优选的颜色误差校正的颜色校正信号。 调整从拾取管的输出的未调制分量导出并用于生成彩色信号的亮度信号和通过对输出的调制分量进行操作而恢复的色分量信号中的至少一个的波形, 优选地根据颜色校正信号,使得当颜色分量信号被恢复并且包括在颜色分量信号中时产生的颜色误差分量至少在从亮度信号产生的颜色信号中被抑制,并且 在彩色视频信号的产生期间的颜色分量信号。