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    • 3. 发明申请
    • MOVING IMAGE CODING APPARATUS
    • 移动图像编码设备
    • US20090074072A1
    • 2009-03-19
    • US12209464
    • 2008-09-12
    • Hiroaki Endo
    • Hiroaki Endo
    • H04N7/32
    • H04N19/53H04N19/433H04N19/61H04N19/82
    • A moving image coding apparatus includes a motion vector search unit configured to read coding target image data and reference image data which are stored in a memory, and search a motion vector. The motion vector search unit reads the coding target image data in multiple units of N horizontal pixels (N is an integer of 2 and more) and 1 vertical pixel and reads the reference image data in multiple units of P horizontal pixels (P is an integer of 2 and more) and Q vertical pixels (Q is an integer of 2 and more) from the memory.
    • 运动图像编码装置包括:运动矢量搜索单元,被配置为读取存储在存储器中的编码对象图像数据和参考图像数据,并搜索运动矢量。 运动矢量搜索单元以N个水平像素(N为2以上的整数)和1个垂直像素的多个单位读取编码对象图像数据,并以P个水平像素的多个单位读取参考图像数据(P为整数 2个以上)和Q个垂直像素(Q是2以上的整数)。
    • 4. 发明授权
    • Test system for optical line which carries out fault search for optical line from user optical terminal side
    • 用户光端机进行光线故障检测的光线测试系统
    • US07167237B2
    • 2007-01-23
    • US10524067
    • 2004-06-28
    • Masaya ShimizuHiroaki EndoTakashi Sakamoto
    • Masaya ShimizuHiroaki EndoTakashi Sakamoto
    • G01N21/00
    • G01M11/3154G01M11/3136H04B10/071
    • A fault searching system searches for a fault in an optical line connected with an optical fiber carrying out data transmission between a transmission apparatus and a user optical terminal. A connecting unit detaches a terminal portion of the optical line at the user optical terminal, and connects an OTDR to the terminal portion of the optical line. At least one of a test light with a wavelength different from a wavelength of light used for data transmission in the optical line, and a test light whose peak level is less than or equal to a predetermined level, is caused to be incident upon the terminal portion of the optical line. A searching unit searches for a fault in the optical line from the user optical terminal side by detecting backward scattering light or return light from the optical line produced by the test light caused by the OTDR.
    • 故障搜索系统在与发送装置和用户光学终端之间进行数据传输的光纤连接的光线路中寻找故障。 连接单元将用户光学终端处的光线路的终端部分分离,并将OTDR连接到光线路的终端部分。 在光线路中用于数据传输的光波长不同的测试光和峰值电平小于或等于预定电平的测试光中的至少一个被入射到终端 部分光路。 搜索单元通过检测由OTDR引起的由测试光产生的光线路的反向散射光或返回光,从用户光学终端侧检索光线路中的故障。
    • 5. 发明授权
    • Display apparatus and method for gamma correction
    • 用于伽马校正的显示装置和方法
    • US06795063B2
    • 2004-09-21
    • US09784514
    • 2001-02-15
    • Hiroaki EndoTetsuji KikuchiYoshiki Shirochi
    • Hiroaki EndoTetsuji KikuchiYoshiki Shirochi
    • G09G500
    • H04N9/73
    • Image data of the respective colors are converted, by look-up tables in which &ggr; correction data are stored, into gradation data that are white-balanced with intervention of the V-T characteristics of liquid crystal panels. The generated gradation data are supplied to D/A converters and the liquid crystal panels via liquid crystal driving circuits. Gamma correction data within dynamic ranges that are set for each display apparatus by measuring a luminance ratio and contrast ratios of the respective colors are written to the look-up tables in advance. As a result, all they correction data stored in the look-up tables can be used effectively. The invention is directed to such a method for generating data of look-up tables and an image display apparatus that performs gradation correction by using thus-formed look-up tables.
    • 各种颜色的图像数据通过存储伽马校正数据的查找表转换为与液晶面板的V-T特性干涉而白平衡的灰度数据。 生成的灰度数据通过液晶驱动电路提供给D / A转换器和液晶面板。 通过测量各种颜色的亮度比和对比度来为每个显示装置设置的动态范围内的伽马校正数据被预先写入查找表。 结果,可以有效地使用存储在查找表中的所有校正数据。 本发明涉及这样一种用于生成查找表的数据的方法以及通过使用这样形成的查找表来执行灰度校正的图像显示装置。
    • 6. 发明授权
    • Method for driving display devices, and display device
    • 用于驱动显示装置和显示装置的方法
    • US06407726B1
    • 2002-06-18
    • US09223816
    • 1998-12-31
    • Hiroaki EndoHiroshi Murayama
    • Hiroaki EndoHiroshi Murayama
    • G09G336
    • G09G3/007G09G3/001G09G3/36G09G2310/0224G09G2340/0407H04N5/66H04N5/70H04N9/641
    • A method and apparatus for driving a display device having a liquid crystal, plasma or electroluminescence unit or the like, wherein: when a display device consisting of display elements having discrete fixed pixels and wobbling elements for wobbling a light beam emitted from the display elements is to be driven, the timing of sampling while scanning a first field and the timing of sampling while scanning a second field are shifted by a period of time &Dgr;t corresponding to the amount of pixel shift &Dgr;Lx resulting from the wobbling, and the display elements are applied with the shifted timings of sampling, with the result that a high resolution interlace display compatible with the NTSC system or the HD system is made possible. In display devices having a liquid crystal display unit, plasma display unit, and electroluminescence display unit, interlace display capable of effecting the NTSC color television system or the HDTV system with high resolution is made possible.
    • 一种用于驱动具有液晶,等离子体或电致发光单元等的显示装置的方法和装置,其中:当由具有离散固定像素的显示元件和用于摆动从显示元件发射的光束的摆动元件组成的显示装置是 被驱动时,扫描第一场的采样定时和扫描第二场时的采样定时被移位与由摆动产生的像素偏移量DELTALx相对应的时间段DELTAt,并且应用显示元件 随着移位的采样定时,结果是与NTSC系统或HD系统兼容的高分辨率隔行显示成为可能。 在具有液晶显示单元,等离子体显示单元和电致发光显示单元的显示设备中,可以实现能够实现NTSC彩色电视系统或具有高分辨率的HDTV系统的隔行显示。
    • 7. 发明授权
    • Projector apparatus
    • 投影仪
    • US06191826B1
    • 2001-02-20
    • US08974544
    • 1997-11-19
    • Kyoichi MurakamiHiroaki EndoHiroshi MurayamaAtsushi Iwamura
    • Kyoichi MurakamiHiroaki EndoHiroshi MurayamaAtsushi Iwamura
    • H04N931
    • H04N9/3188H04N9/3105H04N9/3182
    • The projector apparatus comprises an image signal processor for generating color drive signals of at least four channels, which correspond to at least four kinds of colors including the colors selected according to the spectrum of the light source, from the three primary color image signals; a light-splitting device for splitting the light from the light source into at least four kinds of lights according to the colors corresponding to the color drive signals generated in the image signal processor; light valves, each of which comprises a liquid crystal element driven by the color drive signal for modulating each of the light splitted from that of the light source by the light-splitting device; and a combining device for combining each of components of light modulated by the light valves.
    • 投影仪装置包括图像信号处理器,用于从三原色图像信号产生至少四个通道的颜色驱动信号,其对应于包括根据光源的光谱选择的颜色的至少四种颜色; 光分离装置,用于根据与图像信号处理器中产生的彩色驱动信号相对应的颜色将来自光源的光分成至少四种光; 光阀,每个光阀包括由彩色驱动信号驱动的液晶元件,用于通过光分离装置调制与光源分离的每个光; 以及组合装置,用于组合由光阀调制的光的每个分量。
    • 9. 发明授权
    • Moving image encoding apparatus and moving image encoding method
    • 运动图像编码装置和运动图像编码方法
    • US08488678B2
    • 2013-07-16
    • US12679618
    • 2009-03-25
    • Hiroaki Endo
    • Hiroaki Endo
    • H04N7/12H04B1/66
    • H04N19/53H04N19/102H04N19/137H04N19/176H04N19/192H04N19/61
    • A moving image encoding apparatus comprises a motion vector search unit for dividing a screen into encoding blocks, dividing each encoding block into motion compensation blocks, and performing a motion vector search by referencing a past or future image with respect to a motion compensation block targeted for encoding, and an encoding unit for encoding a difference value between the motion compensation block and a prediction image that is based on the motion vector. The motion vector search unit sets a plurality of block types for each encoding block, performs rough motion vector search using a reduced image for each block type, computes an evaluation value for each block type based on the motion vectors, and determines whether to set a division method of the block type for which the highest evaluation value was obtained as a motion compensation block division method for a motion vector search in detail.
    • 运动图像编码装置包括:运动矢量搜索单元,用于将屏幕划分成编码块,将每个编码块划分为运动补偿块;以及通过参照过去或将来图像来执行运动矢量搜索,所述运动补偿块针对 编码单元,用于对运动补偿块和基于运动矢量的预测图像之间的差分值进行编码的编码单元。 运动矢量搜索单元为每个编码块设置多个块类型,使用每个块类型的缩小图像执行粗略运动矢量搜索,基于运动矢量计算每个块类型的评估值,并且确定是否设置 获得最高评估值的块类型的分割方法作为用于运动矢量搜索的运动补偿块分割方法。
    • 10. 发明申请
    • MOVING IMAGE ENCODING APPARATUS AND METHOD OF CONTROLLING THE SAME
    • 移动图像编码装置及其控制方法
    • US20110280308A1
    • 2011-11-17
    • US13097806
    • 2011-04-29
    • Akihiro OishiHiroaki Endo
    • Akihiro OishiHiroaki Endo
    • H04N7/32
    • H04N19/567H04N19/61
    • There is provided a moving image encoding apparatus for performing motion compensation prediction encoding. The apparatus comprises, among other things: a calculation unit configured to calculate, for each of a plurality of motion vectors, a difference between an encoding target block image and a reference block image which exists at a position moved based on the motion vector from a position in a reference image corresponding to the predetermined position; and a selection unit configured to select one motion vector from the plurality of motion vectors such that reducing a code amount when the selected motion vector is encoded and reducing the difference corresponding to the selected motion vector are achieved in predetermined balance. The predetermined balance gives priority to reducing the difference over reducing the code amount as a minimum value of a plurality of differences calculated by the calculation unit becomes smaller.
    • 提供了一种用于执行运动补偿预测编码的运动图像编码装置。 该装置包括:其中包括:计算单元,被配置为针对多个运动矢量中的每一个计算编码对象块图像与存在于基于来自运动矢量的运动矢量移动的位置处的参考块图像之间的差异 在与所述预定位置相对应的参考图像中的位置; 以及选择单元,被配置为从所述多个运动矢量中选择一个运动矢量,使得在预定的平衡中实现当选择的运动矢量被编码并且减小与所选择的运动矢量相对应的差的代码量时。 当计算单元计算的多个差异的最小值变小时,预定余额优先于减少代码量而减小差异。