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    • 1. 发明授权
    • Image display drive apparatus
    • 图像显示驱动装置
    • US06310628B1
    • 2001-10-30
    • US09176275
    • 1998-10-21
    • Akihiro MatsushitaYukihiko Sakashita
    • Akihiro MatsushitaYukihiko Sakashita
    • G09G534
    • G09G3/20G09G3/3611G09G2310/0297G09G2340/0478G09G2352/00
    • An image display drive apparatus capable of shifting an image signal in the unit of one pixel in the horizontal direction of a display device such as a liquid crystal device whose plurality of pixels are driven at the same time. The image display drive apparatus for driving a plurality of pixels at the same time includes a signal processing circuit for supplying a plurality of pixel signals at the same time, delay circuits for delaying at least one of the plurality of pixel signals supplied from the signal processing circuit, and selectors for selecting image signals for driving pixels of the display device at the same time, from the outputs of the signal processing circuit and delay circuits, in accordance with a value of a select signal. In the image display drive apparatus, the signal processing circuit, delay circuits, and selectors are interconnected so that an image signal to the left by one pixel is selected as the select signal is incremented by 1.
    • 一种图像显示驱动装置,其能够以诸如同时驱动多个像素的液晶装置等显示装置的水平方向的一个像素为单位移位图像信号。 用于同时驱动多个像素的图像显示驱动装置包括用于同时提供多个像素信号的信号处理电路,用于延迟从信号处理提供的多个像素信号中的至少一个的延迟电路 电路和选择器,用于根据选择信号的值从信号处理电路和延迟电路的输出中同时选择用于驱动显示装置的像素的图像信号。 在图像显示驱动装置中,信号处理电路,延迟电路和选择器被互连,使得当选择信号递增1时,选择左一像素的图像信号。
    • 4. 发明授权
    • Image processing apparatus and image processing method
    • 图像处理装置和图像处理方法
    • US08447131B2
    • 2013-05-21
    • US12829538
    • 2010-07-02
    • Yukihiko Sakashita
    • Yukihiko Sakashita
    • G06K9/40G06K9/32H04N7/01
    • H04N5/208G09G3/36G09G2320/0252G09G2320/0276
    • A characteristic image detection interpolation unit performs interpolation processing for increasing the luminance value in low-luminance area which is partly present in an input image. A minimum value filter unit executes minimum value filter processing on an image subjected to the interpolation processing, and a low-pass filter performs low-pass filter processing on the image subjected to the minimum value filter processing, thereby generating a low-frequency component image. A subtracter generates a high-frequency component image by subtracting the low-frequency component image from the input image. A coefficient multiplier adds the luminance value of the high-frequency component image to the input image by a preset ratio K1, thereby generating a high-frequency component enhanced image. A selector alternately outputs the low-frequency component image and the high-frequency component enhanced image.
    • 特征图像检测插值单元执行用于增加输入图像中部分存在的低亮度区域中的亮度值的内插处理。 最小值滤波器单元对经过内插处理的图像执行最小值滤波处理,并且低通滤波器对经过最小值滤波处理的图像执行低通滤波处理,从而生成低频分量图像 。 减法器通过从输入图像中减去低频分量图像来生成高频分量图像。 系数乘法器将高频分量图像的亮度值以预设比率K1输入到输入图像,从而生成高频分量增强图像。 选择器交替地输出低频分量图像和高频分量增强图像。
    • 5. 发明授权
    • Image processing apparatus and image processing method
    • 图像处理装置和图像处理方法
    • US08174624B2
    • 2012-05-08
    • US12724913
    • 2010-03-16
    • Yukihiko Sakashita
    • Yukihiko Sakashita
    • H04N7/00H04N11/00H04N5/00H04N5/14H04N3/14G06K9/40G09G3/30
    • H04N9/3182G09G3/001G09G3/2022G09G5/363G09G2310/04G09G2320/0261
    • An apparatus outputs an image signal for each frame, divides a frame into sub-frames, acquires a first signal of high frequency components and a second signal of low frequency components of a sub-frame, and generates a third signal by multiplying the second signal by K. If a fourth signal obtained by adding the third signal to the first signal falls within a predetermined range, the apparatus outputs the third signal, whereas if the fourth signal includes a portion exceeding the range, the apparatus outputs a signal obtained by correcting the third signal. The apparatus also generates a composition signal of the output signal and the first signal and a fifth signal by multiplying the third signal by a correction amount y of the third signal. As a sub-frame of interest, either the composition signal or the fifth signal is output.
    • 装置输出每帧的图像信号,将帧划分成子帧,获取高频分量的第一信号和子帧的低频分量的第二信号,并通过将第二信号 如果通过将第三信号添加到第一信号而获得的第四信号落在预定范围内,则装置输出第三信号,而如果第四信号包括超过该范围的部分,则装置输出通过校正获得的信号 第三个信号。 该装置还通过将第三信号乘以第三信号的校正量y来产生输出信号和第一信号的合成信号和第五信号。 作为感兴趣的子帧,输出合成信号或第五信号。
    • 6. 发明申请
    • VIDEO PROCESSING APPARATUS AND VIDEO PROCESSING METHOD
    • 视频处理设备和视频处理方法
    • US20110170009A1
    • 2011-07-14
    • US12970076
    • 2010-12-16
    • Shinichi UemuraYukihiko Sakashita
    • Shinichi UemuraYukihiko Sakashita
    • H04N9/76
    • G09G3/3611G09G3/3614G09G2320/0257G09G2340/0435
    • A video processing apparatus in which image quality degradation, such as burn-in, is prevented while reducing motion blurs by implementing pseudo-impulse driving. By combining high-frequency image data and low-frequency image data at the immediately preceding sub-frame at a first composite ratio α, image data is generated as first-sub-frame image data. By combining low-frequency image data and high-frequency image data at a second composite ratio 1−α, image data is generated as second-sub-frame image data. Then, the second-sub-frame image data is output with their polarity inverted with respect to the first-sub-frame image data. The ratio α is gradually decreased frame by frame at the first frame group, and the ratio α is gradually increased frame by frame at the second frame group subsequent to the first frame group.
    • 通过实施伪脉冲驱动来减少运动模糊,防止诸如老化等图像质量下降的视频处理装置。 通过以第一合成比率α将紧邻在前的子帧的高频图像数据和低频图像数据组合,生成图像数据作为第一子帧图像数据。 通过以第二合成比1-α组合低频图像数据和高频图像数据,生成图像数据作为第二子帧图像数据。 然后,第二子帧图像数据以与第一子帧图像数据相反的极性被输出。 比率α逐帧逐帧降低,第一帧组之后的第二帧组逐帧增加比率α。
    • 7. 发明申请
    • LIQUID-CRYSTAL DISPLAY APPARATUS, CONTROL METHOD THEREOF, AND COMPUTER PROGRAM
    • 液晶显示设备,其控制方法和计算机程序
    • US20080252583A1
    • 2008-10-16
    • US11947171
    • 2007-11-29
    • Yukihiko SakashitaAkihiro OuchiRyosuke Mizuno
    • Yukihiko SakashitaAkihiro OuchiRyosuke Mizuno
    • G09G3/36
    • G09G3/3614G09G3/001G09G2320/0204G09G2320/0252
    • A liquid-crystal display apparatus comprising, a liquid-crystal display device driven by an AC voltage, an image divider configured to temporally divide input image data into N (N≧2) for each frame, a correction unit configured to correct a driving voltage for driving the liquid-crystal display device based on a difference between adjacent divided image data obtained by the N division, a polarity inverter configured to invert a polarity to make drive polarities of adjacent divided image data different, out of the divided image data obtained by the N division including the divided image data for which driving voltage is corrected by the correction unit, a driver configured to drive the liquid-crystal display device using the polarity-inverted divided image data, and an inversion order alteration unit which alters an inversion order for the drive polarities.
    • 一种液晶显示装置,包括由AC电压驱动的液晶显示装置,被配置为将输入图像数据时间分割为每帧的N(N> = 2)的图像分割器,校正单元,被配置为校正驱动 基于由N分割获得的相邻分割图像数据之间的差异来驱动液晶显示装置的电压,极性反转器,被配置为反转极性,使相邻分割图像数据的驱动极性不同,从得到的分割图像数据中 通过包括由校正单元校正驱动电压的分割图像数据的N分割器,配置为使用极性反转的分割图像数据驱动液晶显示装置的驱动器和改变反转的反转次序改变单元 命令驱动极性。
    • 9. 发明授权
    • Arithmetic processing apparatus and arithmetic processing circuit
    • 算术处理装置和算术处理电路
    • US5864495A
    • 1999-01-26
    • US591343
    • 1996-01-25
    • Yukihiko SakashitaHayao OhzuAkihiro Ouchi
    • Yukihiko SakashitaHayao OhzuAkihiro Ouchi
    • H03M1/38G06J1/00H03K5/08H03K19/0948H03M1/42H03M1/80G06G7/00
    • H03M1/42G06J1/00H03M1/804
    • An arithmetic processing apparatus or circuit for performing charge redistribution by one or more capacitances connected to an input portion of each comparator are realized with improved arithmetic accuracy as suppressing dispersion and errors of gains of signals input into comparators, in such an arrangement that as the arithmetic processing apparatus is arranged to have a plurality of comparators, each having one or more capacitances connected to the input portion thereof, a sum of the capacitors connected to the input portions of each comparators 71 (or 72), C.sub.11 +. . .+C.sub.1n (or C.sub.81 +. . .+C.sub.8m), is substantially equalized among the plurality of comparators, or a ratio of the sum of the capacitors connected to the input portion of each comparator 71 (or 72), C.sub.11 +. . .+C.sub.1n (or C.sub.81 +. . .+C.sub.8m), and input capacitance C.sub.p1 (or C.sub.p2) of the comparator is substantially equalized among the comparators.
    • 通过提高运算精度来实现用于通过连接到每个比较器的输入部分的一个或多个电容进行电荷重新分配的运算处理装置或电路,以抑制输入到比较器中的信号的增益的色散和误差, 处理装置被布置为具有多个比较器,每个比较器具有连接到其输入部分的一个或多个电容,连接到每个比较器71(或72)的输入部分C11 +的电容器的总和。 。 + C1n(或C81 + ... + C8m)在多个比较器中基本相等,或者连接到每个比较器71(或72)的输入部分的电容器C11 +之和的比率。 。 + C1n(或C81 + ... + C8m)和比较器的输入电容Cp1(或Cp2)在比较器之间基本相等。