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    • 2. 发明申请
    • Color Adjustment Device and Method
    • 颜色调整装置及方法
    • US20090009525A1
    • 2009-01-08
    • US11791725
    • 2005-11-28
    • Tsuyoshi HirashimaShuichi OjimaJun IkedaRyouta HataShinya Kiuchi
    • Tsuyoshi HirashimaShuichi OjimaJun IkedaRyouta HataShinya Kiuchi
    • G09G5/02
    • H04N1/62H04N1/628H04N9/643H04N9/646
    • A color adjustment device (100) comprises an image characteristic amount acquiring unit (10), a specific-color-area determination unit (20), and a color compensation unit (30). The image characteristic amount acquiring unit (10) acquires the image characteristic amount of an input image from the average luminance or additional information of the input image. The specific-color-area determination unit (20) determines a specific color area based on the image characteristic amount. With reference to the specific color area, the color compensation unit (30) calculates the degree of similarity of the input color of the input image to the specific color, and performs the color adjustment of the input color of the input image with respect to at least one specific color. The area of the input image which is comparatively wide and possesses a color of the same system as the specific color is not wrongly recognized as the area of the specific color.
    • 颜色调整装置(100)包括图像特征量获取单元(10),特定颜色区域确定单元(20)和颜色补偿单元(30)。 图像特征量获取单元(10)从输入图像的平均亮度或附加信息获取输入图像的图像特征量。 特定颜色区域确定单元(20)基于图像特征量确定特定颜色区域。 参照特定的颜色区域,颜色补偿单元(30)计算输入图像的输入颜色与特定颜色的相似度,并且对输入图像的输入颜色进行颜色调整 至少一种特定的颜色。 相对较宽且具有与特定颜色相同系统的颜色的输入图像的区域未被错误地识别为特定颜色的区域。
    • 4. 发明授权
    • Video signal converter and video display device
    • 视频信号转换器和视频显示设备
    • US07956927B2
    • 2011-06-07
    • US11597411
    • 2005-10-26
    • Shinya KiuchiJun IkedaShuichi OjimaTsuyoshi HirashimaRyouta Hata
    • Shinya KiuchiJun IkedaShuichi OjimaTsuyoshi HirashimaRyouta Hata
    • H04N7/01H04N5/66
    • G09G5/00G06F1/3218G09G2320/0606G09G2320/0613G09G2330/021G09G2360/144G09G2360/16G09G2360/18H04N5/57H04N21/42202H04N21/4318H04N21/44008H04N21/4436
    • A video signal converter has a target pixel setting unit which sets up a position of a target pixel of an input video signal, a position parameter feeding unit which supplies a position parameter depending on the position of the target pixel set by the target pixel setting unit, and a characteristic amount calculating unit which calculates a characteristic amount of the input video signal. The video signal converter also has a detection-threshold setting unit which sets up a detection threshold based on the characteristic amount calculated by the characteristic amount calculating unit, a compensation parameter setting unit which determines a compensation parameter based on the position parameter supplied by the position parameter feeding unit and the detection threshold set by the detection-threshold setting unit, and a multiplier which converts a signal of the target pixel set by the target pixel setting unit in the input video signal, based on the compensation parameter determined by the compensation parameter setting unit, and outputs the conversion result.
    • 视频信号转换器具有设置输入视频信号的目标像素的位置的目标像素设置单元,位置参数馈送单元,其根据由目标像素设置单元设置的目标像素的位置提供位置参数 以及计算输入视频信号的特征量的特征量计算单元。 视频信号转换器还具有检测阈值设定单元,其基于由特征量计算单元计算出的特征量建立检测阈值;补偿参数设定单元,其基于由位置提供的位置参数来确定补偿参数 参数馈送单元和由检测阈值设置单元设置的检测阈值;以及乘法器,其基于由补偿参数确定的补偿参数,将由输入视频信号中的目标像素设置单元设置的目标像素的信号进行转换 设置单位,并输出转换结果。
    • 6. 发明授权
    • Display control device and display device
    • 显示控制装置和显示装置
    • US07245308B2
    • 2007-07-17
    • US10808416
    • 2004-03-25
    • Shinya KiuchiJun IkedaShuichi OjimaTsuyoshi HirashimaRyouta Hata
    • Shinya KiuchiJun IkedaShuichi OjimaTsuyoshi HirashimaRyouta Hata
    • G09G5/00
    • H04N9/646H04N5/20
    • A display control device is provided which includes characteristic value-calculating unit for calculating a characteristic value based on an input image signal, a conversion characteristic-calculating unit for determining a conversion characteristic from the characteristic value, and a signal-converting unit for converting the input image signals in accordance with the determined conversion characteristic. The conversion characteristic has a low level region segment, which is close to the origin of axes respectively representing the input image signal and an output image signal of the display control device, a high level region segment, which is close to a full scale point, and a middle level region segment, which is positioned between the low level region and high level region, and the slope in the middle level region is set so as to be larger than both of the slopes of the low level region and the high level region.
    • 提供了一种显示控制装置,其包括:特征值计算单元,用于基于输入图像信号计算特征值;转换特性计算单元,用于根据特征值确定转换特性;以及信号转换单元,用于将 根据确定的转换特性输入图像信号。 转换特性具有低水平区域段,其接近分别表示输入图像信号的轴的原点和显示控制装置的输出图像信号,接近满刻度点的高电平区域段, 以及位于低电平区域和高电平区域之间的中间电平区域段,并且中间电平区域中的斜率被设定为大于低电平区域和高电平区域的两个斜率 。
    • 8. 发明授权
    • Image processing device, image display device, and image processing method
    • 图像处理装置,图像显示装置和图像处理方法
    • US08334932B2
    • 2012-12-18
    • US12728374
    • 2010-03-22
    • Shinya KiuchiJun IkedaShuichi OjimaTsuyoshi HirashimaRyouta Hata
    • Shinya KiuchiJun IkedaShuichi OjimaTsuyoshi HirashimaRyouta Hata
    • H04N5/14
    • H04N5/20H04N5/147H04N5/202
    • An image processing device includes a target correction amount calculating unit operable to calculate a target correction amount based on input image signals, a frame memory operable to store the input image signals, and a scene change amount calculating unit operable to calculate a scene change amount based on an input image signal of a present frame and an input image signal of a previous frame. Moreover, the image processing device includes a correction amount calculating unit operable to calculate a correction amount for the input image signal of the present frame, based on the target correction amount and the scene change amount, and a correcting unit operable to perform image quality correction to the input image signal of the present frame to generate a corrected input image signal, thereby outputting a corrected input image signal as an output image signal.
    • 一种图像处理装置,包括:目标校正量计算单元,用于基于输入图像信号计算目标校正量;可操作地存储输入图像信号的帧存储器;以及场景变化量计算单元,用于计算基于场景变化量的 在当前帧的输入图像信号和前一帧的输入图像信号上。 此外,图像处理装置包括:校正量计算单元,用于基于目标校正量和场景变化量计算当前帧的输入图像信号的校正量;以及校正单元,用于执行图像质量校正 到当前帧的输入图像信号以产生经校正的输入图像信号,由此输出校正的输入图像信号作为输出图像信号。
    • 10. 发明授权
    • Display control method and device thereof
    • 显示控制方法及其装置
    • US08031213B2
    • 2011-10-04
    • US11993358
    • 2006-06-14
    • Ryouta HataJun IkedaShuichi OjimaTsuyoshi HirashimaShinya Kiuchi
    • Ryouta HataJun IkedaShuichi OjimaTsuyoshi HirashimaShinya Kiuchi
    • G09G5/10
    • G09G3/3611G02F1/13306G09G3/3406G09G2310/08G09G2320/0646G09G2320/103G09G2330/021G09G2360/16
    • There is provided a display control method capable of reducing unnecessary processing and unnecessary power consumption caused by is. The display control method uses an update judgment unit (33) for judging whether a display content has been updated, a characteristic amount extraction unit (36) for obtaining the characteristic amount of the display content, a control unit (20) for the characteristic amount extraction unit (36) to reference the obtained characteristic amount and decide a correction parameter, and a display content correction unit (35) for correcting the display content according to the correction parameter and outputting the corrected display content to a display device (40). When the update judgment unit (33) has judged that the display content is not updated, the control unit (20) cuts off power supply to the characteristic amount extraction unit (36).
    • 提供了一种能够减少不必要的处理和不必要的功耗的显示控制方法。 显示控制方法使用用于判断显示内容是否被更新的更新判断单元(33),用于获得显示内容的特征量的特征量提取单元(36),用于特征量的控制单元(20) 提取单元(36),以参考所获得的特征量并确定校正参数;以及显示内容校正单元(35),用于根据校正参数校正显示内容,并将校正的显示内容输出到显示设备(40)。 当更新判断单元(33)判断为不更新显示内容时,控制单元(20)切断对特征量提取单元(36)的电力供应。