Apparatus and method for processing color images
    61.
    发明授权
    Apparatus and method for processing color images 有权
    用于处理彩色图像的装置和方法

    公开(公告)号:US06639628B1

    公开(公告)日:2003-10-28

    申请号:US09425674

    申请日:1999-10-22

    IPC分类号: H04N973

    CPC分类号: H04N9/735

    摘要: An apparatus and method for processing color images are provided. The apparatus includes a color conversion unit for white-transforming signals in RGB space. The color conversion unit includes a first white-transforming means for white-transforming signals in RGB space to signals in a predetermined color space using N predetermined illuminant colors, and a second white-transforming means for white-transforming the signals in the predetermined color space to the signals in RGB space using M predetermined color temperatures of the display means, so that a natural color image or an image of a desirable color can be obtained without information with respect to the illuminant.

    摘要翻译: 提供了一种用于处理彩色图像的设备和方法。 该装置包括用于在RGB空间中白化变换信号的颜色转换单元。 颜色转换单元包括:第一白变换装置,用于将RGB空间中的信号白变换为使用N个预定光源颜色的预定颜色空间中的信号;以及第二白变换装置,用于对预定颜色空间中的信号进行白变换 使用M个显示装置的预定色温,在RGB空间中的信号,从而可以获得关于照明器的信息的自然彩色图像或期望颜色的图像。

    Image processing apparatus and method of enhancing visibility of displayed image
    63.
    发明授权
    Image processing apparatus and method of enhancing visibility of displayed image 有权
    提高显示图像的可见度的图像处理装置和方法

    公开(公告)号:US08913194B2

    公开(公告)日:2014-12-16

    申请号:US11768412

    申请日:2007-06-26

    摘要: An image processing apparatus and method to reduce the deterioration of visibility of an image displayed on an image display device occurring under various lighting conditions when the brightness of ambient light is brighter than that of the image display device, and includes a sensor to sense the brightness of an external light, a unit to store a luminance-contrast model curve representing an optimal contrast value for a particular luminance for each brightness of the external light, a unit to determine a target luminance value according to the sensed brightness of the external light, to obtain a contrast value corresponding to the target luminance value with reference to the luminance-contrast model curve corresponding to the sensed brightness, and to adjust an input image to have the target luminance value and the obtained contrast value, and a unit to adjust the saturation of the adjusted input image according to the target luminance value and the obtained contrast value.

    摘要翻译: 一种图像处理装置和方法,用于当环境光的亮度比图像显示装置的亮度更亮时,减少在各种照明条件下发生的图像显示装置上显示的图像的可见度的劣化,并且包括用于感测亮度的传感器 外部光的单位,用于存储表示对于外部光的每个亮度的特定亮度的最佳对比度值的亮度对比度模型曲线的单元,根据感测到的外部光的亮度来确定目标亮度值的单元, 参照对应于感测到的亮度的亮度对比度模型曲线来获得与目标亮度值对应的对比度值,并且调整输入图像以具有目标亮度值和获得的对比度值,以及调整单元 根据目标亮度值和所获得的对比度值调整的输入图像的饱和度。

    Apparatus and method of up-converting frame rate of decoded frame
    64.
    发明授权
    Apparatus and method of up-converting frame rate of decoded frame 有权
    帧转换帧速率的装置和方法

    公开(公告)号:US08457205B2

    公开(公告)日:2013-06-04

    申请号:US11946203

    申请日:2007-11-28

    申请人: Aron Baik Du-sik Park

    发明人: Aron Baik Du-sik Park

    IPC分类号: H04N7/26

    摘要: An apparatus and method of up-converting a frame rate using frames that are decoded from a video decoder and motion information, the apparatus including: a motion vector resampling unit to resample a motion vector for the interpolated frame by filtering a motion vector of a current block using the motion vector of the current block and motion vectors of adjacent blocks in the decoded frame; a motion compensating unit to compensate a motion of the decoded frame by the resampled motion vector to produce the interpolated frame; and a switch to selectively output one of the decoded frame and the interpolated frame according to the sequential order of the frames.

    摘要翻译: 一种使用从视频解码器解码的帧和运动信息对帧速率进行上变频的装置和方法,所述装置包括:运动矢量重采样单元,用于通过对当前帧的运动矢量进行滤波来重新采样内插帧的运动矢量 使用当前块的运动矢量和解码帧中的相邻块的运动矢量; 运动补偿单元,用于通过重采样运动矢量补偿解码帧的运动,以产生内插帧; 以及根据帧的顺序选择性地输出解码帧和插值帧之一的开关。

    Image processing apparatus and method of reducing power consumption of self-luminous display
    66.
    发明授权
    Image processing apparatus and method of reducing power consumption of self-luminous display 有权
    降低自发光显示功耗的图像处理装置及方法

    公开(公告)号:US08134549B2

    公开(公告)日:2012-03-13

    申请号:US11761875

    申请日:2007-06-12

    IPC分类号: G09G5/00

    摘要: An image processing apparatus and a method to reduce power consumption of a self-luminous display. The image processing apparatus includes a parameter selection unit to select a parameter to adjust a degree to which power consumption is reduced; a scale factor setting unit to extract a high-frequency component of a current pixel in an input image and to set a scale factor according to the selected parameter and a size of the extracted high-frequency component; and a multiplier to multiply the current pixel by the set scale factor and to output a result of the multiplication.

    摘要翻译: 一种降低自发光显示器的功耗的图像处理装置和方法。 图像处理装置包括:参数选择单元,用于选择参数来调节降低功耗的程度; 比例因子设置单元,用于提取输入图像中的当前像素的高频分量,并根据所选择的参数和提取的高频分量的大小来设置比例因子; 以及将当前像素乘以设定的比例因子并输出乘法结果的乘法器。

    Low-power driving apparatus and method
    67.
    发明申请
    Low-power driving apparatus and method 审中-公开
    低功率驱动装置及方法

    公开(公告)号:US20120044274A1

    公开(公告)日:2012-02-23

    申请号:US13200337

    申请日:2011-09-23

    IPC分类号: G09G5/10

    摘要: A low-power driving apparatus and method are provided. The low-power driving apparatus includes an illuminance-sensing module to sense illuminance, a minimum-perceivable-brightness-determination module to determine a minimum perceivable brightness having non-linear characteristics corresponding to the sensed illuminance, a driving-power-level-determination module to determine a power level based on the determined minimum perceivable brightness, and a driving module to display an image input according to the determined driving power level.

    摘要翻译: 提供了一种低功率驱动装置和方法。 低功率驱动装置包括感测照度的照度感测模块,用于确定具有与感测到的照度相对应的非线性特性的最小感知亮度的最小感知亮度确定模块,驱动功率级别确定 模块,用于基于确定的最小可感知亮度来确定功率电平;以及驱动模块,用于根据所确定的驱动功率电平显示图像输入。

    Motion estimation apparatus and method
    68.
    发明授权
    Motion estimation apparatus and method 有权
    运动估计装置及方法

    公开(公告)号:US08045619B2

    公开(公告)日:2011-10-25

    申请号:US11336837

    申请日:2006-01-23

    IPC分类号: H04N7/12

    摘要: A motion estimation apparatus and method is disclosed. The apparatus includes a block error calculator to calculate a specified block error based on a candidate motion vector previously estimated and spatiotemporarily neighboring on a present block; a motion estimation mode decider to decide a motion estimation mode for the present block to be processed based on the calculated block error; and a motion vector estimator to estimate a last motion vector in the decided motion estimation mode.

    摘要翻译: 公开了一种运动估计装置和方法。 该装置包括块误差计算器,用于基于先前估计并在当前块上与时空相邻的候选运动矢量来计算指定块误差; 运动估计模式判定器,用于基于所计算的块误差来决定要处理的当前块的运动估计模式; 以及运动矢量估计器,用于估计所确定的运动估计模式中的最后运动矢量。

    Method and apparatus for enhancing contrast
    69.
    发明授权
    Method and apparatus for enhancing contrast 失效
    用于增强对比度的方法和装置

    公开(公告)号:US07940997B2

    公开(公告)日:2011-05-10

    申请号:US11584666

    申请日:2006-10-23

    IPC分类号: G06K9/38 G06K9/00 G06K9/40

    摘要: A method of enhancing contrast includes obtaining a first luminance histogram of an input image; generating a second luminance histogram through pixel redistribution for the first luminance histogram; computing a conversion function based on both a first cumulative density function based on the first luminance histogram and a second cumulative density function based on the second luminance histogram; and changing the luminance distribution of the input image based on the conversion function.

    摘要翻译: 增强对比度的方法包括获得输入图像的第一亮度直方图; 通过第一亮度直方图的像素重新分布产生第二亮度直方图; 基于第一亮度直方图的第一累积密度函数和基于第二亮度直方图的第二累积密度函数来计算转换函数; 以及基于所述转换功能来改变所述输入图像的亮度分布。