公开(公告)号：US07894001B2

公开(公告)日：2011-02-22

申请号：US11456867

申请日：2006-07-12

申请人： Wei-Kuo Lee ,  Yi-Fan Chen

发明人： Wei-Kuo Lee ,  Yi-Fan Chen

IPC分类号： H04N9/64

CPC分类号： H04N9/643 ,  H04N1/6075

摘要： The present invention provides a hue control system for adjusting a hue of a specified color. The system includes a hue determining circuit and a hue adjusting circuit. The hue determining circuit receives a plurality of color signals of the specified color and a plurality of hue adjusting values each corresponding to one color. The hue determining circuit generates a target hue value according to the color signals and the hue adjusting values. The hue adjusting circuit is coupled to the hue determining circuit. The hue adjusting circuit receives the color signals and the target hue value, and adjusts the hue of the color signals according to the target hue value.

摘要翻译： 本发明提供一种用于调节指定颜色的色调的色调控制系统。 该系统包括色相确定电路和色调调节电路。 色相确定电路接收指定颜色的多个颜色信号和各自对应于一种颜色的多个色调调整值。 色相确定电路根据颜色信号和色调调整值产生目标色调值。 色调调节电路耦合到色调确定电路。 色调调整电路接收彩色信号和目标色调值，并根据目标色调值调整色彩信号的色调。

公开(公告)号：US07405771B2

公开(公告)日：2008-07-29

申请号：US10965889

申请日：2004-10-18

申请人： Wei-Kuo Lee ,  Yi-Fan Chen ,  Her-Ming Jong

发明人： Wei-Kuo Lee ,  Yi-Fan Chen ,  Her-Ming Jong

IPC分类号： H04N9/68 ,  H04N5/52

CPC分类号： H04N9/68

摘要： The present invention discloses a method and a device for independent color management by using a look-up table (LUT) so as to adjust the color saturation of a single color independently. The method comprises steps of: receiving a color signal of an input pixel; determining color flags and initial saturation values from the color signal by using a look-up table (LUT); obtaining user-controlled color gains according to the color flags; multiplying each of the initial saturation values with one of the corresponding user controlled color gains so as to output an adjusted saturation value; determining a final gain from each the adjusted saturation value by bilinear interpolation according lower-bits of the color signal; and obtaining a new color signal according to the final gain and the color signal. The device comprises a look-up table circuit, defining color flags and initial saturation values as a plurality of points on a coordinate system and receiving a color signal as to output a plurality of signals; a gain output device, receiving the color flags, the initial saturation values and user controlled color gains as to output adjusted saturation gain signals according to the initial saturation values and the user controlled color gains; and an operation unit, receiving the color signal, the initial gain signals as to adjust the color signal according to lower bits of the color signal and the adjusted saturation gain signals.

摘要翻译： 本发明公开了一种通过使用查找表（LUT）来独立地调整单色颜色饱和度的独立颜色管理的方法和装置。 该方法包括以下步骤：接收输入像素的彩色信号; 通过使用查找表（LUT）从颜色信号确定颜色标记和初始饱和度值; 根据颜色标志获得用户控制的色彩增益; 将每个初始饱和度值与相应的用户控制的色彩增益之一相乘，以便输出调整的饱和度值; 根据彩色信号的较低位通过双线性插值从每个调整的饱和度值确定最终增益; 并根据最终增益和颜色信号获得新的颜色信号。 该装置包括查找表电路，其将彩色标志和初始饱和度值定义为坐标系上的多个点，并接收输出多个信号的彩色信号; 增益输出装置，接收彩色标志，初始饱和度值和用户控制的色彩增益，以便根据初始饱和度值和用户控制的色彩增益输出调整饱和度增益信号; 以及操作单元，接收彩色信号，初始增益信号，以根据彩色信号的低位和调整的饱和增益信号来调整彩色信号。

公开(公告)号：US08253862B2

公开(公告)日：2012-08-28

申请号：US12191368

申请日：2008-08-14

申请人： Yi-Fan Chen ,  Wei-Kuo Lee

发明人： Yi-Fan Chen ,  Wei-Kuo Lee

IPC分类号： H04N5/21

CPC分类号： H04N5/21 ,  G06T5/002 ,  G06T5/003 ,  G06T7/13 ,  G06T2207/10024 ,  H04N1/58 ,  H04N5/208 ,  H04N9/646

摘要： The present invention discloses a method and a device for image sharpness adjustment. The device comprises a color analyzer, a color sharpness setting unit, a computing circuit, and a luminance adjusting unit. The color analyzer is for analyzing an input color signal to generate a plurality of color flags. The color sharpness setting unit is for generating a plurality of first sharpness gains according to the plurality of the color flags. The computing circuit is for generating a second sharpness gain according to the plurality of the first sharpness gains and the input color signal. The luminance adjusting unit is for adjusting a luminance signal according to the second sharpness gain.

摘要翻译： 本发明公开了一种用于图像清晰度调整的方法和装置。 该装置包括彩色分析器，彩色锐度设定单元，计算电路和亮度调节单元。 颜色分析器用于分析输入颜色信号以产生多个颜色标志。 色彩清晰度设定单元用于根据多个颜色标记产生多个第一锐度增益。 计算电路用于根据多个第一锐度增益和输入颜色信号产生第二锐度增益。 亮度调整单元用于根据第二锐度增益来调整亮度信号。

公开(公告)号：US07782402B2

公开(公告)日：2010-08-24

申请号：US11456866

申请日：2006-07-12

申请人： Wei-Kuo Lee ,  Shih-Chung Wang ,  Yi-Fan Chen

发明人： Wei-Kuo Lee ,  Shih-Chung Wang ,  Yi-Fan Chen

IPC分类号： H04N5/217 ,  H04N5/21

CPC分类号： H04N5/21 ,  H04N5/144 ,  H04N9/77

摘要： The present invention provides an apparatus and corresponding method for reducing temporal noise of a target frame and enhancing the motion of the target frame. The apparatus includes a storage device, a temporal noise reducing circuit, and a motion enhancing circuit. The storage device stores a first filtered signal of a previous frame. The previous frame is previous to the target frame. The temporal noise reducing circuit reduces temporal noise of the target frame according to the first filtered signal and an image signal of the target frame. The temporal noise reducing circuit then generates a second filtered signal of the target frame, which is stored in the storage device. The motion enhancing circuit enhances the motion of the target frame according to the first and the second filtered signals, and generates a motion-enhanced signal of the target frame.

摘要翻译： 本发明提供了一种用于减少目标帧的时间噪声并增强目标帧的运动的装置和相应方法。 该装置包括存储装置，时间噪声降低电路和运动增强电路。 存储装置存储先前帧的第一滤波信号。 前一帧在目标帧之前。 时间噪声降低电路根据第一滤波信号和目标帧的图像信号，减少目标帧的时间噪声。 然后，时间噪声降低电路产生存储在存储装置中的目标帧的第二滤波信号。 运动增强电路根据第一和第二滤波信号增强目标帧的运动，并产生目标帧的运动增强信号。

公开(公告)号：US20070211177A1

公开(公告)日：2007-09-13

申请号：US11456867

申请日：2006-07-12

申请人： Wei-Kuo Lee ,  Yi-Fan Chen

发明人： Wei-Kuo Lee ,  Yi-Fan Chen

IPC分类号： H04N9/64

CPC分类号： H04N9/643 ,  H04N1/6075

摘要： The present invention provides a hue control system for adjusting a hue of a specified color. The system includes a hue determining circuit and a hue adjusting circuit. The hue determining circuit receives a plurality of color signals of the specified color and a plurality of hue adjusting values each corresponding to one color. The hue determining circuit generates a target hue value according to the color signals and the hue adjusting values. The hue adjusting circuit is coupled to the hue determining circuit. The hue adjusting circuit receives the color signals and the target hue value, and adjusts the hue of the color signals according to the target hue value.

摘要翻译： 本发明提供一种用于调节指定颜色的色调的色调控制系统。 该系统包括色相确定电路和色调调节电路。 色相确定电路接收指定颜色的多个颜色信号和各自对应于一种颜色的多个色调调整值。 色相确定电路根据颜色信号和色调调整值产生目标色调值。 色调调节电路耦合到色调确定电路。 色调调整电路接收彩色信号和目标色调值，并根据目标色调值调整色彩信号的色调。

公开(公告)号：US08648784B2

公开(公告)日：2014-02-11

申请号：US12963329

申请日：2010-12-08

申请人： Wei-Kuo Lee ,  Yi-Fan Chen

发明人： Wei-Kuo Lee ,  Yi-Fan Chen

IPC分类号： G09G3/36

CPC分类号： G09G5/003 ,  G09G3/2092 ,  G09G2320/0233 ,  G09G2320/0252 ,  G09G2320/0285 ,  G09G2320/066 ,  G09G2340/16 ,  G09G2360/18

摘要： The present invention relates to a device and a method for controlling a liquid crystal display. The device comprises a luminance weighting value processor, an overdrive value generator, and an outputting unit. The luminance weighting value processor generates a weighting value according to a luminance value of a current pixel of a current frame of a video signal and a luminance value of a previous pixel of a previous frame of the video signal. The overdrive value generator generates an overdrive value according to a current pixel value of the current pixel and a previous pixel value of the previous pixel. The outputting unit generates an output pixel value according to the weighting value, the overdrive value and the current pixel value. Using the device and the method for driving a liquid crystal display according to the present invention, noise due to overdrive process can be reduced.

摘要翻译： 本发明涉及一种用于控制液晶显示器的装置和方法。 该装置包括亮度加权值处理器，过驱动值产生器和输出单元。 亮度加权值处理器根据视频信号的当前帧的当前像素的亮度值和视频信号的先前帧的先前像素的亮度值来生成加权值。 过驱动值发生器根据当前像素的当前像素值和先前像素的先前像素值产生过驱动值。 输出单元根据加权值，过驱动值和当前像素值产生输出像素值。 使用根据本发明的用于驱动液晶显示器的装置和方法，可以减少由于过驱动过程引起的噪声。

公开(公告)号：US08217960B2

公开(公告)日：2012-07-10

申请号：US11524371

申请日：2006-09-21

申请人： Wei-Kuo Lee ,  Yi-Fan Chen

发明人： Wei-Kuo Lee ,  Yi-Fan Chen

IPC分类号： G09G5/02

CPC分类号： H04N5/57 ,  H04N9/77 ,  H04N21/4318

摘要： A device and a method for adjusting video luminance of at least a color in a display wherein the color is appointed by the user. The device comprises: a color flag generating module for transforming a plurality of color signals into a plurality of color flags; a luminance adjustment value calculating module for calculating a luminance adjustment output value according to a plurality of luminance adjustment input values of different colors and the plurality of color flags; and a luminance output module for applying the luminance adjustment output value to a luminance input signal so as to generate a luminance output signal. Using the device and the method according to the present invention, the user can respectively adjust the luminance of different colors.

摘要翻译： 一种用于调整显示器中的至少一种颜色的视频亮度的装置和方法，其中颜色由用户指定。 该装置包括：彩色标志生成模块，用于将多个彩色信号变换为多个彩色标志; 亮度调整值计算模块，用于根据多个不同颜色的亮度调整输入值和多个彩色标志来计算亮度调节输出值; 以及用于将亮度调整输出值应用于亮度输入信号以产生亮度输出信号的亮度输出模块。 使用根据本发明的装置和方法，用户可以分别调节不同颜色的亮度。

公开(公告)号：US20070164949A1

公开(公告)日：2007-07-19

申请号：US11513274

申请日：2006-08-31

申请人： Wei-Kuo Lee ,  Yi-Fan Chen

发明人： Wei-Kuo Lee ,  Yi-Fan Chen

IPC分类号： G09G3/36

CPC分类号： G09G5/003 ,  G09G3/2092 ,  G09G2320/0233 ,  G09G2320/0252 ,  G09G2320/0285 ,  G09G2320/066 ,  G09G2340/16 ,  G09G2360/18

摘要： The present invention relates to a device and a method for driving a liquid crystal display. The device comprises: a luminance weighting value processor for calculating a luminance weighting value according to a luminance value of a current frame and a luminance value of a previous frame of the video signal; an overdrive value generator for generating an overdrive value according to the current frame and the previous frame of the video signal; an overdrive weighting value generator for generating an overdrive weighting value according to the luminance weighting value and the overdrive value; and outputting unit for applying the overdrive weighting value and the overdrive value to the current frame of the video signal. Using the device and the method for driving a liquid crystal display according to the present invention, noise due to overdriving can be reduced.

摘要翻译： 本发明涉及一种用于驱动液晶显示器的装置和方法。 该装置包括：亮度加权值处理器，用于根据当前帧的亮度值和视频信号的前一帧的亮度值来计算亮度加权值; 过驱动值发生器，用于根据当前帧和视频信号的前一帧产生过驱动值; 过驱动加权值发生器，用于根据亮度加权值和过驱动值产生过驱动加权值; 以及用于将超速加权值和过驱动值应用于视频信号的当前帧的输出单元。 使用根据本发明的用于驱动液晶显示器的装置和方法，可以减少由于过度驱动引起的噪声。

公开(公告)号：US20070121014A1

公开(公告)日：2007-05-31

申请号：US11524371

申请日：2006-09-21

申请人： Wei-Kuo Lee ,  Yi-Fan Chen

发明人： Wei-Kuo Lee ,  Yi-Fan Chen

IPC分类号： H04N5/57

CPC分类号： H04N5/57 ,  H04N9/77 ,  H04N21/4318

摘要： A device and a method for adjusting video luminance of at least a color in a display wherein the color is appointed by the user. The device comprises: a color flag generating module for transforming a plurality of color signals into a plurality of color flags; a luminance adjustment value calculating module for calculating a luminance adjustment output value according to a plurality of luminance adjustment input values of different colors and the plurality of color flags; and a luminance output module for applying the luminance adjustment output value to a luminance input signal so as to generate a luminance output signal. Using the device and the method according to the present invention, the user can respectively adjust the luminance of different colors.

摘要翻译： 一种用于调整显示器中的至少一种颜色的视频亮度的装置和方法，其中颜色由用户指定。 该装置包括：彩色标志生成模块，用于将多个彩色信号变换为多个彩色标志; 亮度调整值计算模块，用于根据多个不同颜色的亮度调整输入值和多个彩色标志来计算亮度调节输出值; 以及用于将亮度调整输出值应用于亮度输入信号以产生亮度输出信号的亮度输出模块。 使用根据本发明的装置和方法，用户可以分别调节不同颜色的亮度。

公开(公告)号：US07633557B2

公开(公告)日：2009-12-15

申请号：US11217501

申请日：2005-09-02

申请人： Wei-Kuo Lee ,  Yi-Fan Chen

发明人： Wei-Kuo Lee ,  Yi-Fan Chen

IPC分类号： G03F3/08

CPC分类号： H04N9/77 ,  H04N9/646

摘要： The present invention relates to a method and a device for adaptive color correction by weighting procedure according to the pixel luminance so as to adjust the pixel chrominance. The present invention prevents color noise occurring in the dark pictures. The method for adaptive color correction, comprises steps of: providing a luminance value of a pixel: determining a weighting value corresponding to said luminance value of said pixel, wherein said weighting value substantially increases when said luminance value increases; and adjusting chrominance of said pixel according to said weighting value.

摘要翻译： 本发明涉及通过根据像素亮度的加权过程进行自适应色彩校正的方法和装置，以便调整像素色度。 本发明防止在黑暗图像中发生颜色噪声。 用于自适应色彩校正的方法包括以下步骤：提供像素的亮度值：确定与所述像素的所述亮度值相对应的加权值，其中当所述亮度值增加时所述加权值基本上增加; 以及根据所述加权值调整所述像素的色度。