公开(公告)号：US08116584B2

公开(公告)日：2012-02-14

申请号：US12007458

申请日：2008-01-10

申请人： Wei-Kuo Lee ,  Chien-Chih Chen ,  Shih-Chang Lai ,  Hsiang-Chun Lin

发明人： Wei-Kuo Lee ,  Chien-Chih Chen ,  Shih-Chang Lai ,  Hsiang-Chun Lin

IPC分类号： G06K9/40

CPC分类号： H04N19/86 ,  H04N19/42 ,  H04N19/61

摘要： The present invention discloses an adaptively de-blocking circuit and associated method. A mean is derived according to the neighboring pixels surrounding a central pixel of an image. A blending factor is determined according to a flatness of the image. An updated pixel value of the central pixel is determined by blending the original pixel value of the central pixel and the mean according to the blending factor. Finally, alternatively output the updated pixel value and the original pixel value of the central pixel in response to a block border signal.

摘要翻译： 本发明公开了一种自适应解块电路及相关方法。 根据围绕图像的中心像素的相邻像素导出平均值。 根据图像的平坦度确定混合因子。 通过根据混合因子混合中心像素的原始像素值和平均值来确定中心像素的更新像素值。 最后，响应于块边界信号替代地输出更新的像素值和中心像素的原始像素值。

公开(公告)号：US20080166060A1

公开(公告)日：2008-07-10

申请号：US12007458

申请日：2008-01-10

申请人： Wei-Kuo Lee ,  Chien-Chih Chen ,  Shih-Chang Lai ,  Hsiang-Chun Lin

发明人： Wei-Kuo Lee ,  Chien-Chih Chen ,  Shih-Chang Lai ,  Hsiang-Chun Lin

IPC分类号： G06K9/36

CPC分类号： H04N19/86 ,  H04N19/42 ,  H04N19/61

摘要： The present invention discloses an adaptively de-blocking circuit and associated method. A mean is derived according to the neighboring pixels surrounding a central pixel of an image. A blending factor is determined according to a flatness of the image. An updated pixel value of the central pixel is determined by blending the original pixel value of the central pixel and the mean according to the blending factor. Finally, alternatively output the updated pixel value and the original pixel value of the central pixel in response to a block border signal.

摘要翻译： 本发明公开了一种自适应解块电路及相关方法。 根据围绕图像的中心像素的相邻像素导出平均值。 根据图像的平坦度确定混合因子。 通过根据混合因子混合中心像素的原始像素值和平均值来确定中心像素的更新像素值。 最后，响应于块边界信号替代地输出更新的像素值和中心像素的原始像素值。

公开(公告)号：US20100239181A1

公开(公告)日：2010-09-23

申请号：US12725089

申请日：2010-03-16

申请人： Wei-Kuo Lee ,  Shih-Chang Lai

发明人： Wei-Kuo Lee ,  Shih-Chang Lai

IPC分类号： G06K9/40

CPC分类号： G06K9/40 ,  G06T5/002 ,  G06T2207/20004 ,  H04N19/117 ,  H04N19/14 ,  H04N19/176 ,  H04N19/86

摘要： A device for removing mosquito noise and associated method is provided to adaptively determine a proper strength for removing the mosquito noise according to image complexities, thereby removing the noise while maintaining the quality of image details. The device includes a buffer, a lookup table, and a strength determining unit. The buffer stores a pixel matrix having a target pixel. The lookup table stores a plurality of coefficients. The strength determining unit, coupled to the buffer and the lookup table, detects the image complexities of the pixel matrix and looks up the lookup table according to the image complexities of the pixel matrix, so as to output a strength coefficient for removing the mosquito noise.

摘要翻译： 提供一种消除蚊式噪音的装置和相关方法，以根据图像复杂性自适应地确定去除蚊式噪声的适当强度，从而消除噪音，同时保持图像细节的质量。 该装置包括缓冲器，查找表和强度确定单元。 缓冲器存储具有目标像素的像素矩阵。 查找表存储多个系数。 耦合到缓冲器和查找表的强度确定单元检测像素矩阵的图像复杂度，并根据像素矩阵的图像复杂度查找查找表，以输出去除蚊式噪声的强度系数 。

公开(公告)号：US08351739B2

公开(公告)日：2013-01-08

申请号：US12725089

申请日：2010-03-16

申请人： Wei-Kuo Lee ,  Shih-Chang Lai

发明人： Wei-Kuo Lee ,  Shih-Chang Lai

IPC分类号： G06K9/40 ,  H04N1/407

CPC分类号： G06K9/40 ,  G06T5/002 ,  G06T2207/20004 ,  H04N19/117 ,  H04N19/14 ,  H04N19/176 ,  H04N19/86

摘要： A device for removing mosquito noise and associated method is provided to adaptively determine a proper strength for removing the mosquito noise according to image complexities, thereby removing the noise while maintaining the quality of image details. The device includes a buffer, a lookup table, and a strength determining unit. The buffer stores a pixel matrix having a target pixel. The lookup table stores a plurality of coefficients. The strength determining unit, coupled to the buffer and the lookup table, detects the image complexities of the pixel matrix and looks up the lookup table according to the image complexities of the pixel matrix, so as to output a strength coefficient for removing the mosquito noise.

摘要翻译： 提供一种消除蚊式噪音的装置和相关方法，以根据图像复杂性自适应地确定去除蚊式噪声的适当强度，从而消除噪音，同时保持图像细节的质量。 该装置包括缓冲器，查找表和强度确定单元。 缓冲器存储具有目标像素的像素矩阵。 查找表存储多个系数。 耦合到缓冲器和查找表的强度确定单元检测像素矩阵的图像复杂度，并根据像素矩阵的图像复杂度查找查找表，以输出去除蚊式噪声的强度系数 。

公开(公告)号：US08041130B2

公开(公告)日：2011-10-18

申请号：US11971912

申请日：2008-01-10

申请人： Wei-Kuo Lee ,  Shih-Chang Lai

发明人： Wei-Kuo Lee ,  Shih-Chang Lai

IPC分类号： G06K9/36 ,  G06T9/00

CPC分类号： G09G3/3611 ,  G09G2320/0252 ,  G09G2340/02 ,  G09G2340/16

摘要： A compressive overdrive circuit includes: a compression unit for compressing a current frame to generate compressed data for buffering, where the compressed data comprises pixel values of a plurality of non-encoded pixels and a plurality of index values associated with the non-encoded pixels; and a decompression unit for decompressing according to the pixel values of the non-encoded pixels and the index values to generate data of a previous frame. The overdrive circuit performs overdrive processing according to the current frame and the previous frame.

摘要翻译： 压缩过驱动电路包括：压缩单元，用于压缩当前帧以产生用于缓冲的压缩数据，其中压缩数据包括多个非编码像素的像素值和与非编码像素相关联的多个索引值; 以及解压缩单元，用于根据非编码像素的像素值和索引值进行解压缩，以生成先前帧的数据。 过驱动电路根据当前帧和前一帧执行过驱动处理。

公开(公告)号：US20100091195A1

公开(公告)日：2010-04-15

申请号：US12575549

申请日：2009-10-08

申请人： Wei-Kuo Lee ,  Shih-Chang Lai ,  Po-Ming Chen

发明人： Wei-Kuo Lee ,  Shih-Chang Lai ,  Po-Ming Chen

IPC分类号： H04N5/21 ,  G06K9/40

CPC分类号： H04N5/142 ,  G06T5/003 ,  G06T2207/10016

摘要： A de-ringing device and a method thereof are provided. The de-ringing device, operative with a lookup table for storing a plurality of intensity coefficients, comprises a buffer and a de-ringing intensity determining unit. The buffer stores an input pixel sequence. The lookup table stores a plurality of intensity coefficients. The de-ringing intensity determining unit, coupled to the buffer and the lookup table, detects a plurality of pixel complexity of a first pixel group and a second pixel group associated with a target pixel in the pixel sequence, and looks up the lookup table according to the pixel complexities of the first pixel group and the second pixel group to output a de-ring intensity coefficient for the target pixel.

摘要翻译： 提供去振铃装置及其​​方法。 与用于存储多个强度系数的查找表一起操作的解除振铃装置包括缓冲器和去振铃强度确定单元。 缓冲器存储输入像素序列。 查找表存储多个强度系数。 耦合到缓冲器和查找表的去振铃强度确定单元检测与像素序列中的目标像素相关联的第一像素组和第二像素组的多个像素复杂度，并且根据 涉及第一像素组和第二像素组的像素复杂度，以输出目标像素的去环形强度系数。

公开(公告)号：US20080212875A1

公开(公告)日：2008-09-04

申请号：US11971912

申请日：2008-01-10

申请人： Wei-Kuo Lee ,  Shih-Chang Lai

发明人： Wei-Kuo Lee ,  Shih-Chang Lai

IPC分类号： G06K9/00

CPC分类号： G09G3/3611 ,  G09G2320/0252 ,  G09G2340/02 ,  G09G2340/16

摘要： A compressive overdrive circuit includes: a compression unit for compressing a current frame to generate compressed data for buffering, where the compressed data comprises pixel values of a plurality of non-encoded pixels and a plurality of index values associated with the non-encoded pixels; and a decompression unit for decompressing according to the pixel values of the non-encoded pixels and the index values to generate data of a previous frame. The overdrive circuit performs overdrive processing according to the current frame and the previous frame.

摘要翻译： 压缩过驱动电路包括：压缩单元，用于压缩当前帧以产生用于缓冲的压缩数据，其中压缩数据包括多个非编码像素的像素值和与非编码像素相关联的多个索引值; 以及解压缩单元，用于根据非编码像素的像素值和索引值进行解压缩，以生成先前帧的数据。 过驱动电路根据当前帧和前一帧执行过驱动处理。

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：US20110013704A1

公开(公告)日：2011-01-20

申请号：US12603226

申请日：2009-10-21

申请人： Han-Jen Hsu ,  Wei-Kuo Lee

发明人： Han-Jen Hsu ,  Wei-Kuo Lee

IPC分类号： H04B1/66

CPC分类号： H04N19/86 ,  H04N19/117 ,  H04N19/14 ,  H04N19/80

摘要： A deblocking apparatus is provided. The deblocking apparatus includes a filter, a blocking detection module and a blending unit. The filter receives a target pixel of a pixel matrix to generate a filtered target pixel. The blocking detection module generates a deblocking intensity factor according to the pixel matrix. The blending unit receives the target pixel and the filtered target pixel, and dynamically blends the target pixel and the filtered target pixel to output an output pixel according to the deblocking intensity factor.

摘要翻译： 提供了一种解块装置。 去块装置包括过滤器，阻挡检测模块和混合单元。 滤波器接收像素矩阵的目标像素以生成滤波的目标像素。 阻塞检测模块根据像素矩阵生成去块强度因子。 混合单元接收目标像素和滤波的目标像素，并且动态地混合目标像素和滤波的目标像素，以根据去块强度因子输出输出像素。

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。