公开(公告)号：US20080101697A1

公开(公告)日：2008-05-01

申请号：US11907710

申请日：2007-10-16

Applicant: Yang-ho Cho ,  Seung-sin Lee ,  Ji-young Hong ,  Du-sik Park

Inventor： Yang-ho Cho ,  Seung-sin Lee ,  Ji-young Hong ,  Du-sik Park

IPC: G06K9/00

CPC classification number: G06T5/009 ,  G06T5/40 ,  G06T2207/20008

Abstract: An image processing method, medium, and system. The image processing method includes classifying an input image into predetermined image categories based on a feature of a brightness histogram of the input image, and adjusting a brightness of the input image based on grayscale functions corresponding to the image categories and positions of pixels making up the input image.

Abstract translation: 图像处理方法，介质和系统。 图像处理方法包括基于输入图像的亮度直方图的特征将输入图像分类为预定图像类别，并且基于对应于图像类别的灰度函数和构成图像的像素的位置来调整输入图像的亮度 输入图像。

公开(公告)号：US08155465B2

公开(公告)日：2012-04-10

申请号：US11907710

申请日：2007-10-16

Applicant: Yang-ho Cho ,  Seung-sin Lee ,  Ji-young Hong ,  Du-sik Park

Inventor： Yang-ho Cho ,  Seung-sin Lee ,  Ji-young Hong ,  Du-sik Park

IPC: G06K9/40 ,  G06K9/00

CPC classification number: G06T5/009 ,  G06T5/40 ,  G06T2207/20008

Abstract: An image processing method, medium, and system. The image processing method includes classifying an input image into predetermined image categories based on a feature of a brightness histogram of the input image, and adjusting a brightness of the input image based on grayscale functions corresponding to the image categories and positions of pixels making up the input image.

Abstract translation: 图像处理方法，介质和系统。 图像处理方法包括基于输入图像的亮度直方图的特征将输入图像分类为预定图像类别，并且基于对应于图像类别的灰度函数和构成图像的像素的位置来调整输入图像的亮度 输入图像。

公开(公告)号：US08254673B2

公开(公告)日：2012-08-28

申请号：US11837879

申请日：2007-08-13

Applicant: Young-shin Kwak ,  Ji-young Hong ,  Gun-woo Nam ,  Du-sik Park

Inventor： Young-shin Kwak ,  Ji-young Hong ,  Gun-woo Nam ,  Du-sik Park

IPC: G06K9/00 ,  G06K9/40

CPC classification number: G06K9/4652 ,  H04N1/6058

Abstract: An apparatus and method of reproducing a preferred color is provided. The apparatus includes a color distribution analysis module to analyze a distribution of colors in an input image, a dominant color extraction module to extract a dominant color from the input image according to a result of the analysis, a conversion domain determination module to determine a conversion domain to be processed in a color space based on a proportion of the dominant color, and a color conversion module to convert colors in the input image that belong to the conversion domain.

Abstract translation: 提供再现优选颜色的装置和方法。 该装置包括：颜色分布分析模块，用于分析输入图像中的颜色分布，主要颜色提取模块，用于根据分析结果从输入图像提取主色;转换域确定模块，用于确定转换 基于主色的比例在颜色空间中处理的域;以及颜色转换模块，用于转换属于转换域的输入图像中的颜色。

公开(公告)号：US20080144929A1

公开(公告)日：2008-06-19

申请号：US11837879

申请日：2007-08-13

Applicant: Young-shin KWAK ,  Ji-young Hong ,  Gun-woo Nam ,  Du-sik Park

Inventor： Young-shin KWAK ,  Ji-young Hong ,  Gun-woo Nam ,  Du-sik Park

IPC: G06K9/00 ,  G06K9/46

CPC classification number: G06K9/4652 ,  H04N1/6058

Abstract: An apparatus and method of reproducing a preferred color is provided. The apparatus includes a color distribution analysis module to analyze a distribution of colors in an input image, a dominant color extraction module to extract a dominant color from the input image according to a result of the analysis, a conversion domain determination module to determine a conversion domain to be processed in a color space based on a proportion of the dominant color, and a color conversion module to convert colors in the input image that belong to the conversion domain.

Abstract translation: 提供再现优选颜色的装置和方法。 该装置包括：颜色分布分析模块，用于分析输入图像中的颜色分布，主要颜色提取模块，用于根据分析结果从输入图像提取主色;转换域确定模块，用于确定转换 基于主色的比例在颜色空间中处理的域;以及颜色转换模块，用于转换属于转换域的输入图像中的颜色。

公开(公告)号：US08520939B2

公开(公告)日：2013-08-27

申请号：US11837894

申请日：2007-08-13

Applicant: Ji-young Hong ,  Du-sik Park ,  Young-shin Kwak

Inventor： Ji-young Hong ,  Du-sik Park ,  Young-shin Kwak

IPC: G06K9/34

CPC classification number: H04N1/62

Abstract: An apparatus and method of reproducing a preferred color to eliminate or reduce errors caused when converting of colors of an input image in corresponding color regions of a color space, respectively, wherein the colors of an input image are included in a plurality of different color regions. The apparatus includes a region judging unit to judge whether pixels of an input image are included in one or more preset color regions, a color converting unit to execute a color conversion of the pixels in at least one conversion-desired color regions among one or more color regions that include the pixels, and an output unit to output an image formed by the color-converted pixels.

Abstract translation: 一种再现优选颜色以消除或减少在颜色空间的相应颜色区域中分别输入图像的颜色转换时引起的错误的装置和方法，其中输入图像的颜色被包括在多个不同的颜色区域中 。 该装置包括区域判断单元，用于判断输入图像的像素是否包含在一个或多个预设颜色区域中;颜色转换单元，用于执行至少一个转换期望颜色区域中的像素在一个或多个中的颜色转换 包括像素的彩色区域和输出由颜色转换像素形成的图像的输出单元。

公开(公告)号：US20070165946A1

公开(公告)日：2007-07-19

申请号：US11653914

申请日：2007-01-17

Applicant: Ji-young Hong ,  Dae-su Chung ,  Du-sik Park ,  Young-shin Kwak

Inventor： Ji-young Hong ,  Dae-su Chung ,  Du-sik Park ,  Young-shin Kwak

IPC: G06K9/00

CPC classification number: H04N1/6075 ,  H04N1/56

Abstract: A method and apparatus for enhancing the quality of images using complementary color contrast are provided. The method includes (a) extracting color information of each of a plurality of pixels of an input image, (b) determining whether the input image includes both a first pixel belonging to a first group and a second pixel belonging to a second group with reference to the extracted color information, (c) converting a first hue of the first pixel into an optimum point of the first group, and (d) converting a second hue of the second pixel into an optimum point of the second group, wherein the first hue corresponding to the optimum point of the first group and the second hue corresponding to the optimum point of the second group are complementary to each other.

Abstract translation: 提供了一种用于增强使用互补色对比度的图像质量的方法和装置。 该方法包括（a）提取输入图像的多个像素中的每一个的颜色信息，（b）确定输入图像是否包括属于第一组的第一像素和属于具有参考的第二组的第二像素 提取颜色信息，（c）将第一像素的第一色调转换为第一组的最佳点，以及（d）将第二像素的第二色调转换为第二组的最佳点，其中第一组 对应于第一组的最佳点的色调和对应于第二组的最佳点的第二色调彼此互补。

公开(公告)号：US07769231B2

公开(公告)日：2010-08-03

申请号：US11653914

申请日：2007-01-17

Applicant: Ji-young Hong ,  Dae-su Chung ,  Du-sik Park ,  Young-shin Kwak

Inventor： Ji-young Hong ,  Dae-su Chung ,  Du-sik Park ,  Young-shin Kwak

IPC: G06K9/00

CPC classification number: H04N1/6075 ,  H04N1/56

Abstract: A method and apparatus for enhancing the quality of images using complementary color contrast are provided. The method includes (a) extracting color information of each of a plurality of pixels of an input image, (b) determining whether the input image includes both a first pixel belonging to a first group and a second pixel belonging to a second group with reference to the extracted color information, (c) converting a first hue of the first pixel into an optimum point of the first group, and (d) converting a second hue of the second pixel into an optimum point of the second group, wherein the first hue corresponding to the optimum point of the first group and the second hue corresponding to the optimum point of the second group are complementary to each other.

Abstract translation: 提供了一种用于增强使用互补色对比度的图像质量的方法和装置。 该方法包括（a）提取输入图像的多个像素中的每一个的颜色信息，（b）确定输入图像是否包括属于第一组的第一像素和属于具有参考的第二组的第二像素 提取颜色信息，（c）将第一像素的第一色调转换为第一组的最佳点，以及（d）将第二像素的第二色调转换为第二组的最佳点，其中第一组 对应于第一组的最佳点的色调和对应于第二组的最佳点的第二色调彼此互补。

公开(公告)号：US07649657B2

公开(公告)日：2010-01-19

申请号：US11603064

申请日：2006-11-22

Applicant: Young-shin Kwak ,  Seong-deok Lee ,  Ji-young Hong

Inventor： Young-shin Kwak ,  Seong-deok Lee ,  Ji-young Hong

IPC: G03F3/08

CPC classification number: G09G5/02 ,  H04N1/62 ,  H04N1/628

Abstract: A method and apparatus for an image adaptive color adjustment of pixels in a color gamut is disclosed. The method includes calculating a representative value that shows color characteristics of pixels included in a color gamut, calculating a final target color required to convert the representative value to approach a reference target point existing in the color gamut, and converting the pixels included in the color gamut to approach the final target color. The apparatus includes a color gamut boundary storage module; a reference target point storage module; a target color determination module which calculates a representative value that shows color characteristics of pixels included in a color gamut and calculates a final target color required to convert the representative value to approach the reference target point; and a color conversion module which converts the pixels included in the color gamut to approach the final target color.

Abstract translation: 公开了一种用于色域中的像素的图像自适应颜色调整的方法和装置。 该方法包括计算表示色域中包括的像素的颜色特性的代表值，计算将代表值转换为接近存在于色域中的参考目标点所需的最终目标颜色，以及转换颜色中包括的像素 色域接近最终目标色。 该装置包括色域边界存储模块; 参考目标点存储模块; 目标颜色确定模块，其计算表示包括在色域中的像素的颜色特性的代表值，并计算将代表值转换为接近参考目标点所需的最终目标颜色; 以及颜色转换模块，其将包括在色域中的像素转换为接近最终目标颜色。

公开(公告)号：US20070139677A1

公开(公告)日：2007-06-21

申请号：US11603064

申请日：2006-11-22

Applicant: Young-shin Kwak ,  Seong-deok Lee ,  Ji-young Hong

Inventor： Young-shin Kwak ,  Seong-deok Lee ,  Ji-young Hong

IPC: G03F3/08

CPC classification number: G09G5/02 ,  H04N1/62 ,  H04N1/628

Abstract: A method and apparatus for an image adaptive color adjustment of pixels in a color gamut is disclosed. The method includes calculating a representative value that shows color characteristics of pixels included in a color gamut, calculating a final target color required to convert the representative value to approach a reference target point existing in the color gamut, and converting the pixels included in the color gamut to approach the final target color. The apparatus includes a color gamut boundary storage module; a reference target point storage module; a target color determination module which calculates a representative value that shows color characteristics of pixels included in a color gamut and calculates a final target color required to convert the representative value to approach the reference target point; and a color conversion module which converts the pixels included in the color gamut to approach the final target color.

Abstract translation: 公开了一种用于色域中的像素的图像自适应颜色调整的方法和装置。 该方法包括计算表示色域中包括的像素的颜色特性的代表值，计算将代表值转换为接近存在于色域中的参考目标点所需的最终目标颜色，以及转换颜色中包括的像素 色域接近最终目标色。 该装置包括色域边界存储模块; 参考目标点存储模块; 目标颜色确定模块，其计算表示包括在色域中的像素的颜色特性的代表值，并计算将代表值转换为接近参考目标点所需的最终目标颜色; 以及颜色转换模块，其将包括在色域中的像素转换为接近最终目标颜色。