公开(公告)号：US08463067B2

公开(公告)日：2013-06-11

申请号：US11872280

申请日：2007-10-15

Applicant: In-ji Kim ,  Hyun-wook Ok ,  Du-sik Park ,  Yang-ho Cho

Inventor： In-ji Kim ,  Hyun-wook Ok ,  Du-sik Park ,  Yang-ho Cho

IPC: G06K9/40 ,  G06K9/00 ,  G09G5/02

CPC classification number: H04N1/6088

Abstract: An apparatus and method for improving visibility of an image. The apparatus includes: an image input module receiving an image; an illuminance sensing module sensing external illuminance; a visibility compensating module compensating the input image by mapping the input image from a first color gamut to a second color gamut on the basis of the sensed external illuminance; and an image output module outputting the compensated image.

Abstract translation: 一种用于提高图像的可视性的装置和方法。 该装置包括：图像输入模块，接收图像; 感测外部照度的照度感测模块; 可视化补偿模块，其基于感测到的外部照度，将输入图像从第一色域映射到第二色域来补偿输入图像; 以及输出补偿图像的图像输出模块。

公开(公告)号：US20120169797A1

公开(公告)日：2012-07-05

申请号：US13418116

申请日：2012-03-12

Applicant: Won-hee CHOE ,  In-Ji Kim ,  Seong-deok Lee ,  Chang-Yeong Kim

Inventor： Won-hee CHOE ,  In-Ji Kim ,  Seong-deok Lee ,  Chang-Yeong Kim

IPC: G09G5/10

CPC classification number: G09G3/2003 ,  G06T5/009 ,  G06T5/40 ,  G09G3/3406 ,  G09G2320/0646 ,  G09G2360/16

Abstract: An image display device capable of supporting brightness enhancement and power control and a method thereof, in which the brightness and contrast are enhanced and the power of a light source is controlled in accordance with the image characteristic. In the image display method, a parameter representative of an input image is calculated from a histogram of the input image, a model corresponding to the input image is selected from a plurality of representative models by analyzing the parameter, and then a brightness controlling function matched with the selected model is selected. The size of each component of a pixel constituting the input image is controlled using the brightness controlling function, and the output image of the pixel whose component size has been controlled is displayed.

Abstract translation: 能够支持亮度增强和功率控制的图像显示装置及其方法，其中增强了亮度和对比度，并且根据图像特性来控制光源的功率。 在图像显示方法中，从输入图像的直方图计算表示输入图像的参数，通过分析参数从多个代表性模型中选择与输入图像对应的模型，然后亮度控制功能匹配 选择所选模型。 使用亮度控制功能来控制构成输入图像的像素的每个分量的大小，并且显示其部件尺寸被控制的像素的输出图像。

公开(公告)号：US08063871B2

公开(公告)日：2011-11-22

申请号：US11939210

申请日：2007-11-13

Applicant: Seung-sin Lee ,  Du-sik Park ,  In-ji Kim

Inventor： Seung-sin Lee ,  Du-sik Park ,  In-ji Kim

IPC: G09G3/36

CPC classification number: G09G5/10 ,  G09G3/3406 ,  G09G3/3611 ,  G09G2320/0285 ,  G09G2320/062 ,  G09G2320/0626 ,  G09G2320/0646 ,  G09G2320/0653 ,  G09G2330/021 ,  G09G2360/144 ,  G09G2360/16

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08625894B2

公开(公告)日：2014-01-07

申请号：US13418116

申请日：2012-03-12

Applicant: Won-hee Choe ,  In-ji Kim ,  Seong-deok Lee ,  Chang-yeong Kim

Inventor： Won-hee Choe ,  In-ji Kim ,  Seong-deok Lee ,  Chang-yeong Kim

IPC: G06K9/00

CPC classification number: G09G3/2003 ,  G06T5/009 ,  G06T5/40 ,  G09G3/3406 ,  G09G2320/0646 ,  G09G2360/16

Abstract: An image display device capable of supporting brightness enhancement and power control and a method thereof, in which the brightness and contrast are enhanced and the power of a light source is controlled in accordance with the image characteristic. In the image display method, a parameter representative of an input image is calculated from a histogram of the input image, a model corresponding to the input image is selected from a plurality of representative models by analyzing the parameter, and then a brightness controlling function matched with the selected model is selected. The size of each component of a pixel constituting the input image is controlled using the brightness controlling function, and the output image of the pixel whose component size has been controlled is displayed.

Abstract translation: 能够支持亮度增强和功率控制的图像显示装置及其方法，其中增强了亮度和对比度，并且根据图像特性来控制光源的功率。 在图像显示方法中，从输入图像的直方图计算表示输入图像的参数，通过分析参数从多个代表性模型中选择与输入图像对应的模型，然后亮度控制功能匹配 选择所选模型。 使用亮度控制功能来控制构成输入图像的像素的每个分量的大小，并且显示其部件尺寸被控制的像素的输出图像。

公开(公告)号：US20080037867A1

公开(公告)日：2008-02-14

申请号：US11878782

申请日：2007-07-26

Applicant: Seung-sin Lee ,  In-ji Kim ,  Won-hee Choe ,  Du-sik Park

Inventor： Seung-sin Lee ,  In-ji Kim ,  Won-hee Choe ,  Du-sik Park

IPC: G06K9/00

CPC classification number: H04N9/68

Abstract: Provided is an image display device, more particularly, an apparatus and method that can reduce power consumption and prevent image characteristics from being degraded in an image display device using a multicolor light source. The image display device includes a histogram analysis unit calculating a parameter representative of an input image on the basis of a histogram of the input image, a model selection unit analyzing the parameter and selecting a representative model including the input image among a plurality of representative models, a luminance reduction amount calculation unit calculating a luminance reduction amount for each color light source of the input image on the basis of a maximum luminance reduction rate corresponding to the selected model, a power reduction amount calculation unit calculating a power reduction amount for each color light source according to the luminance reduction amount on the basis of a power characteristic of each color light source, and a power control unit supplying power reduced by the power reduction amount to each color light source.

Abstract translation: 提供了一种图像显示装置，更具体地，涉及一种能够降低功耗并防止图像特性在使用多色光源的图像显示装置中劣化的装置和方法。 图像显示装置包括直方图分析单元，其基于输入图像的直方图来计算表示输入图像的参数;分析参数的模型选择单元，以及在多个代表模型中选择包括输入图像的代表模型 ，亮度降低量计算单元，基于与所选择的模型相对应的最大亮度降低率，计算输入图像的每个颜色光源的亮度降低量;功率降低量计算单元，计算每个颜色的功率减少量 基于每个彩色光源的功率特性根据亮度降低量的光源;以及功率控制单元，其通过功率减少量减少到每个彩色光源的功率。

公开(公告)号：US08041144B2

公开(公告)日：2011-10-18

申请号：US11873042

申请日：2007-10-16

Applicant: In-Ji Kim ,  Hyun-wook Ok ,  Du-sik Park ,  Yang-ho Cho

Inventor： In-Ji Kim ,  Hyun-wook Ok ,  Du-sik Park ,  Yang-ho Cho

IPC: G06K9/40

CPC classification number: H04N1/407 ,  H04N1/6088

Abstract: An apparatus and method for improving visibility of an image. The apparatus includes: a lookup table (LUT) generating module generating an LUT having image data in a high illuminance environment corresponding to image data of an input image set therein so as to increase lightness and chroma of the input image according to external illuminance; an image mapping module mapping the image data of the input image into the image data in the high illuminance environment on the basis of the generated LUT; and a local contrast increasing module increasing local contrast of the mapped image data using a parameter for adjusting the local contrast according to the external illuminance.

Abstract translation: 一种用于提高图像的可视性的装置和方法。 该装置包括：查找表（LUT）生成模块，生成具有与其中设置的输入图像的图像数据相对应的高照度环境中的图像数据的LUT，以便根据外部照度增加输入图像的亮度和色度; 图像映射模块，基于所生成的LUT，将输入图像的图像数据映射到高照度环境中的图像数据; 以及使用用于根据外部照度调整局部对比度的参数来增加映射图像数据的局部对比度的局部增强模块。

公开(公告)号：US07800800B2

公开(公告)日：2010-09-21

申请号：US11593515

申请日：2006-11-07

Applicant: Hyun-wook Ok ,  Seong-deok Lee ,  Young-shin Kwak ,  In-ji Kim ,  Chang-yeong Kim ,  Won-hee Choe

Inventor： Hyun-wook Ok ,  Seong-deok Lee ,  Young-shin Kwak ,  In-ji Kim ,  Chang-yeong Kim ,  Won-hee Choe

IPC: G03F3/08

CPC classification number: H04N9/68 ,  H04N1/6027 ,  H04N1/6088 ,  H04N5/58 ,  H04N21/4318

Abstract: An apparatus and method are provided for correcting a color reproduced by a video device according to peripheral brightness so that the visibility of the video device is guaranteed under peripheral conditions brighter than the video device. The apparatus for correcting a color reproduced by a video device according to peripheral brightness includes: a lookup-table-creation unit which creates a lookup table based on saturation of the video device and brightness of peripheral conditions; a color-correction unit which corrects the color reproduced by the video device according to the created lookup table; and a color-error-compensation unit which compensates for color error resulting from correction of the color. The method of correcting a color reproduced by a video device according to peripheral brightness includes: creating a lookup table based on saturation of the video device and brightness of peripheral conditions; correcting the color reproduced by the video device according to the created lookup table; and compensating for color error resulting from correction of the color.

Abstract translation: 提供一种用于根据外围亮度校正由视频设备再现的颜色的装置和方法，使得视频设备的可视性在比视频设备更亮的外围条件下得到保证。 用于根据周边亮度校正由视频设备再现的颜色的设备包括：查找表创建单元，其基于视频设备的饱和度和外围条件的亮度创建查找表; 颜色校正单元，其根据所创建的查找表来校正由视频设备再现的颜色; 以及补偿由颜色校正引起的颜色误差的颜色误差补偿单元。 根据外围亮度校正由视频设备再现的颜色的方法包括：基于视频设备的饱和度和外围条件的亮度创建查找表; 根据创建的查找表来校正由视频设备再现的颜色; 并补偿由颜色校正引起的颜色误差。

公开(公告)号：US20080186393A1

公开(公告)日：2008-08-07

申请号：US11939210

申请日：2007-11-13

Applicant: Seung-sin LEE ,  Du-sik Park ,  In-ji Kim

Inventor： Seung-sin LEE ,  Du-sik Park ,  In-ji Kim

IPC: H04N5/335

CPC classification number: G09G5/10 ,  G09G3/3406 ,  G09G3/3611 ,  G09G2320/0285 ,  G09G2320/062 ,  G09G2320/0626 ,  G09G2320/0646 ,  G09G2320/0653 ,  G09G2330/021 ,  G09G2360/144 ,  G09G2360/16

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20080181532A1

公开(公告)日：2008-07-31

申请号：US11873042

申请日：2007-10-16

Applicant: In-Ji KIM ,  Hyun-Wook Ok ,  Du-Sik Park ,  Yang-Ho Cho

Inventor： In-Ji KIM ,  Hyun-Wook Ok ,  Du-Sik Park ,  Yang-Ho Cho

IPC: G06K9/40

CPC classification number: H04N1/407 ,  H04N1/6088

Abstract: An apparatus and method for improving visibility of an image. The apparatus includes: a lookup table (LUT) generating module generating an LUT having image data in a high illuminance environment corresponding to image data of an input image set therein so as to increase lightness and chroma of the input image according to external illuminance; an image mapping module mapping the image data of the input image into the image data in the high illuminance environment on the basis of the generated LUT; and a local contrast increasing module increasing local contrast of the mapped image data using a parameter for adjusting the local contrast according to the external illuminance.

Abstract translation: 一种用于提高图像的可视性的装置和方法。 该装置包括：查找表（LUT）生成模块，生成具有与其中设置的输入图像的图像数据相对应的高照度环境中的图像数据的LUT，以便根据外部照度增加输入图像的亮度和色度; 图像映射模块，基于所生成的LUT，将输入图像的图像数据映射到高照度环境中的图像数据; 以及使用用于根据外部照度调整局部对比度的参数来增加映射图像数据的局部对比度的局部增强模块。

公开(公告)号：US20080089604A1

公开(公告)日：2008-04-17

申请号：US11872280

申请日：2007-10-15

Applicant: In-ji Kim ,  Hyun-wook Ok ,  Du-sik Park ,  Yang-ho Cho

Inventor： In-ji Kim ,  Hyun-wook Ok ,  Du-sik Park ,  Yang-ho Cho

IPC: G06K9/40

CPC classification number: H04N1/6088

Abstract: An apparatus and method for improving visibility of an image. The apparatus includes: an image input module receiving an image; an illuminance sensing module sensing external illuminance; a visibility compensating module compensating the input image by mapping the input image from a first color gamut to a second color gamut on the basis of the sensed external illuminance; and an image output module outputting the compensated image.

Abstract translation: 一种用于提高图像的可视性的装置和方法。 该装置包括：图像输入模块，接收图像; 感测外部照度的照度感测模块; 可视化补偿模块，其基于感测到的外部照度，将输入图像从第一色域映射到第二色域来补偿输入图像; 以及输出补偿图像的图像输出模块。