Apparatus and method for controlling hue and luminance in image display device
    41.
    发明授权
    Apparatus and method for controlling hue and luminance in image display device 有权
    用于控制图像显示装置中的色调和亮度的装置和方法

    公开(公告)号:US07583318B2

    公开(公告)日:2009-09-01

    申请号:US11229642

    申请日:2005-09-20

    CPC分类号: G09G5/02 H04N9/643

    摘要: An apparatus for converting input image signals into image signals that can be displayed in an image display device. The image display device includes a color space converter converting color components of the input image signals and color components that can be displayed in the image display device into color space, a hue control variable calculator comparing a converted color gamut with each other to calculate a hue control variable, and a hue controller controlling hues of the input image signals using the hue control variable.

    摘要翻译: 一种用于将输入图像信号转换成可以显示在图像显示装置中的图像信号的装置。 图像显示装置包括:颜色空间转换器,将输入图像信号的颜色分量和可以在图像显示装置中显示的颜色分量转换成色彩空间;色调控制变量计算器,将转换的色域彼此进行比较,以计算色相 控制变量和色调控制器,其使用色调控制变量来控制输入图像信号的色调。

    Method and system for processing low-illuminance image
    42.
    发明申请
    Method and system for processing low-illuminance image 有权
    低照度图像处理方法及系统

    公开(公告)号:US20090180704A1

    公开(公告)日:2009-07-16

    申请号:US12318655

    申请日:2009-01-05

    IPC分类号: G06K9/40

    摘要: Provided are a method and system for processing a low-illuminance image. The system includes an image acquisition unit to acquire two images having different levels of illuminance and sensitivity as first and second images; a motion vector estimation unit to extract a motion vector of the second image based on the first image; an image correction unit to correct the second image using the extracted motion vector; a synthesis coefficient calculation unit to calculate a synthesis coefficient used to synthesize the first image and the corrected second image; and an image synthesis unit to synthesize the first image and the corrected second image using the calculated synthesis coefficient.

    摘要翻译: 提供了一种用于处理低照度图像的方法和系统。 该系统包括图像获取单元,用于获取具有不同等级的照度和灵敏度的两个图像作为第一和第二图像; 运动矢量估计单元,用于基于所述第一图像提取所述第二图像的运动矢量; 图像校正单元,用于使用所提取的运动矢量校正第二图像; 合成系数计算单元,用于计算用于合成第一图像和校正的第二图像的合成系数; 以及图像合成单元,用于使用所计算的合成系数来合成第一图像和校正的第二图像。

    Method and apparatus for determining whether backlight exists
    44.
    发明申请
    Method and apparatus for determining whether backlight exists 有权
    用于确定背光是否存在的方法和装置

    公开(公告)号:US20090129626A1

    公开(公告)日:2009-05-21

    申请号:US12081416

    申请日:2008-04-15

    IPC分类号: G06K9/00

    CPC分类号: G06K9/209 H04N5/2351

    摘要: Provided are a method and apparatus for determining whether backlight exists. The method according to an embodiment of the present invention includes calculating scattering degrees of luminance values of pixels included in each of images which represent the same photographic subject and have different brightness levels from each other; and determining whether backlight exists on the photographic subject in consideration of the calculated scattering degrees.

    摘要翻译: 提供了一种用于确定背光是否存在的方法和装置。 根据本发明的实施例的方法包括计算表示相同摄影对象的每个图像中包括的像素的亮度值的散射度,并且彼此具有不同的亮度级别; 并且考虑到所计算的散射度,确定拍摄对象是否存在背光。

    Image-registration method, medium, and apparatus
    45.
    发明申请
    Image-registration method, medium, and apparatus 有权
    图像配准方法,介质和设备

    公开(公告)号:US20090067752A1

    公开(公告)日:2009-03-12

    申请号:US12222963

    申请日:2008-08-20

    IPC分类号: G06K9/32

    摘要: An image-registration method, medium, and apparatus obtaining first and second images, generating first and second image pyramids based on the first and second images, respectively, by performing sub-sampling which reduces the length and width of each of the first and second images by half, and determining one of five directions as an optimal movement direction for a current level of the first and second image pyramids based on two images belonging to a corresponding level, updating a motion vector for the current level based on the optimal movement direction for the current level and updating a first image belonging to a level directly below the current level based on the updated motion vector for the current level, wherein the updating comprises updating a motion vector for each of a plurality of levels of the first and second image pyramids in an order from an uppermost level to a lowermost level.

    摘要翻译: 一种图像配准方法,介质和获得第一和第二图像的装置,分别通过执行子采样来生成基于第一和第二图像的第一和第二图像棱锥,其减少了第一和第二图像中的每一个的长度和宽度 基于属于相应级别的两个图像,将五个方向中的一个确定为第一和第二图像金字塔的当前水平的最佳移动方向,基于最佳移动方向更新当前水平的运动矢量 用于当前级别,并且基于当前级别的更新的运动矢量来更新属于当前级别以下的级别的第一图像,其中所述更新包括更新所述第一和第二图像的多个级别中的每一个的运动矢量 金字塔从最上层到最低层次。

    Method and apparatus for correcting chromatic aberration of image
    46.
    发明申请
    Method and apparatus for correcting chromatic aberration of image 有权
    用于校正图像色差的方法和装置

    公开(公告)号:US20090052769A1

    公开(公告)日:2009-02-26

    申请号:US12071511

    申请日:2008-02-21

    IPC分类号: G06K9/00

    CPC分类号: H04N9/045

    摘要: Provided are a method and apparatus for correcting chromatic aberration of an image, the method and apparatus used in an image processing apparatus for an image pickup device or a display image processing apparatus. The chromatic aberration correction apparatus includes a chromatic aberration region sensing unit analyzing a luminance signal of an input image and sensing a region having chromatic aberration; a color gradient calculation unit calculating a first weight, which indicates a degree of chromatic aberration, based on a difference between gradients of color components of the input image; a luminance gradient calculation unit calculating a second weight, which indicates the degree of chromatic aberration, based on gradients of luminance components of the input image; and a chrominance correction unit correcting chrominance of a pixel of the input image, which is included in the sensed region, based on a value obtained by multiplying the first weight by the second weight.

    摘要翻译: 提供了一种用于校正图像的色差的方法和装置,在用于图像拾取装置的图像处理装置或显示图像处理装置中使用的方法和装置。 色像差校正装置包括色差区域感测单元,分析输入图像的亮度信号并感测具有色差的区域; 颜色梯度计算单元,基于输入图像的颜色分量的梯度之差来计算指示色差程度的第一权重; 亮度梯度计算单元,基于输入图像的亮度分量的梯度来计算指示色差程度的第二权重; 以及色度校正单元,其基于通过将第一权重乘以第二权重而获得的值来校正包含在感测区域中的输入图像的像素的色度。

    Method and apparatus for enhancing local luminance of image, and computer-readable recording medium for storing computer program
    47.
    发明授权
    Method and apparatus for enhancing local luminance of image, and computer-readable recording medium for storing computer program 有权
    用于增强图像的局部亮度的方法和装置,以及用于存储计算机程序的计算机可读记录介质

    公开(公告)号:US07447379B2

    公开(公告)日:2008-11-04

    申请号:US10871043

    申请日:2004-06-21

    IPC分类号: G06K9/40 G06K9/00

    CPC分类号: G06T5/008

    摘要: A method and an apparatus enhance a local luminance of an image, and a computer-readable recording medium stores a computer program that enhances a local luminance of an image. The method includes: selecting a local area with a luminance to be compensated for from a luminance space, the luminance space representing a luminance of the input image; and compensating for the luminance of the selected local area.

    摘要翻译: 一种方法和装置增强图像的局部亮度,并且计算机可读记录介质存储增强图像的局部亮度的计算机程序。 该方法包括:从亮度空间中选择要补偿亮度的局部区域,亮度空间表示输入图像的亮度; 并补偿所选局部区域的亮度。

    Method and apparatus for adaptively enhancing colors in color images
    48.
    发明授权
    Method and apparatus for adaptively enhancing colors in color images 有权
    用于自适应地增强彩色图像中的颜色的方法和装置

    公开(公告)号:US07433104B2

    公开(公告)日:2008-10-07

    申请号:US10621306

    申请日:2003-07-18

    IPC分类号: G03F3/08

    摘要: A method and an apparatus for adaptively enhancing a color of an image are provided. The apparatus includes a saturation component deriving unit, a saturation enhancement function determining variable calculator, a saturation enhancement unit, and a saturation component synthesizing unit. The saturation component deriving unit derives a saturation component from an input image. The saturation enhancement function determining variable calculator determines a saturation enhancement function used to enhance the saturation of the input image based upon a predetermined reference value. The saturation enhancement unit changes the derived saturation component using the saturation enhancement function. The saturation component synthesizing unit synthesizes the changed saturation component and other components of the input image and generates an output image based upon the synthesized components.

    摘要翻译: 提供了一种用于自适应地增强图像的颜色的方法和装置。 该装置包括饱和度分量导出单元,饱和度增强函数确定变量计算器,饱和度增强单元和饱和分量合成单元。 饱和度分量导出单元从输入图像中导出饱和分量。 饱和度增强函数确定变量计算器基于预定的参考值来确定用于增强输入图像的饱和度的饱和度增强功能。 饱和度增强单元使用饱和度增强功能改变导出的饱和分量。 饱和分量合成单元合成改变的饱和分量和输入图像的其他分量,并根据合成分量生成输出图像。

    Apparatus and method of restoring image
    50.
    发明申请
    Apparatus and method of restoring image 有权
    恢复图像的装置和方法

    公开(公告)号:US20080181527A1

    公开(公告)日:2008-07-31

    申请号:US11907127

    申请日:2007-10-09

    IPC分类号: G06K9/40 G03B13/32

    摘要: Provided are an apparatus for and method of restoring an image, by which when the focus of an image is blurred, an image can be restored using the characteristic of a lens. The apparatus includes: an estimation unit estimating field information and focus blur of an input signal, a weight applying unit applying a plurality of weights according to the optical characteristic of a lens to the input image, and a generation unit generating an output image using the input image to which the plurality of weights are applied.

    摘要翻译: 提供了恢复图像的装置和方法,当图像的焦点模糊时,可以使用透镜的特性来恢复图像。 该装置包括:估计单元,估计输入信号的场信息和焦点模糊;加权应用单元根据透镜的光学特性将多个权重应用于输入图像;以及生成单元,其使用 输入多个权重的图像。