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    • 94. 发明申请
    • Image display device and image display method supporting power control of multicolor light source
    • 支持多色光源功率控制的图像显示装置和图像显示方法
    • US20080037867A1
    • 2008-02-14
    • US11878782
    • 2007-07-26
    • Seung-sin LeeIn-ji KimWon-hee ChoeDu-sik Park
    • Seung-sin LeeIn-ji KimWon-hee ChoeDu-sik Park
    • G06K9/00
    • H04N9/68
    • 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.
    • 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。
    • 97. 发明申请
    • Image display apparatus and method
    • 图像显示装置及方法
    • US20070176916A1
    • 2007-08-02
    • US11657622
    • 2007-01-25
    • Won-hee ChoeChang-yeong KimSeong-deok Lee
    • Won-hee ChoeChang-yeong KimSeong-deok Lee
    • G09G5/00
    • G09G3/3406G09G2320/0606G09G2320/0646G09G2330/021G09G2360/144
    • An image display apparatus and method are provided. The image display apparatus includes an external light detection module which detects an intensity of external illumination; a storage module which stores a plurality of light emitting unit control values; and a control module which selectively performs, according to a result of a determination, a lightness compensation operation for compensating a lightness of a light emitting unit and a visibility adjustment operation for adjusting the visibility of the original input image. The method includes detecting an intensity of external illumination; determining whether a visibility of an original input image can be ensured according to an input light emitting control value and the detected external illumination intensity; and selectively performing, according to the determination, a lightness compensation operation for compensating a lightness of a light emitting unit and a visibility adjustment operation for adjusting the visibility of the original input image.
    • 提供了一种图像显示装置和方法。 图像显示装置包括检测外部照明强度的外部光检测模块; 存储模块,其存储多个发光单元控制值; 以及控制模块,其根据确定的结果选择性地执行用于补偿发光单元的亮度的亮度补偿操作和用于调整原始输入图像的可视性的可见度调节操作。 该方法包括检测外部照明的强度; 根据输入的发光控制值和所检测的外部照明强度来确定是否可以确保原始输入图像的可视性; 以及根据该确定选择性地执行用于补偿发光单元的亮度的亮度补偿操作和用于调节原始输入图像的可视性的可见度调节操作。
    • 98. 发明申请
    • Image-displaying device and pixel control method therefor
    • 图像显示装置及其像素控制方法
    • US20060181553A1
    • 2006-08-17
    • US11353973
    • 2006-02-15
    • Won-hee ChoeSeong-deok LeeChang-yeong Kim
    • Won-hee ChoeSeong-deok LeeChang-yeong Kim
    • G09G5/10
    • G09G3/3406G09G2320/0633G09G2360/16
    • An image-displaying device and a pixel control method therefore are provided. The image-displaying device includes a luminance information extraction unit which is configured to extract luminance information from an image; an image enhancement decision unit which is configured to decide an image enhancement mode based on the extracted luminance information; a pixel control unit which is configured to control a pixel of the image by the decided image enhancement mode; and an image output unit which is configured to output the pixel-controlled image. The method includes extracting luminance information from an image; deciding an image enhancement mode based on the luminance information; controlling each of a plurality of pixels of the image according to the image enhancement mode; and outputting the pixel-controlled image.
    • 因此,提供了图像显示装置和像素控制方法。 图像显示装置包括:亮度信息提取单元,被配置为从图像提取亮度信息; 图像增强判定单元,被配置为基于所提取的亮度信息来决定图像增强模式; 被配置为通过所确定的图像增强模式来控制图像的像素的像素控制单元; 以及被配置为输出像素控制图像的图像输出单元。 该方法包括从图像提取亮度信息; 基于亮度信息决定图像增强模式; 根据图像增强模式控制图像的多个像素中的每一个; 并输出像素控制图像。
    • 100. 发明授权
    • Method and apparatus for blending images
    • 用于混合图像的方法和装置
    • US08699822B2
    • 2014-04-15
    • US12886114
    • 2010-09-20
    • Sung-Chan ParkHyun-Hwa OhJae-Hyun KwonSeong-Deok LeeWon-Hee Choe
    • Sung-Chan ParkHyun-Hwa OhJae-Hyun KwonSeong-Deok LeeWon-Hee Choe
    • G06K9/32
    • G06T5/50G06T2207/20208G06T2207/20221
    • A method and apparatus may include aligning a reference image and an input image through ROI-based image alignment; detecting an ROI associated with an incompletely aligned region in the aligned image; and blending the aligned reference image and input image by using a plurality of weights which are attenuated according to a spatial distance from a boundary of the detected ROI. In addition, the method and apparatus may include aligning a reference image and an input image through image alignment based on an nth region of interest (ROI) which is detected at a previous stage; detecting another ROI associated with an incompletely aligned region in the aligned image; and blending the aligned image in the other ROI and an (n+1)th blended image, which is input from a next stage, in a region outside the other ROI, and outputting the last blended image to the previous stage.
    • 方法和装置可以包括通过基于ROI的图像对准来对准参考图像和输入图像; 检测与所述对齐图像中的不完全对准区域相关联的ROI; 以及通过使用根据与检测到的ROI的边界的空间距离衰减的多个权重来混合对准的参考图像和输入图像。 另外,该方法和装置可以包括基于在前一阶段检测到的第n个感兴趣区域(ROI)的图像对准来对准参考图像和输入图像; 检测与对齐图像中的不完全对齐的区域相关联的另一ROI; 并将另一个ROI中的对准图像和从下一级输入的第(n + 1)个混合图像混合在另一个ROI之外的区域中,并将最后的混合图像输出到前一个阶段。