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    • 7. 发明申请
    • Method and apparatus for generating user preference data regarding color characteristic of image and method and apparatus for converting image color preference using the method and apparatus
    • 用于生成关于图像的颜色特性的用户偏好数据的方法和装置,以及使用该方法和装置转换图像颜色偏好的方法和装置
    • US20080219548A1
    • 2008-09-11
    • US11892400
    • 2007-08-22
    • Young-sik HuhDu-sik ParkSeong-deok LeeKi-won YooWon-hee ChoiSang-kyun Kim
    • Young-sik HuhDu-sik ParkSeong-deok LeeKi-won YooWon-hee ChoiSang-kyun Kim
    • G06K9/36
    • H04N5/57H04N9/64H04N9/68H04N9/73H04N21/4318H04N21/4854H04N21/84
    • A method and apparatus for generating user preference data regarding the color characteristic of an image and a method and apparatus for converting image color preference using the method and apparatus is provided. The method for generating user preference data comprises (a) obtaining an image color characteristic value of a preference image and a reference image, (b) generating {preference value, reference value} which corresponds to a pair of the preference value and the reference value, and (c) generating the pair {preference value, reference value} as preference meta-data having at least one feature block. The method for converting image color preference comprises calculating a color characteristic value with respect to an input image, generating preference meta-data having at least one feature block, the feature block comprising a block header including a feature identifier corresponding to information identifying a color characteristic and at least one feature descriptor including the preference value and the reference value, obtaining a color characteristic value with respect to the input image using the calculated color characteristic value of the input image and the color preference data, and converting the color characteristic of the input image so that the input image has the obtained color characteristic value.
    • 提供一种用于生成关于图像的颜色特性的用户偏好数据的方法和装置,以及使用该方法和装置转换图像颜色偏好的方法和装置。 用于生成用户偏好数据的方法包括:(a)获得偏好图像和参考图像的图像颜色特征值,(b)生成对应于一对偏好值和参考值的{偏好值,参考值} ,和(c)生成具有至少一个特征块的偏好元数据对{偏好值,参考值}。 用于转换图像颜色偏好的方法包括计算相对于输入图像的颜色特征值,生成具有至少一个特征块的偏好元数据,所述特征块包括块标题,所述块标题包括与识别颜色特征的信息相对应的特征标识符 以及包括偏好值和参考值的至少一个特征描述符,使用所计算的输入图像的颜色特征值和颜色偏好数据获得关于输入图像的颜色特征值,并且转换输入的颜色特性 使得输入图像具有获得的颜色特征值。
    • 10. 发明申请
    • Method and system for color temperature conversion of compressed video image
    • 压缩视频图像色温转换方法及系统
    • US20050264701A1
    • 2005-12-01
    • US10520168
    • 2003-07-03
    • Young-Sik HuhKi-Won YooDu-Sik Park
    • Young-Sik HuhKi-Won YooDu-Sik Park
    • H04N11/04H04N9/73
    • H04N9/73
    • A system to estimate and change a color temperature of a compressed video image and change includes a color temperature estimation unit to receive a video image compressed using block-based discrete cosine transformation, generate a discrete cosine (DC) video image corresponding to the compressed video image, and estimates the color temperature of the compressed video image using the DC video image; a decoder to decode the compressed video image to generate an original video image; and a color temperature change unit to determine the estimated color temperature of the compressed video image or a color temperature of the decoded original video image as an application color temperature according to whether the compressed video image is a moving video image, and changes the color temperature of the decoded original video image in accordance with the application color temperature and a color temperature preferred by a user.
    • 用于估计和改变压缩视频图像的色温和变化的系统包括色温估计单元,用于接收使用基于块的离散余弦变换压缩的视频图像,生成与压缩视频对应的离散余弦(DC)视频图像 图像,并使用DC视频图像估计压缩视频图像的色温; 解码器,对压缩视频图像进行解码以产生原始视频图像; 以及色温改变单元,用于根据压缩视频图像是运动视频图像来确定压缩视频图像的估计色温或解码的原始视频图像的色温作为应用色温,并且改变色温 根据应用色温和使用者所喜欢的色温进行解码的原始视频图像。