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    • 7. 发明授权
    • Method and apparatus for skin color correction and digital photographing apparatus using both
    • 用于肤色校正的方法和装置以及使用这两者的数字摄影装置
    • US08369619B2
    • 2013-02-05
    • US12616880
    • 2009-11-12
    • Jong-sun KimSeung-hun Kim
    • Jong-sun KimSeung-hun Kim
    • G06K9/00
    • G06K9/00234G06K9/4652
    • An apparatus and method of correcting skin color in an image is disclosed. The method may include extracting skin colors; analyzing the extracted skin colors to calculate axes of a different vector space; transforming the extracted skin colors to the different vector space; using the result of the transformed skin colors to identify a color from an input image as a skin color; and correcting the color identified as a skin color. The different vector space may be a principal components analysis (PCA) vector space. Extracting skin colors may include detecting a face region as a skin region in an input image and extracting skin colors from the face region. A lookup table be generated according to the result of projecting the skin colors to fewer dimensions of the different vector space. Extracting skin colors may include extracting colors from a training image of skin colors.
    • 公开了一种校正图像中的肤色的装置和方法。 该方法可以包括提取肤色; 分析提取的肤色以计算不同矢量空间的轴; 将提取的肤色变换为不同的矢量空间; 使用变换的肤色的结果来识别来自输入图像的颜色作为肤色; 并校正被识别为肤色的颜色。 不同的向量空间可能是主成分分析(PCA)向量空间。 提取肤色可以包括检测作为输入图像中的皮肤区域的面部区域并从面部区域提取肤色。 根据将肤色投影到不同矢量空间的较小尺寸的结果生成查找表。 提取肤色可能包括从肤色的训练图像提取颜色。
    • 8. 发明申请
    • Adaptive quantization controller and methods thereof
    • 自适应量化控制器及其方法
    • US20070081589A1
    • 2007-04-12
    • US11505313
    • 2006-08-17
    • Jong-sun KimJae-young BeomKyoung-mook LimJea-hong ParkSeung-hong Jeon
    • Jong-sun KimJae-young BeomKyoung-mook LimJea-hong ParkSeung-hong Jeon
    • H04N11/04H04N7/12H04B1/66
    • H04N19/124H04N19/149H04N19/159H04N19/176H04N19/61
    • An adaptive quantization controller and methods thereof are provided. In an example method, motion prediction may be performed on at least one frame included in an input frame based on a reference frame. A prediction error may be generated as a difference value between the input frame and the reference frame. An activity value may be computed based on a received macroblock, the received macroblock associated with one of the input frame and the prediction error. A quantization parameter may be generated by multiplying a reference quantization parameter by a normalization value of the computed activity value. In another example method, an input frame including an I frame may be received and motion prediction for the I frame may be performed based at least in part on information extracted from one or more previous input frames. In a further example, the adaptive quantization controller may perform the above-described example methods.
    • 提供了一种自适应量化控制器及其方法。 在示例性方法中,可以基于参考帧在包括在输入帧中的至少一个帧上执行运动预测。 可以产生预测误差作为输入帧和参考帧之间的差值。 可以基于接收到的宏块计算活动值,所接收的宏块与所述输入帧中的一个和预测误差相关联的所接收的宏块。 可以通过将参考量化参数乘以计算出的活动值的归一化值来生成量化参数。 在另一示例性方法中,可以接收包括I帧的输入帧,并且可以至少部分地基于从一个或多个先前输入帧提取的信息来执行I帧的运动预测。 在另一示例中,自适应量化控制器可以执行上述示例方法。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR SKIN COLOR CORRECTION AND DIGITAL PHOTOGRAPHING APPARATUS USING BOTH
    • 使用双色皮肤颜色校正和数码摄影装置的方法和装置
    • US20100150442A1
    • 2010-06-17
    • US12616880
    • 2009-11-12
    • Jong-sun KimSeung-hun Kim
    • Jong-sun KimSeung-hun Kim
    • G06K9/00
    • G06K9/00234G06K9/4652
    • An apparatus and method of correcting skin color in an image is disclosed. The method may include extracting skin colors; analyzing the extracted skin colors to calculate axes of a different vector space; transforming the extracted skin colors to the different vector space; using the result of the transformed skin colors to identify a color from an input image as a skin color; and correcting the color identified as a skin color. The different vector space may be a principal components analysis (PCA) vector space. Extracting skin colors may include detecting a face region as a skin region in an input image and extracting skin colors from the face region. A lookup table be generated according to the result of projecting the skin colors to fewer dimensions of the different vector space. Extracting skin colors may include extracting colors from a training image of skin colors.
    • 公开了一种校正图像中的肤色的装置和方法。 该方法可以包括提取肤色; 分析提取的肤色以计算不同矢量空间的轴; 将提取的肤色变换为不同的矢量空间; 使用变换的肤色的结果来识别来自输入图像的颜色作为肤色; 并校正被识别为肤色的颜色。 不同的向量空间可能是主成分分析(PCA)向量空间。 提取肤色可以包括检测作为输入图像中的皮肤区域的面部区域并从面部区域提取肤色。 根据将肤色投影到不同矢量空间的较小尺寸的结果生成查找表。 提取肤色可能包括从肤色的训练图像提取颜色。