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    • 7. 发明授权
    • Selecting encoding types and predictive modes for encoding video data
    • 选择用于编码视频数据的编码类型和预测模式
    • US08472516B2
    • 2013-06-25
    • US13196886
    • 2011-08-02
    • Xin TongXiaochun Nie
    • Xin TongXiaochun Nie
    • H04B1/66
    • H04N19/00H04N19/103H04N19/105H04N19/107H04N19/119H04N19/136H04N19/14H04N19/147H04N19/176H04N19/51H04N19/57H04N19/593
    • In some embodiments, a method of determining encoding type and predictive mode(s) selections for a macroblock of a video frame is provided. In some embodiments, a general method 1) selects the encoding type (16×16 or 4×4) that is initially considered for a macroblock using an encoding type selection algorithm (based on an attribute of the macroblock that is easy to compute), 2) if the 16×16 encoding type is selected in step 1, consider the four 16×16 prediction modes that may be used on the macroblock using conventional methods or an improved 16×16 predictive mode search algorithm based on distortion thresholds, and 3) if the 4×4 encoding type is selected in step 1, select the 4×4 prediction mode to be used for each of the sixteen 4×4 blocks of the macroblock using conventional methods or an improved 4×4 predictive mode search algorithm based on the positional relationships between predictive modes.
    • 在一些实施例中,提供了确定视频帧的宏块的编码类型和预测模式选择的方法。 在一些实施例中,一般方法1)使用编码类型选择算法(基于容易计算的宏块的属性)来选择最初被考虑用于宏块的编码类型(16×16或4×4) 2)如果在步骤1中选择了16×16编码类型,则考虑可以使用传统方法在宏块上使用的四种16×16预测模式或基于失真阈值的改进的16×16预测模式搜索算法,以及3 )如果在步骤1中选择4×4编码类型,则使用常规方法选择要使用的宏块的十六个4×4块中的每一个的4×4预测模式或基于改进的4×4预测模式搜索算法 关于预测模式之间的位置关系。
    • 10. 发明申请
    • MULTI-IMAGE FACE-BASED IMAGE PROCESSING
    • 多图像基于图像的图像处理
    • US20120051658A1
    • 2012-03-01
    • US13221888
    • 2011-08-30
    • Xin TongAdriana DumitrasAndrew BryantOlivier FedkiwDaniel PettigrewPeter Warner
    • Xin TongAdriana DumitrasAndrew BryantOlivier FedkiwDaniel PettigrewPeter Warner
    • G06K9/62
    • G11B27/034G11B27/28G11B27/34H04N5/262
    • Some embodiments provide a method for detecting and/or identifying a set of faces in a video frame and performing a set of image processing operations based on locations of the set of faces. In particular, the method identifies a set of respective locations of the set of faces in the video frame and applies one or more image processing operations based on the locations of the set of faces found in the video frame. The image processing operations include color correction operations, non-color correction operations, and image processing operations that modify areas inside or outside of the detected and/or identified faces. Additionally, some embodiments provide a graphical user interface for automatically applying image processing operations to an area of a video frame isolated by an ellipse-shaped mask. Furthermore, some embodiments provide a system for automatically applying image processing operations to an area of a video frame isolated by an ellipse-shaped mask.
    • 一些实施例提供了一种用于检测和/或识别视频帧中的一组面部并且基于该组面部的位置执行一组图像处理操作的方法。 具体地,该方法识别视频帧中的一组面部的相应位置的集合,并且基于在视频帧中找到的面部集合的位置来应用一个或多个图像处理操作。 图像处理操作包括修改检测到的和/或识别的面部内部或外部的区域的颜色校正操作,非颜色校正操作和图像处理操作。 另外,一些实施例提供了一种图形用户界面,用于将图像处理操作自动应用于由椭圆形掩模隔离的视频帧的区域。 此外,一些实施例提供了一种用于将图像处理操作自动应用于由椭圆形掩模隔离的视频帧的区域的系统。