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公开(公告)号：US08218831B2
公开(公告)日：2012-07-10
申请号：US12164292
申请日：2008-06-30
CPC分类号： H04N19/17 , G06K9/00234 , G06K9/00335
摘要： Techniques are provided to analyze video frames of a video signal in order to distinguish regions containing a face (and body torso) from regions that contain a relatively static background. The region containing the face is referred to as a foreground region. A current video frame is divided into a plurality of elements and the foreground regions and background regions are detected. The background regions of a subsequent video frame are detected/registered using the foreground regions of the current video frame. The foreground regions of the subsequent video frame are determined using the background regions of the current video frame as a temporal reference.
摘要翻译： 提供技术来分析视频信号的视频帧，以区分包含脸部（和身体躯干）的区域与包含相对静态背景的区域。 包含脸部的区域被称为前景区域。 当前视频帧被分成多个元素，并且检测前景区域和背景区域。 使用当前视频帧的前景区域检测/注册后续视频帧的背景区域。 使用当前视频帧的背景区域作为时间参考确定后续视频帧的前景区域。
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公开(公告)号：US20090324023A1
公开(公告)日：2009-12-31
申请号：US12164292
申请日：2008-06-30
CPC分类号： H04N19/17 , G06K9/00234 , G06K9/00335
摘要： Techniques are provided to analyze video frames of a video signal in order to distinguish regions containing a face (and body torso) from regions that contain a relatively static background. The region containing the face is referred to as a foreground region. A current video frame is divided into a plurality of elements and the foreground regions and background regions are detected. The background regions of a subsequent video frame are detected/registered using the foreground regions of the current video frame. The foreground regions of the subsequent video frame are determined using the background regions of the current video frame as a temporal reference.
摘要翻译： 提供技术来分析视频信号的视频帧，以区分包含脸部（和身体躯干）的区域与包含相对静态背景的区域。 包含脸部的区域被称为前景区域。 当前视频帧被分成多个元素，并且检测前景区域和背景区域。 使用当前视频帧的前景区域检测/注册后续视频帧的背景区域。 使用当前视频帧的背景区域作为时间参考确定后续视频帧的前景区域。
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公开(公告)号：US08086076B2
公开(公告)日：2011-12-27
申请号：US12031590
申请日：2008-02-14
CPC分类号： G06T9/001 , G06K9/00234 , G06K9/00986 , G06T9/20 , H04N19/124 , H04N19/136 , H04N19/137 , H04N19/14 , H04N19/17 , H04N19/176 , H04N19/186 , H04N19/436 , H04N19/503
摘要： An apparatus, a method, and a computer-readable medium having instructions encoded thereon that when executed cause a method to be carried out. The method includes dividing at least a portion of a picture of a video stream into parts of blocks, and processing the parts in parallel by a plurality of interconnected processors. The processing of a respective part by its respective processor includes determining block-level temporal difference features. Each processor also performs coding functions on its respective part of the picture. The method also includes block-level processing using the block-level temporal difference features to determine which blocks in the picture are likely to be that of a face, the block-level processing being at the granularity of at least a block. In one version, the processing in each processor includes edge detection and color segmentation to determine block-level edge features including block-level color-segmented edge features that are then used in the block level processing.
摘要翻译： 一种装置，方法和计算机可读介质，其具有在其上编码的指令，当执行时，导致执行方法。 该方法包括将视频流的图像的至少一部分划分为块的部分，以及由多个互连的处理器并行处理这些部分。 通过其相应处理器对相应部分的处理包括确定块级时间差特征。 每个处理器还对其图像的相应部分执行编码功能。 该方法还包括使用块级时间差特征的块级处理，以确定图片中哪些块可能是面的块，块级处理至少是至少一个块的粒度。 在一个版本中，每个处理器中的处理包括边缘检测和颜色分割，以确定块级边缘特征，包括块级颜色分割的边缘特征，然后在块级处理中使用。
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公开(公告)号：US20080240237A1
公开(公告)日：2008-10-02
申请号：US12021198
申请日：2008-01-28
IPC分类号： H04N7/26
CPC分类号： G06T9/001 , G06K9/00234 , G06K9/00986 , G06T9/20 , H04N19/124 , H04N19/136 , H04N19/137 , H04N19/14 , H04N19/17 , H04N19/176 , H04N19/186 , H04N19/436 , H04N19/503
摘要： An apparatus, a method, and a computer-readable medium having instructions encoded thereon that when executed cause a method to be carried out. The method includes dividing at least a portion of a picture of a video stream into parts of blocks, and processing the parts in parallel by a plurality of interconnected processors. The processing of a respective part by its respective processor includes edge detection and color segmentation to determine block-level edge features including block-level color-segmented edge features. Each processor also performs coding functions on its respective part of the picture. The method also includes block-level processing using the block-level edge features to determine which blocks in the picture are likely to be that of a face, the block-level processing being at the granularity of at least a block.
摘要翻译： 一种装置，方法和计算机可读介质，其具有在其上编码的指令，当执行时，导致执行方法。 该方法包括将视频流的图像的至少一部分划分为块的部分，以及由多个互连的处理器并行处理这些部分。 通过其相应处理器对相应部分的处理包括边缘检测和颜色分割以确定包括块级颜色分割的边缘特征的块级边缘特征。 每个处理器还对其图像的相应部分执行编码功能。 该方法还包括使用块级边缘特征的块级处理，以确定图片中的哪些块可能是面部的块，块级处理至少为块的粒度。
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5.发明申请SYSTEM AND METHOD FOR PROVIDING ENHANCED VIDEO PROCESSING IN A NETWORK ENVIRONMENT 有权在网络环境中提供增强视频处理的系统和方法公开(公告)号：US20120127259A1
公开(公告)日：2012-05-24
申请号：US12950786
申请日：2010-11-19
申请人： David J. Mackie , Dihong Tian , Andrew P. Weir , Maurice Buttimer , Joseph T. Friel , J. William Mauchly , Wen-Hsiung Chen
发明人： David J. Mackie , Dihong Tian , Andrew P. Weir , Maurice Buttimer , Joseph T. Friel , J. William Mauchly , Wen-Hsiung Chen
IPC分类号： H04N7/15
摘要： A method is provided in one example and includes receiving a video input from a camera element; using change detection statistics to identify background image data; using the background image data as a temporal reference to determine foreground image data of a particular video frame within the video input; using a selected foreground image for a background registration of a subsequent video frame; and providing at least a portion of the subsequent video frame to a next destination.
摘要翻译： 在一个示例中提供了一种方法，并且包括从相机元件接收视频输入; 使用变化检测统计来识别背景图像数据; 使用背景图像数据作为时间参考来确定视频输入内的特定视频帧的前景图像数据; 使用所选择的前景图像来进行后续视频帧的背景注册; 以及将后续视频帧的至少一部分提供给下一个目的地。
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公开(公告)号：US20100246680A1
公开(公告)日：2010-09-30
申请号：US12412298
申请日：2009-03-26
IPC分类号： H04N7/26
CPC分类号： H04N19/00569 , H04N19/23 , H04N19/50 , H04N19/537 , H04N19/553 , H04N19/573 , H04N19/61
摘要： A video coder includes a forward coder and a reconstruction module determining a motion compensated predicted picture from one or more previously decoded pictures in a multi-picture store. The reconstruction module includes a reference picture predictor that uses only previously decoded pictures to determine one or more predicted reference pictures. The predicted reference picture(s) are used for motion compensated prediction. The reference picture predictor may include optical flow analysis that uses a current decoded picture and that may use one or more previously decoded pictures together with affine motion analysis and image warping to determine at least a portion of at least one of the reference pictures.
摘要翻译： 视频编码器包括前向编码器和重构模块，其从多图像存储器中的一个或多个先前解码的图像确定运动补偿预测图像。 重建模块包括参考图像预测器，其仅使用先前解码的图像来确定一个或多个预测参考图像。 预测的参考图像用于运动补偿预测。 参考图像预测器可以包括使用当前解码图像的光流分析，并且可以使用一个或多个先前解码的图像以及仿射运动分析和图像扭曲来确定至少一个参考图片的至少一部分。
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公开(公告)号：US08483283B2
公开(公告)日：2013-07-09
申请号：US12021198
申请日：2008-01-28
IPC分类号： H04N7/12
CPC分类号： G06T9/001 , G06K9/00234 , G06K9/00986 , G06T9/20 , H04N19/124 , H04N19/136 , H04N19/137 , H04N19/14 , H04N19/17 , H04N19/176 , H04N19/186 , H04N19/436 , H04N19/503
摘要： An apparatus, a method, and a computer-readable medium having instructions encoded thereon that when executed cause a method to be carried out. The method includes dividing at least a portion of a picture of a video stream into parts of blocks, and processing the parts in parallel by a plurality of interconnected processors. The processing of a respective part by its respective processor includes edge detection and color segmentation to determine block-level edge features including block-level color-segmented edge features. Each processor also performs coding functions on its respective part of the picture. The method also includes block-level processing using the block-level edge features to determine which blocks in the picture are likely to be that of a face, the block-level processing being at the granularity of at least a block.
摘要翻译： 一种装置，方法和计算机可读介质，其具有在其上编码的指令，当执行时，导致执行方法。 该方法包括将视频流的图像的至少一部分划分为块的部分，以及由多个互连的处理器并行处理这些部分。 通过其相应处理器对相应部分的处理包括边缘检测和颜色分割以确定包括块级颜色分割的边缘特征的块级边缘特征。 每个处理器还对其图像的相应部分执行编码功能。 该方法还包括使用块级边缘特征的块级处理，以确定图片中的哪些块可能是面部的块，块级处理至少为块的粒度。
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公开(公告)号：US08363721B2
公开(公告)日：2013-01-29
申请号：US12412298
申请日：2009-03-26
IPC分类号： H04N11/02
CPC分类号： H04N19/00569 , H04N19/23 , H04N19/50 , H04N19/537 , H04N19/553 , H04N19/573 , H04N19/61
摘要： A video coder includes a forward coder and a reconstruction module determining a motion compensated predicted picture from one or more previously decoded pictures in a multi-picture store. The reconstruction module includes a reference picture predictor that uses only previously decoded pictures to determine one or more predicted reference pictures. The predicted reference picture(s) are used for motion compensated prediction. The reference picture predictor may include optical flow analysis that uses a current decoded picture and that may use one or more previously decoded pictures together with affine motion analysis and image warping to determine at least a portion of at least one of the reference pictures.
摘要翻译： 视频编码器包括前向编码器和重构模块，其从多图像存储器中的一个或多个先前解码的图像确定运动补偿预测图像。 重建模块包括参考图像预测器，其仅使用先前解码的图像来确定一个或多个预测参考图像。 预测的参考图像用于运动补偿预测。 参考图像预测器可以包括使用当前解码图像的光流分析，并且可以使用一个或多个先前解码的图像以及仿射运动分析和图像扭曲来确定至少一个参考图片的至少一部分。
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9.发明授权System and method for providing enhanced video processing in a network environment 有权用于在网络环境中提供增强的视频处理的系统和方法公开(公告)号：US08723914B2
公开(公告)日：2014-05-13
申请号：US12950786
申请日：2010-11-19
申请人： David J. Mackie , Dihong Tian , Andrew P. Weir , Maurice Buttimer , Joseph T. Friel , J. William Mauchly , Wen-Hsiung Chen
发明人： David J. Mackie , Dihong Tian , Andrew P. Weir , Maurice Buttimer , Joseph T. Friel , J. William Mauchly , Wen-Hsiung Chen
IPC分类号： H04N7/15
摘要： A method is provided in one example and includes receiving a video input from a camera element; using change detection statistics to identify background image data; using the background image data as a temporal reference to determine foreground image data of a particular video frame within the video input; using a selected foreground image for a background registration of a subsequent video frame; and providing at least a portion of the subsequent video frame to a next destination.
摘要翻译： 在一个示例中提供了一种方法，并且包括从相机元件接收视频输入; 使用变化检测统计来识别背景图像数据; 使用背景图像数据作为时间参考来确定视频输入内的特定视频帧的前景图像数据; 使用所选择的前景图像来进行后续视频帧的背景注册; 以及将后续视频帧的至少一部分提供给下一个目的地。
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公开(公告)号：US20080240571A1
公开(公告)日：2008-10-02
申请号：US12031590
申请日：2008-02-14
IPC分类号： G06K9/46
CPC分类号： G06T9/001 , G06K9/00234 , G06K9/00986 , G06T9/20 , H04N19/124 , H04N19/136 , H04N19/137 , H04N19/14 , H04N19/17 , H04N19/176 , H04N19/186 , H04N19/436 , H04N19/503
摘要： An apparatus, a method, and a computer-readable medium having instructions encoded thereon that when executed cause a method to be carried out. The method includes dividing at least a portion of a picture of a video stream into parts of blocks, and processing the parts in parallel by a plurality of interconnected processors. The processing of a respective part by its respective processor includes determining block-level temporal difference features. Each processor also performs coding functions on its respective part of the picture. The method also includes block-level processing using the block-level temporal difference features to determine which blocks in the picture are likely to be that of a face, the block-level processing being at the granularity of at least a block. In one version, the processing in each processor includes edge detection and color segmentation to determine block-level edge features including block-level color-segmented edge features that are then used in the block level processing.
摘要翻译： 一种装置，方法和计算机可读介质，其具有在其上编码的指令，当执行时，导致执行方法。 该方法包括将视频流的图像的至少一部分划分为块的部分，以及由多个互连的处理器并行处理这些部分。 通过其相应处理器对相应部分的处理包括确定块级时间差特征。 每个处理器还对其图像的相应部分执行编码功能。 该方法还包括使用块级时间差特征的块级处理，以确定图片中哪些块可能是面的块，块级处理至少是至少一个块的粒度。 在一个版本中，每个处理器中的处理包括边缘检测和颜色分割，以确定块级边缘特征，包括块级颜色分割的边缘特征，然后在块级处理中使用。
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