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    Family histogram based techniques for detection of commercials and other video content
    2.
    发明授权
    Family histogram based techniques for detection of commercials and other video content 有权
    用于检测广告和其他视频内容的家庭直方图技术

    公开(公告)号：US07170566B2

    公开(公告)日：2007-01-30

    申请号：US10028378

    申请日：2001-12-21

    申请人： Thomas McGee ,  Lalitha Agnihotri ,  Nevenka Dimitrova ,  Radu Serban Jasinschi

    发明人： Thomas McGee ,  Lalitha Agnihotri ,  Nevenka Dimitrova ,  Radu Serban Jasinschi

    IPC分类号： H04N5/222

    CPC分类号： H04N5/44 ,  H04N21/44008 ,  H04N21/812 ,  H04N21/84 ,  H04N21/8456

    摘要： Techniques are disclosed for detecting commercials or other particular types of video content in a video signal. In an illustrative embodiment, color histograms are extracted from frames of the video signal. For each of at least a subset of the extracted color histograms, the extracted color histogram is compared to a family histogram. If the extracted color histogram falls within a specified range of the family histogram, the family histogram is updated to include the extracted color histogram as a new member. If the extracted color histogram does not fall within the specified range of the family histogram, the family histogram is considered complete and the extracted color histogram is utilized to generate a new family histogram for use in processing subsequent extracted color histograms. The resulting family histograms are utilized to detect commercials or other particular type of video content in the video signal.

    摘要翻译： 公开了用于检测视频信号中的商业广告或其他特定类型的视频内容的技术。 在说明性实施例中，从视频信号的帧中提取颜色直方图。 对于提取的颜色直方图的至少一个子集中的每一个，将所提取的颜色直方图与族直方图进行比较。 如果提取的颜色直方图落入家族直方图的指定范围内，则更新系列直方图以将所提取的颜色直方图包括为新成员。 如果提取的颜色直方图不在家庭直方图的指定范围内，则家族直方图被认为是完整的，并且所提取的颜色直方图被用于生成用于处理随后提取的颜色直方图的新家族直方图。 所得到的系列直方图用于检测视频信号中的广告或其他特定类型的视频内容。

    Methods and apparatus for recording programs prior to or beyond a preset recording time period
    3.
    发明授权
    Methods and apparatus for recording programs prior to or beyond a preset recording time period 失效
    在预设记录时间段之前或之后记录节目的方法和装置

    公开(公告)号：US06771885B1

    公开(公告)日：2004-08-03

    申请号：US09498884

    申请日：2000-02-07

    申请人： Lalitha Agnihotri ,  Nevenka Dimitrova ,  Thomas McGee ,  Nicholas J. Mankovich

    发明人： Lalitha Agnihotri ,  Nevenka Dimitrova ,  Thomas McGee ,  Nicholas J. Mankovich

    IPC分类号： H04N591

    CPC分类号： H04N21/4334 ,  H04N5/782 ,  H04N21/44008 ,  H04N21/458 ,  H04N21/47214

    摘要： A video signal is processed to generate one or more signatures associated with a broadcast program to be recorded by a recording device. The signatures are then processed to determine an actual start time and end time of the desired broadcast program, such that the program can be properly recorded despite delays or other changes in a pre-scheduled broadcast time of the program. One or more of the extracted signatures may be based at least in part on, e.g., a keyframe similarity measure, a histogram, one or more detected commercials, a transcript, a program logo or other detected object, detected text, and a sign-on or sign-off of the desired program. Other types of signatures can also be used.

    摘要翻译： 视频信号被处理以产生与由记录装置记录的广播节目相关联的一个或多个签名。 然后处理签名以确定所需广播节目的实际开始时间和结束时间，使得尽管程序的预先计​​划的广播时间有延迟或其他改变，也可以适当地记录节目。 提取的签名中的一个或多个可以至少部分地基于例如关键帧相似性度量，直方图，一个或多个检测到的广告，抄本，节目标志或其他检测到的对象，检测到的文本和签名， 打开或关闭所需的程序。 也可以使用其他类型的签名。

    Method and apparatus for audio/data/visual information
    4.
    发明授权
    Method and apparatus for audio/data/visual information 有权
    用于音频/数据/视觉信息的方法和装置

    公开(公告)号：US08528019B1

    公开(公告)日：2013-09-03

    申请号：US09442960

    申请日：1999-11-18

    申请人： Nevenka Dimitrova ,  Thomas McGee ,  Jan Hermanus Elenbaas ,  Lalitha Agnihotri ,  Radu Jasinschi ,  Serhan Dagtas ,  Aaron S Mendelsohn

    发明人： Nevenka Dimitrova ,  Thomas McGee ,  Jan Hermanus Elenbaas ,  Lalitha Agnihotri ,  Radu Jasinschi ,  Serhan Dagtas ,  Aaron S Mendelsohn

    IPC分类号： G06F3/00 ,  G06F13/00 ,  H04N5/445

    CPC分类号： H04N21/44222 ,  G06F17/30787 ,  G06F17/30796 ,  G06F17/30811 ,  G06F17/30828 ,  H04H60/27 ,  H04H60/46 ,  H04H60/58 ,  H04H60/59 ,  H04H60/65 ,  H04H60/72 ,  H04N7/163 ,  H04N21/434 ,  H04N21/4351 ,  H04N21/44008 ,  H04N21/4532 ,  H04N21/4622 ,  H04N21/4755

    摘要： A method of selecting, storing and delivering desired audio/data/visual information includes the steps of determining viewing preferences of a viewer and receiving a first group of audio/data/visual signals, for example, broadcast and cable television signals or internet-based signals. Based on the first group of audio/data/visual signals, a second group of audio/data/visual signals, which is a subset of the first group of audio/data/visual signals, is identified. The second group of audio/data/visual signals is selected based on the association of EPG data for each signal with the viewing preferences of the viewer. Content data is then extracted from the second group of audio/data/visual signals and compared with the viewing preferences. The content data may include, for example, closed-captioned text, EPG data, audio information, visual information and transcript information. Based on the comparison of the content data extracted from the second group of audio/data/visual signals with the viewing preferences, audio/data/visual information contained in the second group of audio/data/visual signals which is of interest to the viewer is identified and stored for review at the viewers convenience.

    摘要翻译： 选择，存储和传送所需音频/数据/视觉信息的方法包括以下步骤：确定观看者的观看偏好并接收第一组音频/数据/视觉信号，例如广播和有线电视信号或基于因特网 信号。 基于第一组音频/数据/视觉信号，识别作为第一组音频/数据/视觉信号的子集的第二组音频/数据/视觉信号。 基于每个信号的EPG数据与观看者的观看偏好的关联来选择第二组音频/数据/视觉信号。 然后从第二组音频/数据/视觉信号中提取内容数据，并与观看偏好进行比较。 内容数据可以包括例如闭路字幕文本，EPG数据，音频信息，视觉信息和抄本信息。 基于从第二组音频/数据/视觉信号提取的内容数据与观看偏好的比较，包含在观众感兴趣的第二组音频/数据/视觉信号中的音频/数据/视觉信息 被识别并存储在观众的方便审查。

    Automatic signature-based spotting, learning and extracting of commercials and other video content
    6.
    发明授权
    Automatic signature-based spotting, learning and extracting of commercials and other video content 失效
    自动签名发现，学习和提取广告等视频内容

    公开(公告)号：US06469749B1

    公开(公告)日：2002-10-22

    申请号：US09417288

    申请日：1999-10-13

    申请人： Nevenka Dimitrova ,  Thomas McGee ,  Lalitha Agnihotri

    发明人： Nevenka Dimitrova ,  Thomas McGee ,  Lalitha Agnihotri

    IPC分类号： H04N5222

    CPC分类号： H04N21/435 ,  G06F17/30814 ,  G06K9/00718 ,  H04H60/37 ,  H04H60/59 ,  H04N7/002 ,  H04N21/235 ,  H04N21/26603 ,  H04N21/454 ,  H04N21/458 ,  H04N21/812

    摘要： A video signal is processed to identify segments that are likely to be associated with a commercial or other particular type of video content. A signature is extracted from each of the segments so identified, and the extracted signatures are used, possibly in conjunction with additional temporal and contextual information, to determine which of the identified segments are in fact associated with the particular video content. One or more of the extracted signatures may be, e.g., a visual frame signature based at least in part on a visual characteristic of a frame of the video segment, as determined using information based on DC and motion coefficients of the frame, or DC and AC coefficients of the frame. A given extracted signature may alternatively be an audio signature based at least in part on a characteristic of an audio signal associated with a portion of the video segment. Other types of signatures can also be used. Advantageously, the invention allows the identification and extraction of particular video content to be implemented with significantly reduced amounts of memory and computational resources.

    摘要翻译： 处理视频信号以识别可能与商业或其他特定类型的视频内容相关联的片段。 从所识别的每个片段中提取签名，并且可以使用所提取的签名，可能与附加的时间和上下文信息相结合，以确定哪个已识别的片段实际上与特定的视频内容相关联。 所提取的签名中的一个或多个可以是例如至少部分地基于视频段的视频特征的视觉帧签名，使用基于DC和帧的运动系数或DC的信息来确定，以及 帧的AC系数。 至少部分地基于与视频段的一部分相关联的音频信号的特性，给定的提取的签名可以替代地是音频签名。 也可以使用其他类型的签名。 有利地，本发明允许以显着减少的存储器和计算资源的量来实现特定视频内容的识别和提取。

    Visual indexing system
    8.
    发明授权
    Visual indexing system 有权
    视觉索引系统

    公开(公告)号：US06185363B2

    公开(公告)日：2001-02-06

    申请号：US09436196

    申请日：1999-11-08

    申请人： Nevenka Dimitrova ,  Thomas McGee ,  Jan Hermanus Elenbaas

    发明人： Nevenka Dimitrova ,  Thomas McGee ,  Jan Hermanus Elenbaas

    IPC分类号： H04N5783

    CPC分类号： G06F17/30843 ,  G06F17/30814 ,  G06F17/30852 ,  G11B27/102 ,  G11B27/11 ,  G11B27/28 ,  G11B27/3027 ,  G11B27/326 ,  G11B2220/2562 ,  G11B2220/65 ,  G11B2220/90 ,  H04N5/147 ,  H04N19/48 ,  H04N19/90

    摘要： A video indexing system analyzes contents of source video and develops a visual table of contents using selected images. The source video is analyzed to detect video cuts from one scene to another, and static scenes. Keyframes are selected for each significant scene. A keyframe filtering process filters out less desired frames including, for example, unicolor frames, or those frames having a same object as a primary focus or one primary focuses. A visual index is created from those frames remaining after the keyframe filtering and stored for retrieval. The visual index may be retrieved by a user who may then display the visual index on a display. The user may select one of the frames displayed in the visual index and the source video may be manually (by the user) or automatically advanced to that frame of the source video. Additionally, a user may print the visual index.

    摘要翻译： 视频索引系统分析源视频的内容，并使用选定的图像开发视觉目录。 源视频被分析以检测从一个场景到另一个场景的视频剪辑以及静态场景。 为每个重要场景选择关键帧。 关键帧过滤过滤过滤出不太期望的帧，包括例如单色帧，或具有与主要焦点相同的对象的帧或一个主要焦点。 从关键帧过滤之后剩余的帧创建视觉索引，并存储以供检索。 视觉索引可以由用户检索，然后用户可以在显示器上显示视觉索引。 用户可以选择在视觉索引中显示的帧中的一个，并且源视频可以是手动的（由用户）或自动前进到源视频的帧。 另外，用户可以打印视觉索引。

    Visual indexing system
    9.
    发明授权
    Visual indexing system 失效
    视觉索引系统

    公开(公告)号：US6125229A

    公开(公告)日：2000-09-26

    申请号：US867145

    申请日：1997-06-02

    申请人： Nevenka Dimitrova ,  Thomas McGee ,  Jan Hermanus Elenbaas

    发明人： Nevenka Dimitrova ,  Thomas McGee ,  Jan Hermanus Elenbaas

    IPC分类号： H04N5/76 ,  G06F17/30 ,  G11B27/10 ,  G11B27/11 ,  G11B27/28 ,  G11B27/30 ,  G11B27/32 ,  H04N5/14 ,  H04N7/26 ,  H04N5/783

    CPC分类号： G06F17/30843 ,  G06F17/30814 ,  G06F17/30852 ,  G11B27/11 ,  G11B27/28 ,  G11B27/3027 ,  G11B27/326 ,  H04N19/48 ,  H04N19/90 ,  H04N5/147 ,  G11B2220/2562 ,  G11B2220/65 ,  G11B2220/90 ,  G11B27/102

    摘要： A video indexing system analyzes contents of source video and develops a visual table of contents using selected images. The source video is analyzed to detect video cuts from one scene to another, and static scenes. Keyframes are selected for each significant scene. A keyframe filtering process filters out less desired frames including, for example, unicolor frames, or those frames having a same object as a primary focus or one primary focuses. A visual index is created from those frames remaining after the keyframe filtering and stored for retrieval. The visual index may be retrieved by a user who may then display the visual index on a display. The user may select one of the frames displayed in the visual index and the source video may be manually (by the user) or automatically advanced to that frame of the source video. Additionally, a user may print the visual index.

    摘要翻译： 视频索引系统分析源视频的内容，并使用选定的图像开发视觉目录。 源视频被分析以检测从一个场景到另一个场景的视频剪辑以及静态场景。 为每个重要场景选择关键帧。 关键帧过滤过滤过滤出不太期望的帧，包括例如单色帧，或具有与主要焦点相同的对象的帧或一个主要焦点。 从关键帧过滤之后剩余的帧创建视觉索引，并存储以供检索。 视觉索引可以由用户检索，然后用户可以在显示器上显示视觉索引。 用户可以选择在视觉索引中显示的帧中的一个，并且源视频可以是手动的（由用户）或自动前进到源视频的帧。 另外，用户可以打印视觉索引。