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    • 68. 发明授权
    • Multi-mode region-of-interest video object segmentation
    • 多模式感兴趣区域视频对象分割
    • US08605945B2
    • 2013-12-10
    • US13437736
    • 2012-04-02
    • Khaled Helmi El-MalehHaohong Wang
    • Khaled Helmi El-MalehHaohong Wang
    • G06K9/00
    • G06K9/00234G06K9/00248G06T7/11G06T7/174G06T7/194G06T7/215G06T2207/10016G06T2207/20036G06T2207/20132G06T2207/30201
    • The disclosure is directed to techniques for automatic segmentation of a region-of-interest (ROI) video object from a video sequence. ROI object segmentation enables selected ROI or “foreground” objects of a video sequence that may be of interest to a viewer to be extracted from non-ROI or “background” areas of the video sequence. Examples of a ROI object are a human face or a head and shoulder area of a human body. The disclosed techniques include a hybrid technique that combines ROI feature detection, region segmentation, and background subtraction. In this way, the disclosed techniques may provide accurate foreground object generation and low-complexity extraction of the foreground object from the video sequence. A ROI object segmentation system may implement the techniques described herein. In addition, ROI object segmentation may be useful in a wide range of multimedia applications that utilize video sequences, such as video telephony applications and video surveillance applications.
    • 本公开涉及从视频序列自动分割感兴趣区域(ROI)视频对象的技术。 ROI对象分割使得可以从视频序列的非ROI或“背景”区域中提取观看者感兴趣的视频序列的所选ROI或“前景”对象。 ROI对象的示例是人体的人脸或头肩部区域。 所公开的技术包括组合ROI特征检测,区域分割和背景减除的混合技术。 以这种方式,所公开的技术可以从视频序列提供前景对象生成和前景对象的低复杂度提取的准确性。 ROI对象分割系统可以实现本文描述的技术。 此外,ROI对象分割可能在使用诸如视频电话应用和视频监控应用之类的视频序列的多种多媒体应用中是有用的。