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公开(公告)号：US09569866B2
公开(公告)日：2017-02-14
申请号：US14643630
申请日：2015-03-10
Applicant: Adobe Systems Incorporated
CPC classification number: G06T11/203 , G06T7/12 , G06T7/149 , G06T7/246 , G06T7/60 , G06T11/001 , G06T15/005 , G06T15/10 , G06T2200/04 , G06T2207/10016 , G06T2207/10024 , G06T2207/20096 , G06T2207/20192 , G06T2210/12
Abstract: Techniques involving flexible video object boundary tracking are described. One or more curves, such as Bezier curves, are received as drawn by a user on an initial frame of video to define a boundary of an object in the frame. The curves are then mapped to a subsequent or previous frame of the video where the object is included but has a new or changed boundary. A segmentation boundary is determined for the object in the subsequent frame and endpoints of segments of the curves are snapped to the segmentation boundary. Additionally, confidence values are determined for subregions of the frame that include portions of the curves. These confidence values are used to update control points on the curve segments to fit the curve segments to the new or changed boundary of the object in the frame.
Abstract translation: 描述了涉及灵活视频对象边界跟踪的技术。 一个或多个曲线，例如Bezier曲线，由用户在视频的初始帧上绘制，以定义帧中的对象的边界。 然后将曲线映射到包含对象的视频的后续或前一帧，但具有新的或改变的边界。 为后续帧中的对象确定分割边界，并且将曲线的段的端点捕捉到分割边界。 另外，对包括曲线部分的帧的子区域确定置信度值。 这些置信度值用于更新曲线段上的控制点，以将曲线段拟合到框架中对象的新边界或更改的边界。
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公开(公告)号：US20160267690A1
公开(公告)日：2016-09-15
申请号：US14643630
申请日：2015-03-10
Applicant: Adobe Systems Incorporated
CPC classification number: G06T11/203 , G06T7/12 , G06T7/149 , G06T7/246 , G06T7/60 , G06T11/001 , G06T15/005 , G06T15/10 , G06T2200/04 , G06T2207/10016 , G06T2207/10024 , G06T2207/20096 , G06T2207/20192 , G06T2210/12
Abstract: Techniques involving flexible video object boundary tracking are described. One or more curves, such as Bezier curves, are received as drawn by a user on an initial frame of video to define a boundary of an object in the frame. The curves are then mapped to a subsequent or previous frame of the video where the object is included but has a new or changed boundary. A segmentation boundary is determined for the object in the subsequent frame and endpoints of segments of the curves are snapped to the segmentation boundary. Additionally, confidence values are determined for subregions of the frame that include portions of the curves. These confidence values are used to update control points on the curve segments to fit the curve segments to the new or changed boundary of the object in the frame.
Abstract translation: 描述了涉及灵活视频对象边界跟踪的技术。 一个或多个曲线，例如Bezier曲线，由用户在视频的初始帧上绘制，以定义帧中的对象的边界。 然后将曲线映射到包含对象的视频的后续或前一帧，但具有新的或改变的边界。 为后续帧中的对象确定分割边界，并且将曲线的段的端点捕捉到分割边界。 另外，对包括曲线部分的帧的子区域确定置信度值。 这些置信度值用于更新曲线段上的控制点，以将曲线段拟合到框架中对象的新边界或更改的边界。
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