实现图像的抠图功能，即把前景和背景分开。
In order to matting image, that is to separate the foreground and background.
背景差异抠图算法在许多视觉系统中因被用作物体跟踪、检测的预处理步骤而被广泛使用。
Background subtraction technique has been widely used in many vision systems as a preprocessing step for object detecting and tracking.
为了获得精确的和视觉上连续的抠图结果，提出了一种基于简单笔画的图像抠图方法，该方法仅需要用户以少量笔画和拖拽矩形框的方式指定前景和背景像素即可实现。
To reduce labors such as user input, this paper proposes a simple stroke-based iterative image matting approach, which only needs a few user scribbles to mark foreground and background pixels.
为了获得精确的和视觉上连续的抠图结果，提出了一种基于简单笔画的图像抠图方法，该方法仅需要用户以少量笔画和拖拽矩形框的方式指定前景和背景像素即可实现。
To reduce labors such as user input, this paper proposes a simple stroke-based iterative image matting approach, which only needs a few user scribbles to mark foreground and background pixels.
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