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摘要: 利用光流场信息及运动内极限约束确定运动目标区域的初始分割,提取光流大小与光流方向两个特征构成特征向量,使用K-means聚类算法获得运动目标区域,利用水平集方法对初始运动区域进行进一步分割,通过最小化定义的能量函数驱动代表运动目标的闭合曲线进行演化,曲线演化将在空间梯度较大的位置停止,从而得到运动目标的封闭边缘曲线。实验表明,该方法可有效地从图像序列中检测出完整的运动目标。
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