提出了一种基于轮廓匹配来预测二维关节点的算法，有效地解决了遮挡和跟踪错误积累这一关键问题。

Propose a method based on shape matching to solve the occlusion and error accumulation which are two difficult problems in the human body tracking.

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同时，基于轮廓匹配来预测二维关节点的算法有效地解决了遮挡和跟踪错误积累这一关键问通。

A method based on shape matching was also promoted to solve the occlusion and error accumulation problem.

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