And they are often distorted. First, a low passed filter is used to smooth the contour. And a polygon approximating method based on area error is used to approximate the contour.

鉴于这种情况，我们先使用低通滤波对轮廓曲线作光顺处理，随后再采用基于面积误差的多边形逼近法对曲线作逼近处理。

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IGNPC: Although WoW has fantastic art direction, many players have noted the relatively low texture resolutions and polygon counts.

IGNPC：尽管魔兽世界拥有非常出色的美工，很多玩家注意到游戏中的贴图和多边形质量较差。

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IGNPC: Although WoW has fantastic art direction, many players have noted the relatively low texture resolutions and polygon counts.

IGNPC：尽管魔兽世界拥有非常出色的美工，很多玩家注意到游戏中的贴图和多边形质量较差。

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