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基于鼻子下轮廓线的鼻尖定位法

, PP. 54-61

Keywords: 鼻尖定位,Canny算子,最小二乘拟合算法,人脸姿态估计

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Abstract:

提出了一种基于鼻子下轮廓线的鼻尖定位算法.该算法首先利用人脸先验知识和眼睛位置确定鼻子候选区域,然后用Canny算子抽出鼻子边缘,通过计算其置信度获取鼻子下轮廓线,最后采用最小二乘法拟合鼻子下轮廓线为抛物线,从而确定鼻尖位置.实验表明,本算法具有较高的鼻尖定位精度和应用价值.

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