鼻中部的 meaning in Chinese

mesonasal

Second , face region ' s horizontal gray - level projection is used localize the top of the head and the middle of the nose . three , the face structure mode utilized to estimate the positions of eyes , and the edge features are checked to give the proper positions of eyes
之后利用人脸区域的水平灰度投影确定头顶至鼻中部的上下边界，然后利用人脸比例模型估计人眼的大概位置，分析人眼区域的边缘图像，给出人眼的确切位置。