re-extract中文什么意思

例句与用法

1. Then use adaptive region - based complexion re - extracting algorithm to extract human - faces again , after that , a region shape is used to filter the faces acquired from above two steps in order to identify the right people and finally the eyes are detected for further verifying the detecting result
   该算法利用肤色模型初步提取人脸区域，利用基于区域生长的肤色再提取自适应算法再次提取人脸，利用区域形状对候选区域进行筛选，最后检测下巴和眼睛以进行验证。