获取人脸512特征向量

使用InsightFace去获取人脸特征值 uses InsightFace to extract the face features

Note：下载 face_embedding model, download link: https://pan.baidu.com/s/18EWcP5YJmeDrY1A8_k09pw , Extraction code: 82ht; After Downloading, unzip mfa-models，and move the models folder to bootcamp/solutions/MFA/webserver/face-embedding ;