Hikvision New Generation Fisheye Camera offers a complete, high-resolution, 360-degree panoramic view with no blind spots. ... <看更多>

Fisheye or Normal Camera Intrinsic and Extrinsic Calibration. ... based on ORB-SLAM for fisheye cameras, without rectifying or cropping the input images. ... <看更多>

You could remove the fisheye distortion and try face recognition afterwards, I don't know how fast that is though. You can do it in OpenCV, ... ... <看更多>