What is the optimal frame resolution and size for detectface method?

[jboundaries]

Found lagging if frame size goes beyond 100KB. Face detection accuracy affects if resolution comes down. What could be the optimal frame resolution and size for the face detect method?

[jboundaries]

https://stackoverflow.com/questions/57812858/mtcnn-face-detection-alignment-lagging-in-ip-camera-convention-behind-opencv-cv

https://stackoverflow.com/questions/57852160/how-to-scale-down-physical-size-of-image-in-python-opencv?noredirect=1&lq=1

related questions.