For maintaining eye contact during video call we need to look at camera rather than screen. Unless there is some model trained to correct this by maintaining eye contact irrespective of camera, it will be hard to fix as it may deviate the level of concntration during call. Intel researchers are trying to solve this problem by developing eye contact correction system for video calls. https://techxplore.com/news/2019-06-intel-eye-contact-video-...