US Patent 11589007 Virtual 3D communications that include reconstruction of hidden face areas

A method for conducting a three dimensional (3D) video conference between multiple participants, the method may include determining, for each participant, updated 3D participant representation information within the virtual 3D video conference environment, that represents participants; wherein the determining comprises estimating 3D participant representation information of one or more hidden areas of a face of a participant that are hidden from the camera that captures at least one visible area of the face of the participant; and generating, for at least one participant, an updated representation of virtual 3D video conference environment, the updated representation of virtual 3D video conference environment represents the updated 3D participant representation information for at least some of the multiple participants.