Patent ID: 11899837
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 17:
18. A method for eye gaze tracking comprising:
generating a three-dimensional (3D) point cloud of a person's face from infrared (IR) data captured from an IR camera;
generating a two-dimensional image of the person's face from visible wavelength data captured from a visible wavelength camera;
detecting a symmetry plane of the person's face based on the 3D point cloud and the two-dimensional image, the symmetry plane divides the 3D point cloud into two portions, including minimizing a cost function to detect the symmetry plane, the cost function comprising a first parameter that provides a first weight for a first symmetrical half of the person's face and a second parameter that provides a second weight for a second symmetrical half of the person's face;
reconstructing the 3D point cloud based on the symmetry plane; and
tracking eye gaze of the person's face based on the reconstructed 3D point cloud.