Patent ID: 11928832
Assignee: ALIGN TECHNOLOGY, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  A | IPC A  G

Claim 14:
15. The intraoral scanning system of claim 1, wherein the first intraoral scan comprises a first height map, and wherein the second intraoral scan comprises a second height map, and wherein the computing device is further to:
generate a projected height map by projecting the second height map onto a plane associated with the first intraoral scan;
wherein determining whether a point in the second intraoral scan is behind a corresponding point in the first intraoral scan when viewed from the first viewing direction comprises:
determining a difference between a first height for the point from the first height map and a second height for the point from the projected height map; and
determining whether the difference is a positive value or a negative value.