Intraoral scanning system using light patterns based on path traversal
AssigneeMedit Corp.
InventorsAsad Abu-Tarif, Saradwata Sarkar
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Abstract
A scanning system is described herein which incorporates projecting a plurality of patterns onto an object of interest and capturing the reflected image. Each pattern is based at least in part on traversing a hypercube graph or a Fibonacci cube graph using a Hamiltonian path. The patterns are used to help define the three-dimensional shape of the underlying object of interest, while also providing more robust error-correcting properties. After the reflected image of the projected pattern is captured, the scanning system further processes and displays a three-dimensional model of the captured object of interest.
Claims20
An intraoral dental scanning system comprising:
- (a) a plurality of patterns, wherein each pattern is based at least in part on a Hamiltonian path traversal of a graph;
- (b) an acquisition system configured to illuminate an intraoral dental object of interest with at least one selected pattern from the plurality of patterns and record a patterned image reflected off the intraoral dental object of interest;
- (c) a processing system configured to convert the patterned image into a three-dimensional model;
- and
- (d) a presentation system configured to present the three-dimensional model.
A method of scanning an intraoral dental object of interest comprising:
- (a) creating a pattern based on a Hamiltonian path traversal of a graph;
- (b) illuminating an intraoral dental object of interest with the pattern;
- (c) recording a patterned image reflected off the intraoral dental object of interest;
- (d) converting the patterned image into a three-dimensional model;
- and
- (e) presenting the three-dimensional model on a visual display.
Dependencies are inferred from the claim text.