Patent Document ID: 9436868
Application ID: 13217652
Patent Status: 1

Claim One:
1. A method of object classification for images of an intra-oral cavity, comprising: illuminating at least a portion of an intra-oral cavity with an optical beam; acquiring, at an imager having an array of photodetectors, an image of the illuminated portion of the intra-oral cavity; determining, at a processor, coordinates for a plurality of points in the image; determining, from the image, a background intensity value for each of the points; determining, at the processor, a translucence value for each of the points based on the determined background intensity value for each of the points; and determining, at the processor, an object class for each of the points based on the translucence value of the point, the object class selected from the group consisting of soft oral tissue, gingiva, teeth, posts, inserts, and cavity fillings.