Method and apparatus for generating dental panoramic image, and panoramic camera for photographing teeth
US10602996B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2014 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Nov 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30196
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Method and apparatus for generating a dental panoramic image and panoramic camera for photographing teeth, including: determining a frame frequency of a reference detector, and determining frame frequency of a photographing detector; photographing teeth according to the frame frequency of the photographing detector to generate a plurality of images; performing a shift and superposition on the images to generate a first panoramic image; acquiring a fuzzy region in the first panoramic image; and performing a frame frequency adjustment on each row in the fuzzy region to generate a clear image, and fusing the clear image and the first panoramic image to generate a second panoramic image. By using different changing rules of the frame frequency for imaging for each row of the image, both cusps and roots of teeth of the patient may be arranged in a focusing layer, generating a clear image, and improving definition of the panoramic image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.