Dental imaging system with white balance compensation
US6002424A · kind A · utility
27Cited by
22References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1997 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Jun 12, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/183
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An dental imaging apparatus and a corresponding method is disclosed. The imaging apparatus includes an image sensor, a lamp for providing illumination, and an image processor for processing the image in accordance with either a first stored white balance related to a characteristic of the lamp illumination or a second stored white balance. Preferably, the first stored white balance is used when the lamp is on, and the second stored white balance is used when the lamp is off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.