Image quality improvement methods for optical coherence tomography
US11257190B2 · kind B2 · utility
25Cited by
2References
13Claims
0Family size
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Key dates
| Filing date | Feb 21, 2020 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Apr 23, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30041
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Ophthalmological images generated by coherent imaging modalities have multiple types of noise, including random noise caused by the imaging system and speckle noise caused by turbid objects such as living tissues. These noises can occur at different levels in different locations. A noise-reduction method and system of the present disclosure thus relates to applying different filters for different types of noise and/or different locations of images, sequentially or in parallel and combined, to produce a final noise-reduced image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.