Detection and grading of the effect of blue fluorescence on diamond appearances
US12399131B2 · kind B2 · utility
0Cited by
5References
18Claims
0Family size
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Key dates
| Filing date | Mar 29, 2024 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Mar 29, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/8851
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Systems and methods here may be used for analyzing images of gemstones to automatically assign a haziness and/or fluorescence grade to the gemstone using contrast analysis on pixelated, digital images of the gemstones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.