Invention Grant
- Patent Title: Detection and grading of the effect of blue fluorescence on diamond appearances
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Application No.: US17555241Application Date: 2021-12-17
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Publication No.: US11988610B2Publication Date: 2024-05-21
- Inventor: Yun Luo , David Nelson , Troy Ardon , Christopher M. Breeding
- Applicant: Gemological Institute of America, Inc. (GIA)
- Applicant Address: US CA Carlsbad
- Assignee: Gemological Institute of America, Inc. (GIA)
- Current Assignee: Gemological Institute of America, Inc. (GIA)
- Current Assignee Address: US CA Carlsbad
- Agency: DLA Piper LLP (US)
- Main IPC: G01N21/88
- IPC: G01N21/88 ; G06T7/13 ; G06V10/141 ; G06V10/60 ; G06V20/69
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.
Public/Granted literature
- US20220196565A1 GEMSTONE BLUE FLUORESCENCE DETECTION AND GRADING Public/Granted day:2022-06-23
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