Invention Application
- Patent Title: GEMSTONE BLUE FLUORESCENCE DETECTION AND GRADING
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Application No.: US17555241Application Date: 2021-12-17
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Publication No.: US20220196565A1Publication Date: 2022-06-23
- Inventor: Yun LUO , David NELSON , Troy ARDON , Christopher M. BREEDING , Hiroshi TAKAHASHI
- 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
- Main IPC: G01N21/88
- IPC: G01N21/88 ; G06V20/69 ; G06V10/60 ; G06V10/141 ; G06T7/13
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
- US11988610B2 Detection and grading of the effect of blue fluorescence on diamond appearances Public/Granted day:2024-05-21
Information query
