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公开(公告)号：US20240159683A1
公开(公告)日：2024-05-16
申请号：US18421823
申请日：2024-01-24
Applicant: Gemological Institute of America, Inc. (GIA)
Inventor： Hiroshi TAKAHASHI
CPC classification number: G01N21/87 , G01N21/255 , G01N33/381 , G06T7/90 , G01N21/88
Abstract: Provided herein is an apparatus for assessing a color characteristic of a gemstone. The apparatus comprises an optically opaque platform for supporting a sample gemstone to be assessed, a daylight-approximating light source to provide uniform illumination to the gemstone, an image capturing component, and a telecentric lens positioned to provide an image of the illuminated gemstone to the image capturing component. Also provided are methods of color analysis based on images collected using such an apparatus.
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公开(公告)号：US20230213447A1
公开(公告)日：2023-07-06
申请号：US18121577
申请日：2023-03-14
Applicant: Gemological Institute of America, Inc. (GIA)
Inventor： Hiroshi TAKAHASHI
CPC classification number: G01N21/6456 , G01N33/381 , G01N21/87 , G01N2201/0634 , G01N2021/6471 , G01N2201/062 , G01N2201/068 , G01N2201/12
Abstract: Provided herein is an apparatus for assessing a fluorescence characteristic of a gemstone. The apparatus comprises an optically opaque platform for supporting a gemstone to be assessed, one or more light source to provide uniform UV and non-UV illumination, an image capturing component, and a telecentric lens positioned to provide fluorescent images of the illuminated gemstone to the image capturing component. Also provided are methods of fluorescence analysis based on images collected using such an apparatus.
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公开(公告)号：US20230082604A1
公开(公告)日：2023-03-16
申请号：US17962784
申请日：2022-10-10
Applicant: Gemological Institute of America, Inc. (GIA)
Inventor： Tsung-Han TSAI , Hiroshi TAKAHASHI
Abstract: Systems and methods here may be used for automated capturing and analyzing spectrometer data of multiple sample gemstones on a stage, including mapping digital camera image data of samples, applying a Raman Probe to a first sample gemstone under evaluation on the stage, receiving spectrometer data of the sample gemstone from the probe, automatically moving the stage to a second sample, using the image data, and analyzing the other samples.
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公开(公告)号：US20210302322A1
公开(公告)日：2021-09-30
申请号：US17200706
申请日：2021-03-12
Applicant: Gemological Institute of America, Inc. (GIA)
Inventor： Tsung-Han TSAI , Hiroshi TAKAHASHI
Abstract: Systems and methods here may be used for automated capturing and analyzing spectrometer data of multiple sample gemstones on a stage, including mapping digital camera image data of samples, applying a Raman Probe to a first sample gemstone under evaluation on the stage, receiving spectrometer data of the sample gemstone from the probe, automatically moving the stage to a second sample, using the image data, and analyzing the other samples.
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公开(公告)号：US20240167955A1
公开(公告)日：2024-05-23
申请号：US18420704
申请日：2024-01-23
Applicant: Gemological Institute of America, Inc. (GIA)
Inventor： Hiroshi TAKAHASHI
CPC classification number: G01N21/6456 , G01N21/87 , G01N33/381 , G01N2021/6471 , G01N2201/062 , G01N2201/0634 , G01N2201/068 , G01N2201/12
Abstract: Provided herein is an apparatus for assessing a fluorescence characteristic of a gemstone. The apparatus comprises an optically opaque platform for supporting a gemstone to be assessed, one or more light source to provide uniform UV and non-UV illumination, an image capturing component, and a telecentric lens positioned to provide fluorescent images of the illuminated gemstone to the image capturing component. Also provided are methods of fluorescence analysis based on images collected using such an apparatus.
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Patent Agency Ranking
公开(公告)号：US20220196565A1
公开(公告)日：2022-06-23
申请号：US17555241
申请日：2021-12-17
Applicant: Gemological Institute of America, Inc. (GIA)
Inventor： Yun LUO , David NELSON , Troy ARDON , Christopher M. BREEDING , Hiroshi TAKAHASHI
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.
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公开(公告)号：US20160290930A1
公开(公告)日：2016-10-06
申请号：US14673776
申请日：2015-03-30
Applicant: GEMOLOGICAL INSTITUTE OF AMERICA, INC.
Inventor： Hiroshi TAKAHASHI
CPC classification number: G01N21/87 , G01N21/255 , G01N21/88 , G01N33/381 , G01N2201/061 , G01N2201/0631 , G01N2201/0634 , G01N2201/0638 , G01N2201/065
Abstract: Provided herein is an apparatus for assessing a color characteristic of a gemstone. The apparatus comprises an optically opaque platform for supporting a sample gemstone to be assessed, a daylight-approximating light source to provide uniform illumination to the gemstone, an image capturing component, and a telecentric lens positioned to provide an image of the illuminated gemstone to the image capturing component. Also provided are methods of color analysis based on images collected using such an apparatus.
Abstract translation: 本文提供了一种用于评估宝石的颜色特性的装置。 该装置包括用于支撑要评估的样品宝石的光学不透明平台，用于向宝石提供均匀照明的日光近似光源，图像拍摄部件和远心透镜，定位成将照明宝石的图像提供给 图像捕获组件。 还提供了基于使用这种装置收集的图像进行颜色分析的方法。
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公开(公告)号：US20220163457A1
公开(公告)日：2022-05-26
申请号：US17670411
申请日：2022-02-11
Applicant: Gemological Institute of America, Inc. (GIA)
Inventor： Hiroshi TAKAHASHI
Abstract: Provided herein is an apparatus for assessing a color characteristic of a gemstone. The apparatus comprises an optically opaque platform for supporting a sample gemstone to be assessed, a daylight-approximating light source to provide uniform illumination to the gemstone, an image capturing component, and a telecentric lens positioned to provide an image of the illuminated gemstone to the image capturing component. Also provided are methods of color analysis based on images collected using such an apparatus.
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公开(公告)号：US20210116379A1
公开(公告)日：2021-04-22
申请号：US17115581
申请日：2020-12-08
Applicant: Gemological Institute of America, Inc. (GIA)
Inventor： Hiroshi TAKAHASHI
Abstract: Provided herein is an apparatus for assessing a fluorescence characteristic of a gemstone. The apparatus comprises an optically opaque platform for supporting a gemstone to be assessed, one or more light source to provide uniform UV and non-UV illumination, an image capturing component, and a telecentric lens positioned to provide fluorescent images of the illuminated gemstone to the image capturing component. Also provided are methods of fluorescence analysis based on images collected using such an apparatus.
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公开(公告)号：US20170370855A1
公开(公告)日：2017-12-28
申请号：US15588389
申请日：2017-05-05
Applicant: GEMOLOGICAL INSTITUTE OF AMERICA INC. (GIA)
Inventor： Hiroshi TAKAHASHI
Abstract: Provided herein is an apparatus for assessing a color characteristic of a gemstone. The apparatus comprises an optically opaque platform for supporting a sample gemstone to be assessed, a daylight-approximating light source to provide uniform illumination to the gemstone, an image capturing component, and a telecentric lens positioned to provide an image of the illuminated gemstone to the image capturing component. Also provided are methods of color analysis based on images collected using such an apparatus.
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