Detection of imperfections in precious stones

A system for the inspection of a precious stone, including an energy transfer system for changing the temperature of the stone, at least one imaging device imaging the stone and outputting a thermal map of the stone, an image processing unit utilizing the thermal map to determine regions having chan...

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Main Authors HAAS NADAV, LEDERER UDI, ALTMAN JOSHUA, KERNER AVI, TSHUVA MOSHE, LESHEM ZEEV
Format Patent
LanguageEnglish
Published 02.06.2005
Edition7
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Abstract A system for the inspection of a precious stone, including an energy transfer system for changing the temperature of the stone, at least one imaging device imaging the stone and outputting a thermal map of the stone, an image processing unit utilizing the thermal map to determine regions having changed emission in the thermal map, and an analyzing unit detecting at least one imperfection in the stone from the regions of changed emission.
AbstractList A system for the inspection of a precious stone, including an energy transfer system for changing the temperature of the stone, at least one imaging device imaging the stone and outputting a thermal map of the stone, an image processing unit utilizing the thermal map to determine regions having changed emission in the thermal map, and an analyzing unit detecting at least one imperfection in the stone from the regions of changed emission.
Author LEDERER UDI
LESHEM ZEEV
ALTMAN JOSHUA
KERNER AVI
TSHUVA MOSHE
HAAS NADAV
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ALTMAN JOSHUA
KERNER AVI
TSHUVA MOSHE
HAAS NADAV
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Snippet A system for the inspection of a precious stone, including an energy transfer system for changing the temperature of the stone, at least one imaging device...
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SubjectTerms INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
Title Detection of imperfections in precious stones
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