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Automatic Nacre Thickness Measurement of Tahitian Pearls

Archive ouverte | Loesdau, Martin | CCSD

International audience. In this paper a methodology for an automatized measurement of the nacre thickness of Tahitian pearls is presented. An adapted snake approach as well as our own developed circle detection algo...

Automatic Nacre Thickness Measurement of Tahitian Pearls

Archive ouverte | Gabillon, Alban | CCSD

International audience. In this paper a methodology for an automatized measurement of the nacre thickness of Tahitian pearls is presented. An adapted snake approach as well as our own developed circle detection algo...

Automatic Classification of Tahitian Pearls

Archive ouverte | Loesdau, Martin | CCSD

International audience. Tahitian pearls are currently classified manually by pearl experts. This process is time consuming and furthermore subjective for some of the quality parameters such as colour, form or lustre...

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