The MIVD method of optimal seeding state detection using image processing technology for sapphire crystal growth via the Kyropoulos method

Yu Liu,Tiezhu Qiao,Yi Yang,Zhang Haitao,Yusong Pang, Hong chen

Measurement（2020）

引用 3|浏览4

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摘要

•The MIVD method tracks the periodic motion characteristics of the spoke pattern.•The MIVD method proposes a similarity and periodicity detection model for optimal seeding state.•The MIVD method improves the quality of sapphire single crystal.

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关键词

Seeding state detection,Multi-frame intercomparison visual detection (MIVD),Crystal quality,Fréchet distance,Spoke pattern

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