2015年
Surface measurement by digital holography with new unwrapping method
Key Engineering Materials
- ,
- 巻
- 643
- 号
- 開始ページ
- 179
- 終了ページ
- 183
- 記述言語
- 英語
- 掲載種別
- 研究論文(国際会議プロシーディングス)
- DOI
- 10.4028/www.scientific.net/KEM.643.179
- 出版者・発行元
- Trans Tech Publications Ltd
Digital holography can record 3-D image of the object by using one CCD camera. Surface shape can be measured by changing angles of the object-illuminating mirror. But the measured signals are wrapped because of the periodicity of a sinusoidal function, and then phase unwrapping is needed. We have developed a new modified phase unwrapping method and applied it to surface measurement. Unwrapping errors were significantly reduced in comparison to application of the previous method..
- ID情報
-
- DOI : 10.4028/www.scientific.net/KEM.643.179
- ISSN : 1013-9826
- SCOPUS ID : 84930169394