Single shot fringe pattern phase demodulation using Hilbert-Huang transform aided by the principal component analysis
Maciej Trusiak , Łukasz Służewski , Krzysztof Patorski
AbstractHybrid single shot algorithm for accurate phase demodulation of complex fringe patterns is proposed. It employs empirical mode decomposition based adaptive fringe pattern enhancement (i.e., denoising, background removal and amplitude normalization) and subsequent boosted phase demodulation using 2D Hilbert spiral transform aided by the Principal Component Analysis method for novel, correct and accurate local fringe direction map calculation. Robustness to fringe pattern significant noise, uneven background and amplitude modulation as well as local fringe period and shape variations is corroborated by numerical simulations and experiments. Proposed automatic, adaptive, fast and comprehensive fringe analysis solution compares favorably with other previously reported techniques.
|Journal series||Optics Express, ISSN 1094-4087 |
|Publication size in sheets||0.85|
|Keywords in Polish||automatyczna analiza obrazów prążkowych, interferometria, metrologia optyczna|
|Keywords in English||automatic fringe pattern analysis, interferometry, optical metrology|
|Score|| = 40.0, 28-11-2017, ArticleFromJournal|
= 45.0, 28-11-2017, ArticleFromJournal
|Publication indicators||: 2016 = 3.307 (2) - 2016=3.436 (5)|
|Citation count*||20 (2018-06-23)|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.