Mr. Hongtao Niu Profile

Hongtao Niu

PhD student at National Univ of Singapore

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Author

Publications (3)

Proceedings Article | 14 May 2010 Paper

Phase retrieval in ESPI from a dense phase fringe pattern

H. Niu, C. Quan, C. Tay

Proceedings Volume 7718, 771817 (2010) https://doi.org/10.1117/12.853775

KEYWORDS: Speckle, Fringe analysis, Phase retrieval, Fourier transforms, Phase shifting, Phase shifts, Phase measurement, Denoising, Beam splitters, Ferroelectric materials

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Proceedings Article | 15 April 2010 Paper

A modified WFT for shape and deformation measurement

H. Niu, C. Quan, C. Tay

Proceedings Volume 7522, 752247 (2010) https://doi.org/10.1117/12.850868

KEYWORDS: Fringe analysis, Fourier transforms, Phase retrieval, Convolution, High speed cameras, Projection systems, Speckle, Time-frequency analysis, Computing systems, Denoising

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Proceedings Article | 3 October 2008 Paper

Temporal Paul wavelet analysis for phase retrieval using shadow moire technique

H. Niu, C. Quan, C. J. Tay

Proceedings Volume 7155, 71552B (2008) https://doi.org/10.1117/12.814585

KEYWORDS: Wavelets, Fourier transforms, Fringe analysis, Wavelet transforms, Phase retrieval, Signal to noise ratio, Denoising, Continuous wavelet transforms, Moire patterns, CCD cameras

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