Tampere University of Technology

TUTCRIS Research Portal

Multiwavelength surface contouring from phase-coded diffraction patterns

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Standard

Multiwavelength surface contouring from phase-coded diffraction patterns. / Katkovnik, Vladimir; Shevkunov, Igor; Petrov, Nikolay V.; Eguiazarian, Karen.

Unconventional Optical Imaging 2018. Strasbourg, France. SPIE, 2018. 106771B (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10677).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Harvard

Katkovnik, V, Shevkunov, I, Petrov, NV & Eguiazarian, K 2018, Multiwavelength surface contouring from phase-coded diffraction patterns. in Unconventional Optical Imaging 2018. Strasbourg, France., 106771B, Proceedings of SPIE - The International Society for Optical Engineering, vol. 10677, SPIE, Unconventional Optical Imaging, 1/01/00. https://doi.org/10.1117/12.2306127

APA

Katkovnik, V., Shevkunov, I., Petrov, N. V., & Eguiazarian, K. (2018). Multiwavelength surface contouring from phase-coded diffraction patterns. In Unconventional Optical Imaging 2018. Strasbourg, France [106771B] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10677). SPIE. https://doi.org/10.1117/12.2306127

Vancouver

Katkovnik V, Shevkunov I, Petrov NV, Eguiazarian K. Multiwavelength surface contouring from phase-coded diffraction patterns. In Unconventional Optical Imaging 2018. Strasbourg, France. SPIE. 2018. 106771B. (Proceedings of SPIE - The International Society for Optical Engineering). https://doi.org/10.1117/12.2306127

Author

Katkovnik, Vladimir ; Shevkunov, Igor ; Petrov, Nikolay V. ; Eguiazarian, Karen. / Multiwavelength surface contouring from phase-coded diffraction patterns. Unconventional Optical Imaging 2018. Strasbourg, France. SPIE, 2018. (Proceedings of SPIE - The International Society for Optical Engineering).

Bibtex - Download

@inproceedings{76652f89ad014b58a41e6b6a6fb9113e,
title = "Multiwavelength surface contouring from phase-coded diffraction patterns",
abstract = "We propose a new algorithm for absolute phase retrieval from multiwavelength noisy phase coded diffraction patterns in the task of surface contouring. A lensless optical setup is considered with a set of successive single wavelength experiments. The phase masks are applied for modulation of the multiwavelength object wavefronts. The algorithm uses the forward and backward propagation for coherent light beams and sparsely encoding wavefronts which leads to the complex-domain block-matching 3D filtering. The key-element of the algorithm is an original aggregation of the multiwavelength object wavefronts for high-dynamic-range profile measurement. Numerical experiments demonstrate that the developed approach leads to the effective solutions explicitly using the sparsity for noise suppression and high-accuracy object profile reconstruction.",
keywords = "absolute phase retrieval, discrete optical signal processing, Multiwavelength phase retrieval, phase imaging, surface contouring",
author = "Vladimir Katkovnik and Igor Shevkunov and Petrov, {Nikolay V.} and Karen Eguiazarian",
year = "2018",
month = "1",
day = "1",
doi = "10.1117/12.2306127",
language = "English",
isbn = "978-1-5106-1880-0",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
booktitle = "Unconventional Optical Imaging 2018. Strasbourg, France",
address = "United States",

}

RIS (suitable for import to EndNote) - Download

TY - GEN

T1 - Multiwavelength surface contouring from phase-coded diffraction patterns

AU - Katkovnik, Vladimir

AU - Shevkunov, Igor

AU - Petrov, Nikolay V.

AU - Eguiazarian, Karen

PY - 2018/1/1

Y1 - 2018/1/1

N2 - We propose a new algorithm for absolute phase retrieval from multiwavelength noisy phase coded diffraction patterns in the task of surface contouring. A lensless optical setup is considered with a set of successive single wavelength experiments. The phase masks are applied for modulation of the multiwavelength object wavefronts. The algorithm uses the forward and backward propagation for coherent light beams and sparsely encoding wavefronts which leads to the complex-domain block-matching 3D filtering. The key-element of the algorithm is an original aggregation of the multiwavelength object wavefronts for high-dynamic-range profile measurement. Numerical experiments demonstrate that the developed approach leads to the effective solutions explicitly using the sparsity for noise suppression and high-accuracy object profile reconstruction.

AB - We propose a new algorithm for absolute phase retrieval from multiwavelength noisy phase coded diffraction patterns in the task of surface contouring. A lensless optical setup is considered with a set of successive single wavelength experiments. The phase masks are applied for modulation of the multiwavelength object wavefronts. The algorithm uses the forward and backward propagation for coherent light beams and sparsely encoding wavefronts which leads to the complex-domain block-matching 3D filtering. The key-element of the algorithm is an original aggregation of the multiwavelength object wavefronts for high-dynamic-range profile measurement. Numerical experiments demonstrate that the developed approach leads to the effective solutions explicitly using the sparsity for noise suppression and high-accuracy object profile reconstruction.

KW - absolute phase retrieval

KW - discrete optical signal processing

KW - Multiwavelength phase retrieval

KW - phase imaging

KW - surface contouring

U2 - 10.1117/12.2306127

DO - 10.1117/12.2306127

M3 - Conference contribution

SN - 978-1-5106-1880-0

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Unconventional Optical Imaging 2018. Strasbourg, France

PB - SPIE

ER -