International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

Downloads: 110 | Views: 116

Research Paper | Engineering Science | Morocco | Volume 3 Issue 12, December 2014

Denoising by Wavelet Thresholding Applied to DHPIV

S. Houmairi | A. Nassim

Abstract: Digital Holographic Particle Image Velocimetry is a promising technique for flow field measurement. However, the low resolution of the sensors still remains poor and needs to be compensated by image processing techniques. The study is organized as fellows. We present the two in-line holograms algorithm which permits, at the same time, to retrieve the absorption and the phase shift images. The use of the phase shift information to particle localization permits to increase the accuracy along the depth direction. A wavelet thresholding method is employed to remove noise in the reconstructed absorption and phase shift by using a simple subband adaptive threshold. The proposed methods are illustrated with computer simulation

Keywords: Digital Holography, Particle image velocimetry PIV, Wavelet Denoising, Wavelet Thresholding

Edition: Volume 3 Issue 12, December 2014,

Pages: 1767 - 1771

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How to Cite this Article?

S. Houmairi, A. Nassim, "Denoising by Wavelet Thresholding Applied to DHPIV", International Journal of Science and Research (IJSR), Volume 3 Issue 12, December 2014, pp. 1767-1771,

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