Abstract
Presented method for fringe pattern enhancement has been designed for processing and analyzing low quality fringe patterns. It uses a modified fast and adaptive bidimensional empirical mode decomposition (FABEMD) for the extraction of bidimensional intrinsic mode functions (BIMFs) from an interferogram. Fringe pattern is then selectively reconstructed (SR) taking the regions of selected BIMFs with high modulation values only. Amplitude demodulation and normalization of the reconstructed image is conducted using the spiral phase Hilbert transform (HS). It has been tested using computer generated interferograms and real data. The performance of the presented SR-FABEMD-HS method is compared with other normalization techniques. Its superiority, potential and robustness to high fringe density variations and the presence of noise, modulation and background illumination defects in analyzed fringe patterns has been corroborated.
Highlights
Lista publikacji z dnia 31 października 2014 Publikacje w czasopismach 1.
Patorski K., Trusiak M., Tkaczyk T., 2014, Optically-sectioned two-shot structured illumination microscopy with Hilbert-Huang processing, Optics Express 22(28): s.
Patorski K., Pokorski K., Trusiak M., 2014, Circular–linear grating Talbot interferometry with moiré Fresnel imaging for beam collimation, Optics Letters 39(2): s.
Summary
Lista publikacji z dnia 31 października 2014 Publikacje w czasopismach 1. Patorski K., Trusiak M., Tkaczyk T., 2014, Optically-sectioned two-shot structured illumination microscopy with Hilbert-Huang processing, Optics Express 22(28): s.
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