Analysis of the principal component algorithm in phase-shifting interferometry
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2011
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The Optical Society Of America
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Abstract
We recently presented a new asynchronous demodulation method for phase-sampling interferometry. The method is based in the principal component analysis (PCA) technique. In the former work, the PCA method was derived heuristically. In this work, we present an in-depth analysis of the PCA demodulation method.
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© 2011 The Optical Society Of America