Abstract
We propose a technique capable of obtaining spectral information and
three-dimensional information of objects. This technique is based on digital
holography and spectral estimation technique. In this technique, multiple
lasers operating at different wavelengths, such as red, green, and blue, are
used to record the complex amplitude of the object in digital holography,
and multiple reconstructed monochrome images can be obtained by each wavelength.
Spectral estimation technique is used to estimate the spectral reflectance
distribution of the object from the multiple reconstructed monochrome images.
Through the spectral estimation technique, the spectral reflectance distribution
of object can be obtained. The effectiveness of the proposed method was confirmed
by a numerical simulation and an experiment.
© 2014 IEEE
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