Polarization imaging of a 3D object by use of digital holography and its application

Takanori Nomura; Bahram Javidi

doi:10.1117/12.852532

14 May 2010 Polarization imaging of a 3D object by use of digital holography and its application

Takanori Nomura, Bahram Javidi

Proceedings Volume 7690, Three-Dimensional Imaging, Visualization, and Display 2010 and Display Technologies and Applications for Defense, Security, and Avionics IV; 76900A (2010) https://doi.org/10.1117/12.852532
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

A polarimetric imaging method of a 3D object by use of on-axis phase-shifting digital holography is presented. The polarimetric image results from a combination of two kinds of holographic imaging using orthogonal polarized reference waves. Experimental demonstration of a 3D polarimetric imaging is presented. Pattern recognition by use of polarimetric phase-shifting digital holography is also presented. Using holography, the amplitude and phase difference distributions between two orthogonal polarizations of 3D phase objects are obtained. This information contains both complex amplitude and polarimetric characteristics of the object, and it can be used for improving the discrimination capability of object recognition. Preliminary experimental results are presented to demonstrate the idea.

Citation Download Citation

Takanori Nomura and Bahram Javidi "Polarization imaging of a 3D object by use of digital holography and its application", Proc. SPIE 7690, Three-Dimensional Imaging, Visualization, and Display 2010 and Display Technologies and Applications for Defense, Security, and Avionics IV, 76900A (14 May 2010); https://doi.org/10.1117/12.852532

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KEYWORDS

Polarimetry

Digital holography

Polarization

3D image processing

Pattern recognition

Stereoscopy

Polarizers

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