Direct phase retrieval for simultaneous dual-wavelength off-axis digital holography
Sign Up to like & getrecommendations! Published in 2019 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2019.04.013
Abstract: Abstract We present an efficient approach for fast phase reconstruction in simultaneous dual-wavelength off-axis digital holography. We demonstrate that one can directly extract the quantitative unwrapped phase information through only one application of Fourier-based operations… read more here.
Keywords: dual wavelength; simultaneous dual; axis digital; wavelength ... See more keywords
Wavelet compression of off-axis digital holograms using real/imaginary and amplitude/phase parts
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-44119-0
Abstract: Compression of digital holograms allows one to store, transmit, and reconstruct large sets of holographic data. There are many digital image compression methods, and usually wavelets are used for this task. However, many significant specialties… read more here.
Keywords: compression; axis digital; digital holograms; wavelet compression ... See more keywords
Phase Retrieval of On-Axis Digital Holography With Modified Coherent Diffraction Imaging
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2020.3035805
Abstract: In this paper, a phase retrieval method is proposed to reconstruct the high-quality image free from undesired terms in on-axis digital holography (DH) with modified coherent diffraction imaging (MCDI). A random phase plate (RPP) is… read more here.
Keywords: holography modified; digital holography; phase retrieval; axis digital ... See more keywords
Noise and bias in off-axis digital holography for measurements in acoustic waveguides.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.404301
Abstract: This paper discusses noise and bias in the method of holographic interferometry applied to the study of acoustics phenomena. The influence of noise on the measurement of acoustic pressure is described by an analytical approach.… read more here.
Keywords: noise bias; digital holography; axis digital; bias axis ... See more keywords
Quality of reconstruction of compressed off-axis digital holograms by frequency filtering and wavelets.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.000a55
Abstract: Compression of digital holograms can significantly help with the storage of objects and data in 2D and 3D form, its transmission, and its reconstruction. Compression of standard images by methods based on wavelets allows high… read more here.
Keywords: reconstruction; compression; axis digital; digital holograms ... See more keywords