Results 121 to 130 of about 3,425 (175)

Strategies for reducing speckle noise in digital holography. [PDF]

Light Sci Appl, 2018
Bianco V, Memmolo P, Leo M, Montresor S, Distante C, Paturzo M, Picart P, Javidi B, Ferraro P.   +8 more
europepmc   +1 more source

Digital holography and its multidimensional imaging applications: a review. [PDF]

Microscopy (Oxf), 2018
Tahara T, Quan X, Otani R, Takaki Y, Matoba O.   +4 more
europepmc   +1 more source

Bimodal Incoherent Digital Holography for Both Three-Dimensional Imaging and Quasi-Infinite-Depth-of-Field Imaging. [PDF]

Sci Rep, 2019
Nobukawa T, Katano Y, Muroi T, Kinoshita N, Ishii N.   +4 more
europepmc   +1 more source

Automated HER2 Scoring with Uncertainty Quantification Using Lensfree Holography and Deep Learning. [PDF]

BME Front
Shen CY, Yang X, Li Y, Lenk L, Ji Z, Ozcan A.   +5 more
europepmc   +1 more source

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Time-averaged digital holography

Optics Letters, 2003
We demonstrate that it is possible to study the modal structures of a vibrating object with digitally recorded holograms by use of the time-averaging principle. We investigate the numerical reconstruction from a theoretical point of view, and we show that the numerically reconstructed object from a digital hologram is modulated by the zeroth-order ...
Pascal Picart, Denis Mounier, Julien Leval   +2 more
exaly   +3 more sources

Subtraction digital holography

Applied Optics, 2003
Overlapping of the desired (first-order) and undesired (zero-order) terms originating from the recorded primary-fringe patterns in digital holography is a problem without a real-time solution. We propose a procedure for suppressing the zero-order disturbance that is realizable in real time.
Demoli, Nazif, Meštrović, Jurica, Sović, Ivica   +2 more
openaire   +3 more sources

Comparative digital holography

Optics Letters, 2002
We described a method for direct holographic comparison of the shape or the deformation of two objects when it is not necessary that both samples be located at the same place. In contrast to the well-known incoherent techniques based on inverse fringe projection, this new approach uses a coherent mask that is imaged onto a sample object that has a ...
Wolfgang, Osten, Torsten, Baumbach, Werner, Jüptner   +2 more
openaire   +2 more sources

Digital holography for NDT

2015 IEEE 13th International Conference on Industrial Informatics (INDIN), 2015
Holographic interferometry as a means for nondestructive testing of technical or biological components has got significant momentum by the introduction of digital holography. In this paper after an introduction to holography, holographic interferometry and digital holography practical examples from deformation analysis, form determination, refractive ...
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Digital Holography for Security Applications

2012
A survey of Digital Holography (DH) and its employment in different application fields is provided. This paper reviews the main principles of the DH focusing on the optical techniques for security purposes. Recording and processing of three dimensional data, secured storage data, the use of Multimedia Sensor Network (MSN) for encrypted data ...
Pellegrini, RM, Persia, S, BETTI, SILVELLO   +2 more
openaire   +3 more sources