Results 51 to 60 of about 2,539,485 (308)

Digital holography in production: an overview

open access: yesLight: Advanced Manufacturing, 2020
Many challenging measurement tasks in production simultaneously have high requirements for accuracy, measurement field size, lateral sampling, and measurement time.
M. Fratz, T. Seyler, A. Bertz, D. Carl
semanticscholar   +1 more source

Direct to Digital Holography [PDF]

open access: yes, 2002
In this Cooperative Research and Development Agreement (CRADA), Oak Ridge National Laboratory (ORNL) assisted nLine Corporation of Austin, TX in the development of prototype semiconductor wafer inspection tools based on the direct-to-digital holographic (DDH) techniques invented at ORNL.
Bingham, P.R., Tobin, K.W.
openaire   +6 more sources

Compressive Holographic Video [PDF]

open access: yes, 2016
Compressed sensing has been discussed separately in spatial and temporal domains. Compressive holography has been introduced as a method that allows 3D tomographic reconstruction at different depths from a single 2D image.
Chen, Huaijin   +6 more
core   +4 more sources

Multi-Object Deep-Field Digital Holographic Imaging Based on Inverse Cross-Correlation

open access: yesApplied Sciences, 2023
To address the complexity of small or unique reconstruction distances in digital holography, we propose an inverse cross-correlation-based algorithm for the digital holographic imaging of multiplanar objects with a large depth of field. In this method, a
Jieming Zhao   +5 more
doaj   +1 more source

Digital Holographic Imaging the Future of Radiology: A Review Article [PDF]

open access: yesInternational Journal of Biomedicine, 2020
The potential that digital holographic imaging (DHI) holds in the future of radiology in 3D will undoubtedly lead to revolutionizing the guidance of minimally invasive surgical and percutaneous procedures, which are currently being performed using 2D and/
Mustafa Z. Mahmoud   +6 more
doaj   +1 more source

Feed particle size evaluation: conventional approach versus digital holography based image analysis

open access: yesItalian Journal of Animal Science, 2010
The aim of this study was to evaluate the application of image analysis approach based on digital holography in defining particle size in comparison with the sieve shaker method (sieving method) as reference method.
Vittorio Dell’Orto   +7 more
doaj   +1 more source

Light People: Professor Liangcai Cao

open access: yesLight: Science & Applications, 2023
Editorial Holography utilizes the principles of wave interference and diffraction to record and reconstruct images, which can highly restore the three-dimensional features of objects and provide an immersive visual experience.
Tingting Sun
doaj   +1 more source

Resolution and Contrast Enhancement for Lensless Digital Holographic Microscopy and Its Application in Biomedicine

open access: yesPhotonics, 2022
An important imaging technique in biomedicine, the conventional optical microscopy relies on relatively complicated and bulky lens and alignment mechanics.
Duofang Chen   +4 more
doaj   +1 more source

Vibration motions studied by Heterodyne Holography [PDF]

open access: yesDigital Holography and Three-Dimensional Imaging Kohala Coast, Hawaii United States, Kohala Coast, Hawaii : United States (2013), 2013
Playing with amplitude, phase and frequency of both reference and signal arms, heterodyne holography is well adapted to vibration analysis.
arxiv   +1 more source

Imaging of a vibrating object by Sideband Digital Holography [PDF]

open access: yes, 2009
We obtain quantitative measurements of the oscillation amplitude of vibrating objects by using sideband digital holography. The frequency sidebands on the light scattered by the object, shifted by n times the vibration frequency, are selectively detected
Aleksoff   +21 more
core   +4 more sources

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