Results 181 to 190 of about 3,360 (241)

Detection of Metal Impurity Particles in Lead-Acid Battery Electrolyte Based on Lens-Free Digital Holography Technology. [PDF]

Adv Sci (Weinh)
Xue L, Zhou H, Chen H, Jiang Z, Jiang C, Cui H.   +5 more
europepmc   +1 more source

Innovative Integration of 4D Cardiovascular Reconstruction and Hologram: Framework Development of a New Visualization Tool for Coronary Artery Bypass Grafting Planning. [PDF]

JMIR Med Inform
Wang S, Ren T, Cheng N, Zhang L, Wang R.
europepmc   +1 more source

OpenLM: an open-source pixel super-resolution platform for lens-free microscopy with applications in bacterial growth monitoring and deep learning-based bacterial detection.

Lab Chip
Xu W, Ahmed S, Althumayri M, Tarman AY, Ulku MK, Yong K, Veli M, Ceylan Koydemir H.   +7 more
europepmc   +1 more source

Initial Experience with Three-Dimensional Holographic Virtual Bronchoscopy Using Mixed Reality for Peripheral Pulmonary Lesions: A Retrospective Feasibility Study.

Respiration
Ina T, Okachi S, Kamenosono S, Hasegawa S, Horiguchi T, Goto Y, Hashimoto N, Hida Y, Sugimoto M, Fujiwara M, Imaizumi K.   +10 more
europepmc   +1 more source

Inverse problem approaches for digital hologram reconstruction

SPIE Proceedings, 2011
Digital holography (DH) is being increasingly used for its time-resolved three-dimensional (3-D) imaging capabilities. A 3-D volume can be numerically reconstructed from a single 2-D hologram. Applications of DH range from experimental mechanics, biology, and fluid dynamics.
Fournier, Corinne, Denis, Loïc, Thiébaut, Éric, Fournel, Thierry, Seifi, Mozhdeh   +4 more
openaire   +3 more sources

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Digital recording and reconstruction of holograms in hologram interferometry and shearography

Applied Optics, 1994
The fundamentals of digital recording and mathematical reconstruction of Fresnel holograms are described. The object is recorded in two different states, and the holograms are stored electronically with a charge-coupled-device detector. In the process of reconstruction the digitally sampled holograms are applied to the different coherent optical ...
U, Schnars, W P, Jüptner
openaire   +2 more sources

Computational Reconstruction of Images from Holograms

Applied Optics, 2002
The equations to reconstruct an image plane from a hologram are developed. This development is carried out for planes parallel to the hologram, which allows fast computation through the use of fast Fourier transforms. Algorithms for a digital computer are developed so images can be reconstructed, both with and without the Fresnel approximation, from a ...
Jerome H, Milgram, Weichang, Li
openaire   +2 more sources

Reflection hologram for reconstructing deep images

Optics Letters, 1997
A method to record deep and blurless images as a reflection hologram is proposed. A slit was used in the recording process in the same manner as for a rainbow hologram. The reconstructed image was monocolor and could be observed from wide longitudinal angles when it was illuminated by an extended white-light source such as a fluorescent lamp.
Y, Taketomi, T, Kubota
openaire   +2 more sources

Using Commodity Graphics Hardware for Real-Time Digital Hologram View-Reconstruction [PDF]

Journal of Display Technology, 2009
View-reconstruction and display is an important part of many applications in digital holography such as computer vision and microscopy. Thus far, this has been an offline procedure for megapixel sized holograms. This paper introduces an implementation of
Andrew J Page, Bryan M Hennelly, John Mcdonald   +2 more
exaly   +1 more source