Results 251 to 260 of about 22,663 (297)

Progressive dual-branch adversarial diffusion for sparse-view photoacoustic tomography reconstruction. [PDF]

Photoacoustics
Li X, Peng J, Zhang Y, Zhang S, Huang L, Wang Y.   +5 more
europepmc   +1 more source

Radioluminescence 3D dose reconstruction for FLASH and conventional radiotherapy. [PDF]

Sci Rep
Pizzardi S, Alborghetti L, Vurro F, Perna L, Broggi S, Di Martino F, Masturzo L, Cavalieri A, Fiorino C, Spinelli AE.   +9 more
europepmc   +1 more source

HoToPy: a toolbox for X-ray holo-tomography in Python. [PDF]

J Synchrotron Radiat
Lucht J, Meyer P, Lohse LM, Salditt T.
europepmc   +1 more source

A Framework for Guiding DDPM-Based Reconstruction of Damaged CT Projections Using Traditional Methods. [PDF]

J Imaging Inform Med
Zhang Z, Yang Y, Yang M, Guo H, Yang J, Shen X, Wang J.   +6 more
europepmc   +1 more source

Sub-second volumetric 3D printing by synthesis of holographic light fields. [PDF]

Nature
Wang X, Ma Y, Niu Y, Xiong B, Zhang A, Zhang G, Chen Y, Wei W, Fang L, Wu J, Dai Q.   +10 more
europepmc   +1 more source

Iterative projection algorithms for ab initio phasing in virus crystallography

Journal of Structural Biology, 2016
Iterative projection algorithms are proposed as a tool for ab initio phasing in virus crystallography. The good global convergence properties of these algorithms, coupled with the spherical shape and high structural redundancy of icosahedral viruses, allows high resolution phases to be determined with no initial phase information.
Richard L Kingston, Rick P Millane
exaly   +4 more sources

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Iterative projection algorithms in protein crystallography. II. Application

Acta Crystallographica Section A: Foundations and Advances, 2015
Iterative projection algorithms (IPAs) are a promising tool for protein crystallographic phase determination. Although related to traditional density-modification algorithms, IPAs have better convergence properties, and, as a result, can effectively overcome the phase problem given modest levels of structural redundancy. This is illustrated by applying
Richard L Kingston, Rick P Millane, Millane R P   +2 more
exaly   +3 more sources

Characteristics of iterative projection algorithms

Proceedings of SPIE, 2012
A brief description of various iterative projection algorithms and the relationships between them is given, along with some possible reasons for their ability to solve non-convex problems. An empirical model of their behaviour when applied to non-convex problems is also described.
Rick P Millane
exaly   +2 more sources

Iterative projection algorithms in protein crystallography. I. Theory

Acta Crystallographica Section A: Foundations and Advances, 2013
A general class of iterative projection algorithms is described and proposed as a tool for phasing in protein crystallography in order to improve the radius of convergence over that of conventional density-modification algorithms. Their relationship to conventional density modification is described.
Rick P Millane, Millane R P
exaly   +2 more sources

Iterative projection algorithms and applications in x-ray crystallography [PDF]

, 2011
X-ray crystallography is a technique for determining the structure (positions of atoms in space) of molecules. It is a well developed technique, and is applied routinely to both small inorganic and large organic molecules. However, the determination of the structures of large biological molecules by x-ray crystallography can still be an experimentally ...
Lo, Victor Lai-Xin
openaire   +3 more sources