Results 11 to 20 of about 571,490 (277)
Large-scale phase retrieval [PDF]
Gabriel Popescu
doaj +2 more sources
Phase Retrieval Based on Shaped Incoherent Sources. [PDF]
Chen Z, Cheng J, Wu H.
europepmc +3 more sources
The problem of phase retrieval underlies various imaging methods from astronomy to nanoscale imaging. Traditional phase retrieval methods are iterative and are therefore computationally expensive.
Yudong Yao +5 more
doaj +1 more source
High-resolution wind vector is important to investigate local winds’ variability over the global ocean. Quad-polarization Synthetic Aperture Radar (SAR) can provide wind vector independently without any external wind direction inputs.
Xiaochen Wang +5 more
doaj +1 more source
Reconstruction of Isolated Moving Objects by Motion-Induced Phase Shift Based on PSP
The reconstruction of moving objects based on phase shifting profilometry has attracted intensive interests. Most of the methods introduce the phase shift by projecting multiple fringe patterns, which is undesirable in moving object reconstruction as the
Ke Wu, Min Li, Lei Lu, Jiangtao Xi
doaj +1 more source
On stability of generalized phase retrieval and generalized affine phase retrieval
In this paper, we consider the stability of intensity measurement mappings corresponding to generalized phase retrieval and generalized affine phase retrieval in the real case. First, we show the bi-Lipschitz property on measurements of noiseless signals.
Zhitao Zhuang
doaj +1 more source
Norm Retrieval and Phase Retrieval by Projections
We make a detailed study of norm retrieval. We give several classification theorems for norm retrieval and give a large number of examples to go with the theory.
Peter G. Casazza +3 more
doaj +1 more source
Solving multiple windowed STFT phase retrieval problems in phase and amplitude respectively
We study the Phase Retrieval (PR) problem under the phaseless short-time Fourier transform (STFT) measurements. This paper proposes a novel algorithm named PAR to solve the STFT PR problem in phase and amplitude respectively with a milder retrieval ...
Xianchen Zhou, Hongxia Wang
doaj +1 more source
Phase retrieval from very few measurements [PDF]
In many applications, signals are measured according to a linear process, but the phases of these measurements are often unreliable or not available. To reconstruct the signal, one must perform a process known as phase retrieval.
Fickus, Matthew +3 more
core +1 more source
Revising the lower statistical limit of x-ray grating-based phase-contrast computed tomography.
Phase-contrast x-ray computed tomography (PCCT) is currently investigated as an interesting extension of conventional CT, providing high soft-tissue contrast even if examining weakly absorbing specimen.
Mathias Marschner +6 more
doaj +1 more source

