Method for Assessing the Fidelity of Optical Diffraction Tomography Reconstruction Methods
, 2019 We use a spatial light modulator in a diffraction tomographic system to assess the accuracy of different refractive index reconstruction algorithms. Optical phase conjugation principles through complex media, allows us to quantify the error for different
Ayoub, Ahmed B. +4 more
core +1 more source
Cluster Correction for Cluster Analysis-Based Multibaseline InSAR Phase Unwrapping
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 In recent years, multibaseline phase unwrapping (MBPU) has been widely studied, but it is still suffering from the problem of low noise robustness.
Zhihui Yuan +5 more
doaj +1 more source
Real-time phasefront detector for heterodyne interferometers
, 2007 We present a real-time differential phasefront detector sensitive to better than 3 mrad rms, which corresponds to a precision of about 500 pm. This detector performs a spatially resolving measurement of the phasefront of a heterodyne interferometer, with
Cervantes, Felipe Guzmán +6 more
core +1 more source
A U-Net Approach for InSAR Phase Unwrapping and Denoising
Remote Sensing, 2023 The interferometric synthetic aperture radar (InSAR) imaging technique computes relative distances or surface maps by measuring the absolute phase differences of returned radar signals.
Sachin Vijay Kumar +4 more
doaj +1 more source
Phase Unwrapping Citra Insar Menggunakan Pendekatan Minimisasi Energi Lokal [PDF]
, 2008 Phase Unwrapping InSAR Image Using Local Energy Minimization Approach. Reconstruction process of phasedata from its cover is called Phase Unwrapping (PU).
Adi, K. (Kusworo) +3 more
core
Bispectrum Inversion with Application to Multireference Alignment
, 2017 We consider the problem of estimating a signal from noisy circularly-translated versions of itself, called multireference alignment (MRA). One natural approach to MRA could be to estimate the shifts of the observations first, and infer the signal by ...
Bendory, Tamir +4 more
core +1 more source
Maskless imaging of dense samples using pixel super-resolution based multi-height lensfree on-chip microscopy. [PDF]
, 2012 Lensfree in-line holographic microscopy offers sub-micron resolution over a large field-of-view (e.g., ~24 mm2) with a cost-effective and compact design suitable for field use. However, it is limited to relatively low-density samples.
Greenbaum, Alon, Ozcan, Aydogan
core +1 more source
Magnetic Resonance in Medicine, EarlyView.ABSTRACT Purpose To develop a generative diffusion model‐based approach for robust and efficient quantitative susceptibility mapping (QSM) reconstruction in intracranial hemorrhage (ICH), applicable to both standard gradient echo (GRE) and rapid echo planar imaging (EPI) acquisitions.
Zhuang Xiong +6 more
wiley +1 more source
Calibrating a high-resolution wavefront corrector with a static focal-plane camera
, 2013 We present a method to calibrate a high-resolution wavefront-correcting device with a single, static camera, located in the focal plane; no moving of any component is needed.
Codona, Johanan +5 more
core +2 more sources
Error-rate floors in differential n-level phase-shift-keying coherent receivers employing electronic dispersion equalisation [PDF]
, 2011 A model for the phase noise influence in differential n-level phase shift keying (nPSK) systems and 2n-level quadrature amplitude modulated (2nQAM) systems employing electronic dispersion equalization and quadruple carrier phase extraction is presented ...
Friberg, Ari T. +5 more
core +1 more source