Phase unwrapping
View article: "Human blood red cells phase segmented data and interferogram in wDPM system"
"Human blood red cells phase segmented data and interferogram in wDPM system" Open
"This dataset is for the paper titled: Real-Time Halo-Free Quantitative Phase Imaging via Physics-constrained Self-Supervised Network. The dataset is used to train and test the self-supervised network. "
View article: Hayli Gubbi Volcano, Ethiopia, Pre-Event and Co-Event InSAR Interferograms - November 2025 Eruption.
Hayli Gubbi Volcano, Ethiopia, Pre-Event and Co-Event InSAR Interferograms - November 2025 Eruption. Open
This dataset contains pre-event and co-event Sentinel-1 InSAR interferograms capturing ground deformation associated with the Hayli Gubbi volcano eruption in November 2025 (Ethiopia). The pre-event interferogram shows background and precur…
View article: Hayli Gubbi Volcano, Ethiopia, Pre-Event and Co-Event InSAR Interferograms - November 2025 Eruption.
Hayli Gubbi Volcano, Ethiopia, Pre-Event and Co-Event InSAR Interferograms - November 2025 Eruption. Open
This dataset contains pre-event and co-event Sentinel-1 InSAR interferograms capturing ground deformation associated with the Hayli Gubbi volcano eruption in November 2025 (Ethiopia). The pre-event interfe…
View article: LiCSAR Extra & LiCSBAS
LiCSAR Extra & LiCSBAS Open
LiCSAR Extra: Tools for advanced processing of LiCSAR data (starting from GeoTIFFs).Primarily for unwrapping interferograms (integrated with LiCSBAS), but also used as a repository for experimental functions that require atypical or heavy …
View article: LiCSAR Extra & LiCSBAS
LiCSAR Extra & LiCSBAS Open
LiCSAR Extra: Tools for advanced processing of LiCSAR data (starting from GeoTIFFs).Primarily for unwrapping interferograms (integrated with LiCSBAS), but also used as a repository for experimental functions that require a…
View article: Everything is a 9 Phase DoF Torus (Apple), nonlinearity is just winding.
Everything is a 9 Phase DoF Torus (Apple), nonlinearity is just winding. Open
1. Notation keySets and spaces ℝ – real numbers ℂ – complex numbers ℤ – integers T – 1D circle of phases (angles modulo 2π) T² – 2D torus = T × T (meta-phase space) T⁹ – 9D phase torus (Apple phase space) Hilbert spaces Hₐₚₚₗₑ ≅ ℂ⁹ – “Appl…
View article: Measuring eye vergence angle in extended reality
Measuring eye vergence angle in extended reality Open
Recently, extended reality (XR) displays, including augmented reality (AR) and virtual reality (VR), have integrated eye tracking capabilities, which could enable novel ways of interacting with XR content. In natural settings, eye vergence…
View article: A software-based focus system for wide-field optical microscopy
A software-based focus system for wide-field optical microscopy Open
Long-term time-lapse imaging of biological samples requires correcting for focal drift, which would otherwise gradually push the sample out of focus. We present a software-based method that eliminates this time-dependent blur using only a …
View article: Hierarchical GraphCut Phase Unwrapping based on Invariance of Diffeomorphisms Framework
Hierarchical GraphCut Phase Unwrapping based on Invariance of Diffeomorphisms Framework Open
Recent years have witnessed rapid advancements in 3D scanning technologies, with applications spanning VR/AR, digital human creation, and medical imaging. Structured-light scanning with phase-shifting techniques is preferred for its use of…
View article: Hierarchical GraphCut Phase Unwrapping based on Invariance of Diffeomorphisms Framework
Hierarchical GraphCut Phase Unwrapping based on Invariance of Diffeomorphisms Framework Open
Recent years have witnessed rapid advancements in 3D scanning technologies, with applications spanning VR/AR, digital human creation, and medical imaging. Structured-light scanning with phase-shifting techniques is preferred for its use of…
View article: Precise Localization of High-Voltage Breakdown Events using $ϕ$-Optical Time-Domain Reflectometry on an Optical Ground Wire
Precise Localization of High-Voltage Breakdown Events using $ϕ$-Optical Time-Domain Reflectometry on an Optical Ground Wire Open
We present $ϕ$-OTDR for detecting and localising full spark-gap breakdowns by analysing backscattered light phase and frequency-domain signatures during high-voltage discharges synchronised with oscilloscope-recorded events. Measuring sub-…
View article: Precise Localization of High-Voltage Breakdown Events using $ϕ$-Optical Time-Domain Reflectometry on an Optical Ground Wire
Precise Localization of High-Voltage Breakdown Events using $ϕ$-Optical Time-Domain Reflectometry on an Optical Ground Wire Open
We present $ϕ$-OTDR for detecting and localising full spark-gap breakdowns by analysing backscattered light phase and frequency-domain signatures during high-voltage discharges synchronised with oscilloscope-recorded events. Measuring sub-…
View article: Supplementary figures for "Concept Development of Active Backscattered Fast Neutron Imaging for Planetary Subsurface Studies"
Supplementary figures for "Concept Development of Active Backscattered Fast Neutron Imaging for Planetary Subsurface Studies" Open
Additional supporting figures of the experimental and modelled results and their descriptions for the manuscript "Concept development of an active fast neutron backscatter imaging technique for planetary subsurface studies".
View article: Supplementary figures for "Concept Development of Active Backscattered Fast Neutron Imaging for Planetary Subsurface Studies"
Supplementary figures for "Concept Development of Active Backscattered Fast Neutron Imaging for Planetary Subsurface Studies" Open
Additional supporting figures of the experimental and modelled results and their descriptions for the manuscript "Concept development of an active fast neutron backscatter imaging technique for planetary subsurface studies".
View article: Enabling Super-Resolution Quantitative Phase Imaging via OpenSRQPI—A Standardized Plug-and-Play Open-Source Tool for Digital Holographic Microscopy with Structured and Oblique Illumination
Enabling Super-Resolution Quantitative Phase Imaging via OpenSRQPI—A Standardized Plug-and-Play Open-Source Tool for Digital Holographic Microscopy with Structured and Oblique Illumination Open
Accurate and label-free quantitative phase imaging (QPI) plays a crucial role in advancing diagnostic techniques that streamline histology and diagnostic procedures by minimizing sample preparation time, resources, and requirements. Althou…
View article: Shearographic Anomaly Detection Dataset (SADD)
Shearographic Anomaly Detection Dataset (SADD) Open
This dataset contains shearographic measurement data of simulated kissing bonds in a polymer–rubber adhesive joint. The defects were created by inserting defined discontinuities within the adhesive layer, producing fully detached bonding r…
View article: Shearographic Anomaly Detection Dataset (SADD)
Shearographic Anomaly Detection Dataset (SADD) Open
This dataset contains shearographic measurement data of simulated kissing bonds in a polymer–rubber adhesive joint. The defects were created by inserting defined discontinuities within the adhesive layer, producing fully detached bonding r…
View article: Improved phase retrieval method for system simplification or fading suppression in interferometer-based φOTDR systems
Improved phase retrieval method for system simplification or fading suppression in interferometer-based φOTDR systems Open
View article: Surface figure metrology for reflective membrane mirrors based on phase-measuring deflectometry
Surface figure metrology for reflective membrane mirrors based on phase-measuring deflectometry Open
Reflective membrane mirrors provide a lightweight, low-cost alternative to traditional optics for next-generation large-aperture telescopes, but their non-rigid, thin structure poses challenges for surface metrology. We present a phase-mea…
View article: Surface figure metrology for reflective membrane mirrors based on phase-measuring deflectometry
Surface figure metrology for reflective membrane mirrors based on phase-measuring deflectometry Open
Reflective membrane mirrors provide a lightweight, low-cost alternative to traditional optics for next-generation large-aperture telescopes, but their non-rigid, thin structure poses challenges for surface metrology. We present a phase-mea…
View article: 3Cx3C active seismic dataset in 3D configuration, acquired in Scheemda, Groningen province, the Netherlands
3Cx3C active seismic dataset in 3D configuration, acquired in Scheemda, Groningen province, the Netherlands Open
This dataset contains 3D seismic data with 3-component sesmic sources (vertical forces and two cross-polarized horizontal forces) and 3-component receivers (673x3=2028 receiver channels), acquired in Scheemda, Groningen province, the Nethe…
View article: The SISMIKO Monitoring Network and Insights into the 2024 Seismic Swarms on the Ionian Side of the Calabrian Arc
The SISMIKO Monitoring Network and Insights into the 2024 Seismic Swarms on the Ionian Side of the Calabrian Arc Open
Following the Mw 5.0 earthquake of 1 August 2024, which struck the Ionian sector of north-central Calabria (southern Italy), the SISMIKO emergency group of INGV deployed a temporary seismic network to enhance coverage of the National Seism…
View article: 3Cx3C active seismic dataset in 3D configuration, acquired in Scheemda, Groningen province, the Netherlands
3Cx3C active seismic dataset in 3D configuration, acquired in Scheemda, Groningen province, the Netherlands Open
This dataset contains 3D seismic data with 3-component sesmic sources (vertical forces and two cross-polarized horizontal forces) and 3-component receivers (673x3=2028 receiver channels), acquired in Scheemda, Groningen province, the Nethe…
View article: Impacto de las plataformas educativas digitales en el aprendizaje significativo de estudiantes de CETPROS en Puno, 2025
Impacto de las plataformas educativas digitales en el aprendizaje significativo de estudiantes de CETPROS en Puno, 2025 Open
En la actualidad, las plataformas educativas digitales se han consolidado como herramientas fundamentales en los procesos de enseñanza-aprendizaje, al facilitar la interacción, el acceso a información y la construcción de conocimientos en …
View article: Data from the Dense Seismic Array in Haicheng–Xiuyan Area
Data from the Dense Seismic Array in Haicheng–Xiuyan Area Open
The data include seismic catalog, phase picks and velocity models derived from the dense seismic array in Haicheng–Xiuyan area.
View article: Fast and Robust Simulation of Atmospheric Phase Screen by Zernike Polynomials with Recursive Radial Formulas
Fast and Robust Simulation of Atmospheric Phase Screen by Zernike Polynomials with Recursive Radial Formulas Open
The Zernike polynomial method is extensively used for atmospheric phase screen generation but is limited by insufficient high-frequency components. Calculating higher-order terms introduces challenges in computational efficiency and numeri…
View article: Comprehensive Analysis of Geometric Phase for SU(3) Representations
Comprehensive Analysis of Geometric Phase for SU(3) Representations Open
Geometric Phase in Quantum Mechanics is generally formulated entirely in terms of geometric structure of the Complex Hilbert Space. We will exploit this fact in case of mixed states for three level open systems undergoing depolarization us…
View article: Comprehensive Analysis of Geometric Phase for SU(3) Representations
Comprehensive Analysis of Geometric Phase for SU(3) Representations Open
Geometric Phase in Quantum Mechanics is generally formulated entirely in terms of geometric structure of the Complex Hilbert Space. We will exploit this fact in case of mixed states for three level open systems undergoing depolarization us…
View article: Algorithm to find angles for the construction of optimal phase measurements
Algorithm to find angles for the construction of optimal phase measurements Open
A Python implementation of an explicit algorithm for constructing finite-outcome POVMs from a frequency set K. It finds the minimal integer q_K that does not divide any nonzero difference in $D_K = {|n−m| : n,m ∈ K, n ≠ m}$, builds angles …
View article: Events meet phase-shifting digital holography: Practical acquisition, theory, and algorithms
Events meet phase-shifting digital holography: Practical acquisition, theory, and algorithms Open
We introduce a novel phase-shifting digital holography (PSDH) method leveraging a hybrid event-based vision sensor (EVS). The key idea of our method is the phase shift during a single exposure. The hybrid EVS records a hologram blurred by …