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Quantitative imaging using ultrasonic tomography based on full waveform inversion
Published 2018“…In this thesis, a quantitative ultrasonic imaging approach based on full waveform inversion (FWI) is developed for accurate reconstructions of physical properties in isotropic structures. …”
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Thesis -
2
Non-invasive diagnosis of lung cancer based on CFD modeling and fractal analysis
Published 2024“…Conventionally, lung cancer diagnostic approaches are costly, and they increase the health risks caused by invasiveness and radiation hazards. In this work, a new diagnostic technique using aerosol fingerprints in the breath test is explored based on computational fluid dynamics (CFD) modeling and fractal analysis. …”
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Journal Article -
3
Logarithmic laplacian prior based bayesian inverse synthetic aperture radar imaging
Published 2018“…This paper presents a novel Inverse Synthetic Aperture Radar Imaging (ISAR) algorithm based on a new sparse prior, known as the logarithmic Laplacian prior. …”
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Journal Article -
4
A compact water window X-ray source based on inverse Compton scattering
Published 2024“…We present start-to-end simulations in RF-Track of a water window X-ray source based on inverse Compton scattering. A brazing-free electron gun with a maximum beam energy of 7 MeV is considered, providing photon energies covering the full water window range. …”
Conference item -
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Compact x-ray source based on burst-mode inverse Compton scattering at 100 kHz
Published 2014“…A design for a compact x-ray light source (CXLS) with flux and brilliance orders of magnitude beyond existing laboratory scale sources is presented. The source is based on inverse Compton scattering of a high brightness electron bunch on a picosecond laser pulse. …”
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Article -
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Caustic object construction based on multiple caustic patterns
Published 2016“…Inverse caustic problem, that is computing the geometry of a reflector and/or refractor based on a given caustic pattern, is currently not widely studied. …”
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Journal Article -
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Inverse Modelling of Incompressible Gas Flow in Subspace
Published 2016“…Next, frequency components from EMD are adopted as candidate vectors for bases of modal reduction. The prerequisite parameters of the Navier–Stokes equations are then optimized to inversely model the physically realistic flow in the frequency-constrained subspace. …”
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Journal Article -
10
The effect of temperature on permittivity measurements of aqueous solutions of glucose for the development of non-invasive glucose sensors based on electromagnetic waves
Published 2023“…The permittivity is a parameter that is investigated by researchers as a biomarker for non-invasive measurement of glucose without drawing blood. …”
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Article -
11
States of insecurity: recalibrations after the Russian invasion of Ukraine
Published 2023“…Three senses of insecurity have developed since the 2022 Russian invasion of Ukraine: The assault on democracy, the global imbalance of power, and the disregard for the international rules-based system. …”
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Commentary -
12
Complexity analysis of accelerated MCMC methods for Bayesian inversion
Published 2014“…The Bayesian approach to inverse problems, in which the posterior probability distribution on an unknown field is sampled for the purposes of computing posterior expectations of quantities of interest, is starting to become computationally feasible for partial differential equation (PDE) inverse problems. …”
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Journal Article -
13
Design implementation low energy fast fourier transform/inverse fast fourier transform (FFT/IFFT) processor based on asynchronous-logic
Published 2008“…The novel microcells and macrocells include a Latch Adder, a Latch Accumulator, a Type-gamma 2-bit carry completion sensing adder, a latch controller, a 16?16-bit Booth array-based multiplier core, a 16?16-bit ‘Control-Multiplier’, and a 128?…”
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Thesis -
14
A modified Prandtl-Ishlinskii hysteresis model for modeling and compensating asymmetric hysteresis of piezo-actuated flexure-based systems
Published 2023“…This paper presents a new approach using two sets of operators with a distributed compensator to model and compensate for the asymmetric system hysteresis based on inversion calculation with a simplified digitized representation. …”
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Journal Article -
15
Clinical Validation of Non-invasive Simulation-Based Determination of Vascular Impedance, Wave Intensity, and Hydraulic Work in Patients Undergoing Transcatheter Aortic Valve Replacement
Published 2024“…Simulation-based impedance was compared to impedance calculated from echocardiographic flow data and pressure data from a non-invasive central pressure measurement device. …”
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Article -
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Non-contact laser-ultrasonic subsurface thermography using waveform inversion
Published 2022“…The subsurface thermography based on the full-waveform inversion method is therefore proposed. …”
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Thesis-Doctor of Philosophy -
17
MARS inverse analysis of soil and wall properties for braced excavations in clays
Published 2019“…This paper firstly presents the results of extensive plane strain finite element analyses of braced diaphragm walls to examine the influence of various parameters such as the excavation geometry, soil properties and wall stiffness on the wall deflections. Based on these results, a multivariate adaptive regression splines (MARS) model was developed for inverse parameter identification of the soil relative stiffness ratio. …”
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Journal Article -
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A robotic/mechatronic mammotome system for minimally invasive breast cancer surgery
Published 2008“…This report describes the details of work done based on the novel objective of developing a minimally invasive surgical alternative for breast cancer treatment. …”
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Thesis -
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TiO2 inverse opals by atomic layer deposition for solar cell
Published 2010“…The deposition technique used for the inverse opal fabrication and the study of deposition kinetics would be ALD. …”
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Final Year Project (FYP)