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Ashish Avachat
Ashish Avachat
Research Assistant Professor, University of Pittsburgh
Verified email at pitt.edu
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Cited by
Cited by
Year
A comparative study of machine learning methods for automated identification of radioisotopes using NaI gamma-ray spectra
SM Galib, PK Bhowmik, AV Avachat, HK Lee
Nuclear Engineering and Technology 53 (12), 4072-4079, 2021
302021
Design and development of a neutron/X-ray combined computed tomography system at Missouri S&T
V Sinha, AV Avachat, HK Lee
Journal of Radioanalytical and Nuclear Chemistry 296, 799-806, 2013
192013
A source biasing and variance reduction technique for Monte Carlo radiation transport modeling of emission tomography problems
S Kilby, Z Jin, A Avachat, B Kanies, N Woolstenhulme, HK Lee, J Graham
Journal of Radioanalytical and Nuclear Chemistry 320, 37-45, 2019
102019
Looking Inside a Prototype Compact X-Ray Tube Comprising CNT-Based Cold Cathode and Transmission-Type Anode
AV Avachat, WW Tucker, CHC Giraldo, D Pommerenke, HK Lee
Radiation research 193 (5), 497-504, 2020
72020
Construction of a ultrananocrystalline diamond-based cold cathode arrays for a flat-panel x-ray source
EJ Grant, CM Posada, R Divan, AV Sumant, D Rosenmann, L Stan, ...
Detection and Sensing of Mines, Explosive Objects, and Obscured Targets …, 2013
62013
Particle-in-cell simulations of electron focusing for a compact X-ray tube comprising cnt-based electron source and transmission type anode
AV Avachat, WW Tucker, CHC Giraldo, HK Lee
IEEE Transactions on Electron Devices 66 (3), 1525-1532, 2019
52019
Multi-modal tomographic imaging system for poolside characterization of nuclear test fuels: Design considerations and studies
S Kilby, J Fletcher, A Avachat, Z Jin, D Imholte, N Woolstenhulme, HK Lee, ...
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2023
32023
Accelerated radiation transport modeling techniques for pencil beam computed tomography using gamma rays
Z Jin, S Kilby, A Avachat, B Kanies, N Woolstenhulme, HK Lee, J Graham
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2022
32022
Wavelet based contrast limited histogram equalization for contrast enhancement of digital mammography
AV Avachat
Missouri University of Science and Technology, 2012
32012
Investigating the robustness of a deep learning-based method for quantitative phase retrieval from propagation-based x-ray phase contrast measurements under laboratory conditions
R Deshpande, A Avachat, FJ Brooks, MA Anastasio
Physics in Medicine & Biology 68 (8), 085005, 2023
22023
Positron annihilation lifetime spectroscopy of adipose, hepatic, and muscle tissues
AV Avachat, AG Leja, KH Mahmoud, MA Anastasio, M Sivaguru, ...
22022
Comparison of a semi-analytic variance reduction technique to classical Monte Carlo variance reduction techniques for high aspect ratio pencil beam collimators for emission …
S Kilby, J Fletcher, Z Jin, A Avachat, D Imholte, N Woolstenhulme, HK Lee, ...
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2021
12021
Design and development of a compact x-ray tube for stationary CT architecture
AV Avachat
Missouri University of Science and Technology, 2018
12018
Simulation study of electron beam optics for a distributed X-ray source toward stationary CT architecture
J Fox, HK Lee, AB Alajo, A Avachat
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2024
2024
Positron Annihilation Lifetime Spectroscopy and GEANT4 Simulation of Positronium (Ps) Lifetime in Soft Tissues
K Mahmoud, A Avachat, M Fang, A Di Fulvio
2023 IEEE Nuclear Science Symposium, Medical Imaging Conference and …, 2023
2023
Thermal analysis and electron beam optics for a rotating cylindrical anode based distributed x-ray source
AV Avachat, J Fox, W Tucker, HK Lee
Medical Imaging 2023: Physics of Medical Imaging 12463, 124633T, 2023
2023
Assessing the applicability of a learning-based method for quantitative phase retrieval from propagation-based x-ray phase contrast images under benchtop conditions
R Deshpande, A Avachat, FJ Brooks, MA Anastasio
Medical Imaging 2023: Physics of Medical Imaging 12463, 124632T, 2023
2023
Thermal analysis and electron beam optics for a rotating cylindrical anode based distributed X-ray source
J Fox, W Tucker, A Avachat, HK Lee
2023
Investigating the robustness of a learning-based method for quantitative phase retrieval from propagation-based x-ray phase contrast measurements under laboratory conditions
R Deshpande, A Avachat, FJ Brooks, MA Anastasio
arXiv preprint arXiv:2211.01372, 2022
2022
Fluid-cooled compact x-ray tube and system including the same
HK Lee, VA Avachat, WW Tucker
US Patent App. 17/274,674, 2021
2021
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