User profiles for Andriy Andreyev
Andriy AndreyevCarl Zeiss X-Ray Microscopy Verified email at zeiss.com Cited by 619 |
Fast image reconstruction for Compton camera using stochastic origin ensemble approach
Purpose: Compton camera has been proposed as a potential imaging tool in astronomy,
industry, homeland security, and medical diagnostics. Due to the inherent geometrical …
industry, homeland security, and medical diagnostics. Due to the inherent geometrical …
Dual-radioisotope PET data acquisition and analysis
This study experimentally evaluates a novel approach for dual radioisotope PET imaging.
The method relies on one radioisotope being a pure positron emitter and the other …
The method relies on one radioisotope being a pure positron emitter and the other …
Resolution recovery for Compton camera using origin ensemble algorithm
Purpose: Compton cameras (CCs) use electronic collimation to reconstruct the images of
activity distribution. Although this approach can greatly improve imaging efficiency, due to …
activity distribution. Although this approach can greatly improve imaging efficiency, due to …
Accelerate your 3D X-ray failure analysis by deep learning high resolution reconstruction
A Gu, A Andreyev, M Terada, B Zee… - ISTFA …, 2021 - dl.asminternational.org
3D X-ray tomography plays a critical role in electronic device failure analysis, but it can take
several hours to overnight to get sufficient resolution in fault regions to detect and identify …
several hours to overnight to get sufficient resolution in fault regions to detect and identify …
Pinhole SPECT reconstruction using blobs and resolution recovery
A Andreyev, M Defrise… - IEEE transactions on …, 2006 - ieeexplore.ieee.org
We study the performance of an iterative reconstruction algorithm for single pinhole SPECT,
in which the correction for pinhole blurring is realized by averaging multiple projection rays …
in which the correction for pinhole blurring is realized by averaging multiple projection rays …
Reconstructed image spatial resolution of multiple coincidences Compton imager
We study the multiple coincidences Compton imager (MCCI) which is based on a
simultaneous acquisition of several photons emitted in cascade from a single nuclear decay. …
simultaneous acquisition of several photons emitted in cascade from a single nuclear decay. …
Resolution recovery in pinhole SPECT based on multi-ray projections: a phantom study
Purpose Low sensitivity can become a major problem when very small pinholes are used in
SPECT imaging. Although a larger pinhole aperture will improve the sensitivity, this will be …
SPECT imaging. Although a larger pinhole aperture will improve the sensitivity, this will be …
[PDF][PDF] Improving throughput and image quality of high-resolution 3D X-ray microscopes using deep learning reconstruction techniques
…, MN Rad, M Andrew, A Andreyev… - 11th Conference on …, 2022 - ndt.net
In high-resolution X-ray computed tomography (CT), also known as 3D X-ray microscopy (XRM),
low photon counts can lead to extremely long data acquisition times (in the order of …
low photon counts can lead to extremely long data acquisition times (in the order of …
Stochastic image reconstruction method for Compton camera
Compton camera has been proposed as an imaging tool in astronomy, industry, homeland
security and medical imaging where source location can be identified based on detection of …
security and medical imaging where source location can be identified based on detection of …
[PDF][PDF] Improving scan time and image quality in 3D X-ray microscopy by deep learning reconstruction techniques
Applications of 3D X-ray imaging techniques have expanded from their initial and most
popular field of application, medical diagnostics, to industrial measurements [1]. Recent …
popular field of application, medical diagnostics, to industrial measurements [1]. Recent …