219 citations · 1.5k across the 41 of their papers we have counts for
32 papers · 1 filter
Evaluation of Single-Chip, Real-Time Tomographic Data Processing on FPGA - SoC Devices
G. Korcyl, P. Białas, C. Curceanu +36
A novel approach to tomographic data processing has been developed and evaluated using the Jagiellonian PET (J-PET) scanner as an example. We propose a system in which there is no…
Commissioning of the J-PET detector for studies of decays of positronium atoms
E. Czerwiński, K. Dulski, P. Białas +29
The Jagiellonian Positron Emission Tomograph (J-PET) is a detector for medical imaging of the whole human body as well as for physics studies involving detection of electron-positr…
J-PET: a new technology for the whole-body PET imaging
S. Niedźwiecki, P. Białas, C. Curceanu +30
The Jagiellonian Positron Emission Tomograph (J-PET) is the first PET built from plastic scintillators. J-PET prototype consists of 192 detection modules arranged axially in three…
Three-dimensional image reconstruction in J-PET using Filtered Back Projection method
R. Y. Shopa, K. Klimaszewski, P. Kowalski +30
We present a method and preliminary results of the image reconstruction in the Jagiellonian PET tomograph. Using GATE (Geant4 Application for Tomographic Emission), interactions of…
Development of novel plastic scintillators based on polyvinyltoluene for the hybrid J-PET/MR tomograph
Anna Wieczorek
A novel plastic scintillator, referred to as J-PET scintillator, has been developed for the application in the digital positron emission tomography (PET). The novelty of the concep…
Analysis procedure of the positronium lifetime spectra for the J-PET detector
K. Dulski, B. Zgardzinska, P. Bialas +30
Positron Annihilation Lifetime Spectroscopy (PALS) has shown to be a powerful tool to study the nanostructures of porous materials. Positron Emissions Tomography (PET) are devices…
Time calibration of the J-PET detector
M. Skurzok, M. Silarski, D. Alfs +32
The Jagiellonian Positron Emission Tomograph (J-PET) project carried out in the Institute of Physics of the Jagiellonian University is focused on construction and tests of the firs…
Multichannel FPGA based MVT system for high precision time (20~ps~RMS) and charge measurement
M. Pałka, P. Strzempek, G. Korcyl +29
In this article it is presented an FPGA based ulti-oltage hreshold (MVT) system which allows of sampling fast signals ( ns rising and falling edge) in both voltage an…
Calculation of time resolution of the J-PET tomograph using the Kernel Density Estimation
L. Raczyński, W. Wiślicki, W. Krzemień +31
In this paper we estimate the time resolution of the J-PET scanner built from plastic scintillators. We incorporate the method of signal processing using the Tikhonov regularizatio…
Measurement of gamma quantum interaction point in plastic scintillator with WLS strips
J. Smyrski, D. Alfs, T. Bednarski +29
We demonstrated the feasibility of measuring the axial coordinate of a gamma quantum interaction point in a plastic scintillator bar via the detection of scintillation photons esca…
A feasibility study of ortho-positronium decays measurement with the J-PET scanner based on plastic scintillators
D. Kamińska, A. Gajos, E. Czerwiński +26
We present a study of the application of the Jagiellonian Positron Emission Tomograph (J-PET) for the registration of gamma quanta from decays of ortho-positronium (o-Ps). The J-PE…
Time resolution of the plastic scintillator strips with matrix photomultiplier readout for J-PET tomograph
P. Moskal, O. Rundel, D. Alfs +27
Recent tests of a single module of the Jagiellonian Positron Emission Tomography system (J-PET) consisting of 30 cm long plastic scintillator strips have proven its applicability f…
Trilateration-based reconstruction of ortho-positronium decays into three photons with the J-PET detector
A. Gajos, D. Kamińska, E. Czerwiński +28
This work reports on a new reconstruction algorithm allowing to reconstruct the decays of ortho-positronium atoms into three photons using the places and times of photons recorded…
Sampling FEE and Trigger-less DAQ for the J-PET Scanner
G. Korcyl, D. Alfs, T. Bednarski +29
In this paper, we present a complete Data Acquisition System (DAQ) together with the readout mechanisms for the J-PET tomography scanner. In general detector readout chain is const…
Beam profile investigation of the new collimator system for the J-PET detector
E. Kubicz, M. Silarski, A. Wieczorek +23
Jagiellonian Positron Emission Tomograph (J-PET) is a multi-purpose detector which will be used for search for discrete symmetries violations in the decays of positronium atoms and…
Overview of the software architecture and data flow for the J-PET tomography device
W. Krzemień, D. Alfs, P. Białas +19
Modern TOF-PET scanner systems require high-speed computing resources for efficient data processing, monitoring and image reconstruction. In this article we present the data flow a…
Searches for discrete symmetries violation in ortho-positronium decay using the J-PET detector
D. Kamińska, T. Bednarski, P. Białas +24
In this paper we present prospects for using the J-PET detector to search for discrete symmetries violations in a purely leptonic system of the positronium atom. We discuss tests o…
Reconstruction of hit-time and hit-position of annihilation quanta in the J-PET detector using the Mahalanobis distance
N. G. Sharma, M. Silarski, T. Bednarski +24
The J-PET detector being developed at Jagiellonian University, is a Positron Emission Tomograph composed of the long strips of polymer scintillators. At the same time it is a detec…
PALS investigations of free volumes thermal expansion of J-PET plastic scintillator synthesized in polystyrene matrix
A. Wieczorek, B. Zgardzińska, B. Jasińska +25
The polystyrene dopped with 2,5-diphenyloxazole as a primary fluor and 2-(4-styrylphenyl)benzoxazole as a wavelength shifter, prepared as a plastic scintillator was investigated us…
Processing optimization with parallel computing for the J-PET tomography scanner
W. Krzemień, M. Bała, T. Bednarski +27
The Jagiellonian-PET (J-PET) collaboration is developing a prototype TOF-PET detector based on long polymer scintillators. This novel approach exploits the excellent time propertie…
Application of the Compress Sensing Theory for Improvement of the TOF Resolution in a Novel J-PET Instrument
L. Raczynski, P. Moskal, P. Kowalski +24
Nowadays, in Positron Emission Tomography (PET) systems, a Time of Flight information is used to improve the image reconstruction process. In Time of Flight PET (TOF-PET), fast det…
Overview of the software architecture and data flow for the J-PET tomography device
W. Krzemien, D. Alfs, P. Bialas +19
Modern TOF-PET scanner systems require high-speed computing resources for efficient data processing, monitoring and image reconstruction. In this article we present the data flow a…
Plastic scintillators for positron emission tomography obtained by the bulk polymerization method
Łukasz Kapłon, Andrzej Kochanowski, Marcin Molenda +24
This paper describes three methods regarding the production of plastic scintillators. One method appears to be suitable for the manufacturing of plastic scintillator, revealing pro…
Multiple scattering and accidental coincidences in the J-PET detector simulated using GATE package
P. Kowalski, P. Moskal, W. Wiślicki +28
Novel Positron Emission Tomography system, based on plastic scintillators, is developed by the J-PET collaboration. In order to optimize geometrical configuration of built device,…