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 A low cost impelemntation on Xilinx Spartan 3E Starter Kit for data acquisition in Nuclear Medicine  
 Main developer: Eleftherios Fysikopoulos

This application uses Xilinx Spartan 3E Starter Kit board along with Digilent's PmodAD1 Analog to Digital Converter (ADC) for photon detection in Nuclear Imaging. The tool was designed using Xilinx's Embedded Development Kit (EDK) and was based in Xilinx's Microblaze soft-core processor.
The developed software can be downloaded and freely used. A short manual has been written. For more details you can conatct the authors.

                                     Download application                       Download manual                Download related papers

For any additional details or comments send an e-mail to George Loudos or Elefterios Fysikopoulos


QSPECT 3.0: An open-source Linux based software for the iterative reconstruction of SPECT images
Main developer: Nikos Efthimiou

DISCLAIMER: QSPECT 3.0 has been developed for research purposes. It is not intended for clinical use. QSPECT is not a clinically approved medical software, and users understand and accept that the developers have no responsibility if reconstructed data obtained using QSPECT are used for clinical purposes.

                Download entire package

For any additional details or comments send an e-mail to George Loudos or Nikos Eftimiou

QSPECT 2.0: An open-source Linux based software for the iterative reconstruction of SPECT images, including GATE root files
Main developer: Nikos Efthimiou

QSPECT 2.0 is an Image Reconstruction application, which reconstructs images from SPECT data. It includes Maximum Likelihood Expectation Maximization (MLEM) and Ordered Subsets Expectation Maximization (OSEM) as well as a suitable Graphical User Interface (GUI) application. In this new version QSPECT runs on linux and can import directly ROOT files from GATE simulations, create projection files and sinograms. In addition, QSPECT 2.0 is able to store and visualize reconstructed images, by offering more tools compared to QSPECT 1.0.

The developed software can be downloaded and freely used. A setup program has been constructed and a manual has been written and is updated. In addition the code of the program is available, thus potential developers can change/improve it.

DISCLAIMER: QSPECT 2.0 has been developed for research purposes. It is not intended for clinical use. QSPECT is not a clinically approved medical software, and users understand and accept that the developers have no responsibility if reconstructed data obtained using QSPECT are used for clinical purposes.

                Download entire package

For any additional details or comments send an e-mail to George Loudos or Nikos Eftimiou


QSPECT 1.0: An open-source software for the iterative reconstruction of SPECT images
Main developer: Panteleimon Zotos

QSPECT 1.0 is an Image Reconstruction application, which reconstructs images from SPECT data. We have implemented Maximum Likelihood Expectation Maximization (MLEM) and Ordered Subsets Expectation Maximization (OSEM) and we have built a suitable Graphical User Interface (GUI) application. In addition, QSPECT 1.0 is able to store and visualize reconstructed images. MLEM and OSEM algorithms are implemented in C++. We have used the C++ toolkit Qt for the GUI development, which is the standard framework for developing high-performance cross-platform applications.
The developed software can be downloaded and freely used. A setup program has been constructed and a user friendly manual has been written. In addition the code of the program is available, thus potential developers can change/improve it. According to our knowledge, this is the first open-source iterative reconstruction software for SPECT.

DISCLAIMER: QSPECT 1.0 has been developed for research purposes. It is not intended for clinical use. QSPECT is not a clinically approved medical software, and users understand and accept that the developers have no responsibility if reconstructed data obtained using QSPECT are used for clinical purposes.

                Download application                         Download source code                   Download manual   

For any additional details or comments send an e-mail to George Loudos


MyGrid: A software that manually draws grid in pixelized scintillators
Main developer: Maria Georgiou

MyGrid is a software for manual construction of the LUT table in pixelized scintillators, which are commonly used in Position Sensitive Photomultiplier Tubes. The program is implemented in Matlab. A raw image in txt format is the main input of the software.
The developed software can be downloaded and freely used. A setup program has been constructed and a user friendly manual has been written. In addition the code of the program is available, thus potential developers can change/improve it.

                               Setup program                      Download manual      

For any additional details or comments send an e-mail to George Loudos or Maria Georgiou