activity
20212025
most citedA novel shape-based loss function for machine learning-based seminal organ segmentation in medical imaging

20 citations · 44 across the 9 of their papers we have counts for

collaborators

10 papers

physics.ins-det2025

Position-Sensitive Silicon Photomultiplier Array with Enhanced Position Reconstruction by means of a Deep Neural Network

Cyril Alispach, Fabio Acerbi, Hossein Arabi +4

Single-photon sensitive detectors like Silicon Photomultipliers are widely used in many medical imaging applications. By using detectors with position resolutions, it is possible t…

physics.med-ph2025

Performance Evaluation of a Position-Sensitive SiPM-based Gamma Camera for Intraoperative Imaging

Aramis Raiola, Fabio Acerbi, Cyril Alispach +4

The POSiCS camera is a handheld, small field-of-view gamma camera developed for multipurpose use in radio-guided surgery (RGS), with sentinel lymph node biopsy (SLNB) as its benchm…

physics.ins-det2025

Quantitative Determination of Spatial Resolution and Linearity of Position-Sensitive LG-SiPMs at Sub-Millimeter Scale via Ricean Distribution Fitting

Aramis Raiola, Fabio Acerbi, Cyril Alispach +4

Position-sensitive SiPMs are useful in all light detection applications requiring a small number of readout channels while preserving the information about the incoming light's int…

physics.med-ph2022★ 20 cited

A novel shape-based loss function for machine learning-based seminal organ segmentation in medical imaging

Reza Karimzadeh, Emad Fatemizadeh, Hossein Arabi

Automated medical image segmentation is an essential task to aid/speed up diagnosis and treatment procedures in clinical practices. Deep convolutional neural networks have exhibite…

eess.IV2022★ 14 cited

A novel unsupervised covid lung lesion segmentation based on the lung tissue identification

Faeze Gholamian Khah, Samaneh Mostafapour, Seyedjafar Shojaerazavi +2

This study aimed to evaluate the performance of a novel unsupervised deep learning-based framework for automated infections lesion segmentation from CT images of Covid patients. In…

physics.med-ph2021★ 2 cited

Quantitative and Qualitative Performance Evaluation of Commercial Metal Artifact Reduction Methods: Dosimetric Effects on the Treatment Planning

Mohammad Ghorbanzadeh, Seyed Abolfazl Hosseini, Bijan Vosoughi Vahdat +3

The presence of metal implants within CT imaging causes severe attenuation of the X-ray beam. Due to the incomplete information recorded by CT detectors, artifacts in the form of s…

physics.med-ph2021

Comparison of different deep learning architectures for synthetic CT generation from MR images

Abbas Bahrami, Alireza Karimian, Hossein Arabi

MRI-guided radiation treatment planning is widely applied because of its superior soft-tissue contrast and no ionization radiation compared to CT-based planning. In this regard, sy…

eess.IV2021★ 5 cited

Automated lung segmentation from CT images of normal and COVID-19 pneumonia patients

Faeze Gholamiankhah, Samaneh Mostafapour, Nouraddin Abdi Goushbolagh +4

Automated semantic image segmentation is an essential step in quantitative image analysis and disease diagnosis. This study investigates the performance of a deep learning-based mo…

physics.med-ph2021★ 1 cited

Deep learning-based noise reduction in low dose SPECT Myocardial Perfusion Imaging: Quantitative assessment and clinical performance

Narges Aghakhan Olia, Alireza Kamali-Asl1, Sanaz Hariri Tabrizi +4

Clinical SPECT-MPI images of 345 patients acquired from a dedicated cardiac SPECT in list-mode format were retrospectively employed to predict normal-dose images from low-dose data…

physics.med-ph2021★ 2 cited

Quantitative investigation of low-dose PET imaging and post-reconstruction smoothing

Behnoush Sanaei, Reza Faghihi, Hossein Arabi

In this study, 18F-FDG PET/CT brain scans of 50 patients with head and neck malignant lesions were employed to systematically assess the relationship between the amount of injected…