Eugenio Marinetto

• PhD on Biomedical Engineering
• AI Lead at CAF

Image-guided interventions enable the surgeon to display the position of instruments and devices with respect to the patient’s imaging studies during surgery by means of a tracker device. Optical trackers are commonly chosen for many surgical applications when high accuracy and robustness are required. OptiTrack is a multicamera optical tracker who...

Purpose: Intraoperative electron radiation therapy (IOERT) involves the delivery of a high radiation dose during tumor resection in a shorter time than other radiation techniques, thus improving local control of tumors. However, a linear accelerator device is needed to produce the beam safely. Mobile linear accelerators have been designed as dedic...

Intraoperative electron radiation therapy (IOERT) is the delivery of radiation to the surgically opened tumor bed without irradiating healthy tissue. Treatment planning systems and mobile linear accelerators enable clinicians to optimize the procedure, minimize the stress in the operating room (OR) and avoid transferring the patient to a dedicated...

This work presents development of an integrated ultrasound (US) – cone-beam CT (CBCT) system for image-guided needle interventions, combining a low-cost ultrasound system (Interson VC 7.5 MHz, Pleasanton CA) with a mobile C-arm for fluoroscopy and CBCT via use of a surgical tracker. Imaging performance of the ultrasound system was characterized in...

PURPOSE Bone microstructure is a potential biomarker in osteoporosis and osteoarthritis. Extremities cone-beam CT (CBCT) is a compelling platform for in-vivo bone morphometrics owing to the high resolution of flat-panel detectors (FPDs) that supports assessment of trabeculae. Improvement in spatial resolution of extremities CBCT is anticipated with...

Background: A difficulty in computer-assisted interventions is acquiring the patient's anatomy intraoperatively. Standard modalities have several limitations: low image quality (ultrasound), radiation exposure (computed tomography) or high costs (magnetic resonance imaging). An alternative approach uses a tracked pointer; however, the pointer caus...

Intraoperative electron radiation therapy (IOERT) involves irradiation of an unresected tumour or a post-resection tumour bed. The dose distribution is calculated from a preoperative computed tomography (CT) study acquired using a CT simulator. However, differences between the actual IOERT field and that calculated from the preoperative study arise...

Purpose:Extremity cone-beam CT (CBCT) with an amorphous silicon (aSi) flat-panel detector (FPD) provides low-dose volumetric imaging with high spatial resolution. We investigate the performance of the newer complementary metal-oxide semiconductor (CMOS) detectors to enhance resolution of extremities CBCT to ∼0.1 mm, enabling morphological analysis...

Low-dose protocols for respiratory gating in cardiothoracic small-animal imaging lead to streak artifacts in the images reconstructed with a Feldkamp-Davis-Kress (FDK) method. We propose a novel prior- and motion-based reconstruction (PRIMOR) method, which improves prior-based reconstruction (PBR) by adding a penalty function that includes a model...

This repository contains a demo that shows how to use a novel prior- and motion-based reconstruction (PRIMOR) method for respiratory gated CT, as presented in the paper A novel prior- and motion-based compressed sensing methods for small-animal respiratory gated CT. JFPJ Abascal, M Abella, E Marinetto, J Pascau, and M Desco. PLOS ONE 9;11(3):e01498...

People differ in their cognitive functioning. This variability has been exhaustively examined at the behavioral, neural and genetic level to uncover the mechanisms by which some individuals are more cognitively efficient than others. Studies investigating the neural underpinnings of interindividual differences in cognition aim to establish a reliab...

Purpose Compressed sensing (CS) has been widely applied to prospective cardiac cine MRI. The aim of this work is to study the benefits obtained by including motion estimation in the CS framework for small-animal retrospective cardiac cine. Methods We propose a novel B-spline-based compressed sensing method (SPLICS) that includes motion estimation...

Intra-Operative Radiation Therapy (IORT) is a technique that combines surgery and adjuvant radiation directly applied to a post-resected tumor bed by means of a specific applicator docked to the linear accelerator. An IORT Treatment Planning System (TPS) allows radiation oncologists to plan the treatment using computed tomography (CT) images of the...

Intra-Operative Radiation Therapy (IORT) is a technique that combines surgery and adjuvant radiation. It is applied directly to a post-resected tumor bed by means of a specific applicator docked to the linear accelerator. IORT's primary purpose is to reduce local cancer recurrence. Separating healthy tissues from the tumor bed is essential in order...

Motion-Based Reconstruction (MBR) and Prior-Based Reconstruction (PBR) are compressed sensing approaches for cardiac cine MRI that achieve high acceleration factors by exploiting temporal sparsity based on a prior image. It would be appealing to reconstruct only the image variation with respect to the prior image, as this is sparser than the image...

Intra-operative electron radiation therapy (IOERT) combines surgery and ionizing radiation applied directly to an exposed unresected tumour mass or to a post-resection tumour bed. The radiation is collimated and conducted by a specific applicator docked to the linear accelerator. The dose distribution in tissues to be irradiated and in organs at ri...

In this work, a mobile phone platform for portable chemical analysis is presented. This platform is based on the use of the built-in camera for capturing the image of a single-use colorimetric chemical sensor, while a custom-developed software application processes this image for obtaining its characteristic H (hue) value, which is related to analy...