← Search

Paolo Fiorini

20 accepted papers

2023

Autonomous Robotic System for Breast Biopsy With Deformation Compensation

RA-L 2023

Image-guided biopsy is the most common technique for breast cancer diagnosis. Although magnetic resonance imaging (MRI) has the highest sensitivity in breast lesion detection, ultrasound (US) biopsy guidance is generally preferred due to its non-invasiveness and real-time image feedback during the i

Cited by 10SourceScholar
2023

Constrained Reinforcement Learning and Formal Verification for Safe Colonoscopy Navigation

IROS 2023poster

The field of robotic Flexible Endoscopes (FEs) has progressed significantly, offering a promising solution to reduce patient discomfort. However, the limited autonomy of most robotic FEs results in non-intuitive and challenging manoeuvres, constraining their application in clinical settings. While p…

Cited by 9SourceScholar
2023

Generalization of Auto-Regressive Hidden Markov Models to Non-Linear Dynamics and Unit Quaternion Observation Space

RA-L 2023

Latent variable models are widely used to perform unsupervised segmentation of time series in different context such as robotics, speech recognition, and economics. One of the most widely used latent variable model is the Auto-Regressive Hidden Markov Model (ARHMM), which combines a latent mode gove

Cited by 1SourceScholar
2023

Sim-to-Real Transfer for Visual Reinforcement Learning of Deformable Object Manipulation for Robot-Assisted Surgery

RA-L 2023

Automation holds the potential to assist surgeons in robotic interventions, shifting their mental work load from visuomotor control to high level decision making. Reinforcement learning has shown promising results in learning complex visuomotor policies, especially in simulation environments where m

Cited by 82SourceScholar
2022

3D Vision Based Robot Assisted Electrical Impedance Scanning for Soft Tissue Conductivity Sensing

RA-L 2022

Advanced Sensing Technologies (ASTs) have a great potential to improve surgical quality and to further develop Surgical Robotic Systems (SRSs), enhancing their technical and autonomy capabilities. Among these sensing techniques, Electrical Bioimpedance (EBI) provides a non-invasive, low-cost, and sa

Cited by 2SourceScholar
2022

Colonoscopy Navigation using End-to-End Deep Visuomotor Control: A User Study

IROS 2022poster

Flexible Endoscopes (FEs) for colonoscopy present several limitations due to their inherent complexity, resulting in patient discomfort and lack of intuitiveness for clinicians. Robotic FEs with autonomous control represent a viable solution to reduce the workload of endoscopists and the training ti…

Cited by 16SourcecodeScholar
2022

Deliberation in autonomous robotic surgery: a framework for handling anatomical uncertainty

ICRA 2022poster

Autonomous robotic surgery requires deliberation, i.e. the ability to plan and execute a task adapting to uncer-tain and dynamic environments. Uncertainty in the surgical domain is mainly related to the partial pre-operative knowledge about patient-specific anatomical properties. In this paper, we i…

Cited by 17SourcecodeScholar
2021

An Optimized Two-Layer Approach for Efficient and Robustly Stable Bilateral Teleoperation

ICRA 2021poster

In this paper, we propose a novel bilateral teleoperation architecture that allows to optimally render the remote interaction force at the local side while guaranteeing a robustly stable behaviour. Stability is guaranteed by ensuring a proper energy exchange between the local and the remote sides. D…

Cited by 8SourceScholar
2021

Data-Driven Intra-Operative Estimation of Anatomical Attachments for Autonomous Tissue Dissection

RA-L 2021

The execution of surgical tasks by an Autonomous Robotic System (ARS) requires an up-to-date model of the current surgical environment, which has to be deduced from measurements collected during task execution. In this work, we propose to automate tissue dissection tasks by introducing a convolution

Cited by 18SourceScholar
2021

IVUS-Based Local Vessel Estimation for Robotic Intravascular Navigation

RA-L 2021

Intra-operative local 3D vessel representations have the potential to significantly decrease the use of contrast agents and exposure to ionizing radiation during endovascular procedures, while overcoming the 2D visualization limitation of fluoroscopic guidance. By fusing intravascular ultrasound (IV

Cited by 6SourceScholar
2021

Industrial Time Series Modeling With Causal Precursors and Separable Temporal Convolutions

RA-L 2021

When applied to industrial processes, predictive models (PMs) easily fail to depict the overall complexity of a production plant. Multiple factors can interfere during the production process and the requirements in accuracy, safety and efficiency are very high. To fully achieve the potential of PMs,

Cited by 12SourceScholar
2021

Safe Reinforcement Learning using Formal Verification for Tissue Retraction in Autonomous Robotic-Assisted Surgery

IROS 2021poster

Deep Reinforcement Learning (DRL) is a viable solution for automating repetitive surgical subtasks due to its ability to learn complex behaviours in a dynamic environment. This task automation could lead to reduced surgeon’s cognitive workload, increased precision in critical aspects of the surgery,…

Cited by 59SourcecodeScholar
2020

Autonomous task planning and situation awareness in robotic surgery

IROS 2020poster

The use of robots in minimally invasive surgery has improved the quality of standard surgical procedures. So far, only the automation of simple surgical actions has been investigated by researchers, while the execution of structured tasks requiring reasoning on the environment and the choice among m…

Cited by 55SourceScholar
2020

Joints-Space Metrics for Automatic Robotic Surgical Gestures Classification

IROS 2020poster

Automated surgical gestures classification and recognition are important precursors for achieving the goal of objective evaluation of surgical skills. Many works have been done to discover and validate metrics based on the motion of instruments that can be used as features for automatic classificati…

Cited by 5SourceScholar
2020

Soft Tissue Simulation Environment to Learn Manipulation Tasks in Autonomous Robotic Surgery

IROS 2020poster

Reinforcement Learning (RL) methods have demonstrated promising results for the automation of subtasks in surgical robotic systems. Since many trial and error attempts are required to learn the optimal control policy, RL agent training can be performed in simulation and the learned behavior can be t…

Cited by 65SourceScholar
2019

Introducing Series Elastic Links for Affordable Torque-Controlled Robots

RA-L 2019

Robotics has the potential to become a revolutionary technology in the next future and if we want to spread it among the population we must start accounting for affordability in robot research and design. Plastic robots are an emerging example of affordable design where expensive metal structures ar

Cited by 8SourceScholar
2018

A Parallel-Elastic Actuator for a Torque-Controlled Back-Support Exoskeleton

RA-L 2018

A torque-controlled back-support exoskeleton to assist manual handling is presented. Its objective is to provide a significant portion of the forces necessary to carry out the physical task, thereby reducing the compressive loads on the lumbar spine and the associated risk of injury. The design rati

Cited by 92SourceScholar
2018

Approaches for Action Sequence Representation in Robotics: A Review

IROS 2018poster

Robust representation of actions and its sequences for complex robotic tasks would transform robot's understanding to execute robotic tasks efficiently. The challenge is to understand action sequences for highly unstructured environments and to represent and construct action and action sequences. In…

Cited by 15SourceScholar