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Wenqiang Chi

5 accepted papers

2020

Collaborative Robot-Assisted Endovascular Catheterization with Generative Adversarial Imitation Learning

ICRA 2020poster

Master-slave systems for endovascular catheterization have brought major clinical benefits including reduced radiation doses to the operators, improved precision and stability of the instruments, as well as reduced procedural duration. Emerging deep reinforcement learning (RL) technologies could pot…

Cited by 116SourceScholar
2020

End-to-End Real-time Catheter Segmentation with Optical Flow-Guided Warping during Endovascular Intervention

ICRA 2020poster

Accurate real-time catheter segmentation is an important pre-requisite for robot-assisted endovascular intervention. Most of the existing learning-based methods for catheter segmentation and tracking are only trained on smallscale datasets or synthetic data due to the difficulties of ground-truth an…

Cited by 38SourceScholar
2019

Toward a Versatile Robotic Platform for Fluoroscopy and MRI-Guided Endovascular Interventions: A Pre-Clinical Study

IROS 2019poster

Cardiovascular diseases remain as the most common cause of death worldwide. Remotely manipulated robotic systems are utilized to perform minimally invasive endovascular interventions. The main benefits of this methodology include reduced recovery time, improvement of clinical skills and procedural f…

Cited by 71SourceScholar
2018

Trajectory Optimization of Robot-Assisted Endovascular Catheterization with Reinforcement Learning

IROS 2018poster

Emerging robot-assisted endovascular intervention has the potential to reduce X-ray radiations to the operator while enhancing the stability and dexterity of catheter manipulation. Supervised and shared autonomy of endovascular procedures could add further improvements in reduced fatigue and cogniti…

Cited by 60SourceScholar
2017

A learning based training and skill assessment platform with haptic guidance for endovascular catheterization

ICRA 2017poster

Increasing demands in endovascular intervention have motivated technical skill training and competency-based measures of performance. However, there are no well-established online metrics for technical skill assessment; few studies have explored operator behavioral patterns from catheter motion and…

Cited by 26SourceScholar