1 citations · 3 across the 22 of their papers we have counts for
28 papers
Live Thread Reconstruction for Autonomous Manipulation
Emma Huang, Omar Hernandez, Zih-Yun Chiu +1
Autonomous robotic surgery has drawn increased attention in recent years due to its potential to relieve surgeons of time-consuming, mentally straining, and tedious tasks, particul…
Integrated Respiratory Sensing and Gated Control for Autonomous Needle Insertion Via CT Bore Robotic Arm
Emma Huang, Moira Bohley, Krishna Jamakhandi +10
Currently, CT-guided lung biopsy is a highly manual procedure requiring patient breath-holding, iterative manual needle insertions, and repeated CT confirmation scans to accurately…
ProCut: Probabilistic Cutting Topology for Autonomous Electrosurgical Tissue Dissection
Xiao Liang, Fei Liu, Florian Richter +2
Accurately modeling and tracking the deformation of soft tissue is critical for a wide range of interventional and surgical procedures. However, current methods struggle in scenari…
Bi-manual Stabilization of the Cervical Spine for Safe Physical Human-Robot Interaction in Rolling Maneuvers
Elizabeth Peiros, Moira Bohley, Lucas Yager +6
The neck, specifically the cervical spine, is a highly fragile and mobile part of the body with a high risk of catastrophic injury. Whether someone is injured on a battlefield, in…
SurgFlow: 3D Object-Centric Contact Flow for Surgical Robot Manipulation
Changwei Chen, Xiao Liang, Yinuo Yang +6
Paired video-action demonstrations enable autonomous surgical behavior, but such data is scarce: robots perform roughly 1% of surgeries, while video-only data is abundant. Learning…
Shaft-Configuration-Adaptive Catheter Tip Position Estimation via Motor-History Conditioned Residual Learning
Peihan Zhang, Michael C. Yip, Ankur Kapoor +1
Tendon-driven continuum manipulators are widely used in medical applications, where accurate tip-position estimation is essential for precise navigation and instrument positioning.…
Reeling It In: Flexible Needle Pick Up via Thread Manipulation for Autonomous Suturing
Emma Huang, Zih-Yun Chiu, Neelay Joglekar +2
Suture-needle pickup is necessary for autonomous suturing, as a needle can be unexpectedly dropped or strategically released to adjust the grasping configuration. Current methods f…
The N2D Haptic Glove: A Multi-Finger Glove for 2D Directional Force Feedback for Contact Rich Manipulation
Yao-Ting Huang, Jake Honma, Omar Hernandez +4
Humans rely on directional fingertip forces to probe and regulate contact during manipulation, yet most wearable haptic gloves render only vibration or single-axis force, leaving f…
Real-time Rendering-based Surgical Instrument Tracking via Evolutionary Optimization
Hanyang Hu, Zekai Liang, Florian Richter +1
Accurate and efficient tracking of surgical instruments is fundamental for Robot-Assisted Minimally Invasive Surgery. Although vision-based robot pose estimation has enabled marker…
Towards Autonomous Tape Handling for Robotic Wound Redressing
Xiao Liang, Lu Shen, Peihan Zhang +3
Chronic wounds, such as diabetic, pressure, and venous ulcers, affect over 6.5 million patients in the United States alone and generate an annual cost exceeding $25 billion. Despi…
Efficient Surgical Robotic Instrument Pose Reconstruction in Real World Conditions Using Unified Feature Detection
Zekai Liang, Kazuya Miyata, Xiao Liang +2
Accurate camera-to-robot calibration is essential for any vision-based robotic control system and especially critical in minimally invasive surgical robots, where instruments condu…
Feedback Matters: Augmenting Autonomous Dissection with Visual and Topological Feedback
Chung-Pang Wang, Changwei Chen, Xiao Liang +3
Autonomous surgical systems must adapt to highly dynamic environments where tissue properties and visual cues evolve rapidly. Central to such adaptability is feedback: the ability…
LapSurgie: Humanoid Robots Performing Surgery via Teleoperated Handheld Laparoscopy
Zekai Liang, Xiao Liang, Soofiyan Atar +7
Robotic laparoscopic surgery has gained increasing attention in recent years for its potential to deliver more efficient and precise minimally invasive procedures. However, adoptio…
In-Hand Manipulation of Articulated Tools with Dexterous Robot Hands with Sim-to-Real Transfer
Soofiyan Atar, Daniel Huang, Florian Richter +1
Reinforcement learning (RL) and sim-to-real transfer have advanced rigid-object manipulation. However, policies remain brittle for articulated mechanisms due to contact-rich dynami…
Stable Tracking-in-the-Loop Control of Cable-Driven Surgical Manipulators under Erroneous Kinematic Chains
Neelay Joglekar, Fei Liu, Florian Richter +1
Remote Center of Motion (RCM) robotic manipulators have revolutionized Minimally Invasive Surgery, enabling precise, dexterous surgical manipulation within the patient's body cavit…
Optimal Motion Scaling for Delayed Telesurgery
Jason Lim, Florian Richter, Zih-Yun Chiu +6
Robotic teleoperation over long communication distances poses challenges due to delays in commands and feedback from network latency. One simple yet effective strategy to reduce er…
Differentiable Rendering-based Pose Estimation for Surgical Robotic Instruments
Zekai Liang, Zih-Yun Chiu, Florian Richter +1
Robot pose estimation is a challenging and crucial task for vision-based surgical robotic automation. Typical robotic calibration approaches, however, are not applicable to surgica…
Dexterous Control of an 11-DOF Redundant Robot for CT-Guided Needle Insertion With Task-Oriented Weighted Policies
Peihan Zhang, Derek Chen, Florian Richter +7
Computed tomography (CT)-guided needle biopsies are critical for diagnosing a range of conditions, including lung cancer, but present challenges such as limited in-bore space, prol…
MEDiC: Autonomous Surgical Robotic Assistance to Maximizing Exposure for Dissection and Cautery
Xiao Liang, Chung-Pang Wang, Nikhil Uday Shinde +3
Surgical automation has the capability to improve the consistency of patient outcomes and broaden access to advanced surgical care in underprivileged communities. Shared autonomy,…
KineDepth: Utilizing Robot Kinematics for Online Metric Depth Estimation
Soofiyan Atar, Yuheng Zhi, Florian Richter +1
Depth perception is essential for a robot's spatial and geometric understanding of its environment, with many tasks traditionally relying on hardware-based depth sensors like RGB-D…
Autonomous Image-to-Grasp Robotic Suturing Using Reliability-Driven Suture Thread Reconstruction
Neelay Joglekar, Fei Liu, Florian Richter +1
Automating suturing during robotically-assisted surgery reduces the burden on the operating surgeon, enabling them to focus on making higher-level decisions rather than fatiguing t…
JIGGLE: An Active Sensing Framework for Boundary Parameters Estimation in Deformable Surgical Environments
Nikhil Uday Shinde, Xiao Liang, Fei Liu +4
Surgical automation can improve the accessibility and consistency of life saving procedures. Most surgeries require separating layers of tissue to access the surgical site, and sut…
SURESTEP: An Uncertainty-Aware Trajectory Optimization Framework to Enhance Visual Tool Tracking for Robust Surgical Automation
Nikhil U. Shinde, Zih-Yun Chiu, Florian Richter +4
Inaccurate tool localization is one of the main reasons for failures in automating surgical tasks. Imprecise robot kinematics and noisy observations caused by the poor visual acuit…
Robust Surgical Tool Tracking with Pixel-based Probabilities for Projected Geometric Primitives
Christopher D'Ambrosia, Florian Richter, Zih-Yun Chiu +4
Controlling robotic manipulators via visual feedback requires a known coordinate frame transformation between the robot and the camera. Uncertainties in mechanical systems as well…