I am a Research Scientist at FieldAI, where I work on dexterous manipulation for humanoid robots. I received my Ph.D. from Carnegie Mellon University, where I studied data-efficient robot learning for manipulation under Prof. Amir Barati Farimani.
My research focuses on machine learning for complex robotic manipulation, with an emphasis on learning efficiently from human demonstrations. I am interested in combining imitation learning, tactile sensing, teleoperation, and foundation models to build robust robotic control systems.
Uses large language models to turn as few as one human demonstration into a large imitation learning dataset. The pipeline annotates keyframes, salient objects, and pose-object relations offline, retargets them to new scenes online, and warps the original demo into trajectories that are executed and saved when successful. Thompson sampling optimizes the reusable annotations to improve generation success, and we validate the approach on simulated tasks and a Franka Emika Panda.
Incorporates tactile sensing into imitation learning for USB cable plugging, a dexterous task that depends on fine-grained visuo-tactile servoing. We pretrain visual and tactile encoders with a contrastive loss so that a vision-only policy at deployment can reach performance on par with a visuo-tactile agent without using tactile sensors at inference.
Trains a behavior cloning agent from a single human demonstration by augmenting the trajectory with linear transforms to cover varied initial conditions. Built on Action Chunking Transformers, the method also adds temporal ensembling that uses the standard deviation of predicted actions to stay robust when the environment deviates from what the policy expects.
Minimizes human teaching during reinforcement learning by augmenting a single VR demonstration into many human-like trajectories for DDPG with Hindsight Experience Replay. The approach speeds training on simple manipulation tasks, enables block stacking that baseline DDPG+HER cannot solve, and requires less than a minute of human input while still allowing policies that differ from the original demo.
Introduces an inexpensive, easily replaceable visuo-tactile sensor that encases hydro-gel beads in a vinyl bag. A rear camera observes bead deformation during contact, and a U-Net predicts the applied forces as a pressure map, offering a practical tactile option when cost and durability limit conventional sensors.
Presents open-source VR teleoperation for a Franka Emika Panda using an Oculus headset and consumer hardware. The system is designed to be easy to use, easy to modify, and agnostic to experimental setup so researchers can collect demonstration trajectories more efficiently for imitation or reinforcement learning pipelines.