Amber Xie

I am a PhD student at Stanford. My research is supported by the NDSEG Fellowship. I was also awarded the NSF Graduate Research Fellowship.

Previously, I graduated from UC Berkeley with an MS in Computer Science and BA in Computer Science and Applied Math. I was fortunate to be advised by Pieter Abbeel, Stephen James, and Youngwoon Lee at BAIR.

Contact: amberxie@stanford.edu
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I'm interested in robot learning. In particular, I would like to build intelligent, adaptable, multi-purpose robots that can learn quickly and accomplish complex tasks. I've worked on a variety of projects in deep reinforcement learning, imitation learning, and generative models to this aim.

We propose Latent Diffusion Planning (LDP), a modular approach consisting of a planner which can leverage action-free demonstrations, and an inverse dynamics model which can leverage suboptimal data, that both operate over a learned latent space.

We propose the domain of Language-Conditioned Path Planning (LAPP), where contact-awareness is incorporated into the path planning problem. As a first step, we propose Language-Conditioned Collision Functions (LACO).

LAMP pretrains a language-conditioned agent without human supervision using noisy VLM rewards and unsupervised reinforcement learning.

VectorFusion generates infinitely scalable vector graphics (SVGs), pixel art and sketches from text using the pretrained Stable Diffusion model.

IRM leverages the skill discriminator from unsupervised RL pretraining to perform environment-interaction-free skill sequencing for unseen downstream tasks.

Segmentations are a concise, compressed representation for images. We show sim-to-real transfer through training an RL agent on image segmentations for off-road autonomous driving.

We describe how authors alter the presentation of math formulas to make them more approachable, from colorization to labels, layout, and beyond.

🏆 Best Paper Award

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