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Lawrence Chen

4 accepted papers

2026

Spline-FRIDA: Towards Diverse, Humanlike Robot Painting Styles with a Sample-Efficient, Differentiable Brush Stroke Model

ICRA 2026poster

A painting is more than just a picture on a wall; a painting is a process comprised of many intentional brush strokes, the shapes of which are an important component of a painting's overall style and message. Prior work in modeling brush stroke trajectories either does not work with real-world robot…

2025

Spline-FRIDA: Towards Diverse, Humanlike Robot Painting Styles With a Sample-Efficient, Differentiable Brush Stroke Model

RA-L 2025

A painting is more than just a picture on a wall; a painting is a <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">process</i> comprised of many intentional brush strokes, the shapes of which are an important component of a painting's overall style an

Cited by 5SourceScholar
2025

TLDR: Token-Level Detective Reward Model for Large Vision Language Models

ICLR 2025poster

Although reward models have been successful in improving multimodal large language models, the reward models themselves remain brutal and contain minimal information. Notably, existing reward models only mimic human annotations by assigning only one feedback to any text, no matter how long the text…

Cited by 5SourcePDFScholar
2024

LEGO: Learning EGOcentric Action Frame Generation via Visual Instruction Tuning

ECCV 2024oral

"Generating instructional images of human daily actions from an egocentric viewpoint serves as a key step towards efficient skill transfer. In this paper, we introduce a novel problem – egocentric action frame generation. The goal is to synthesize an image depicting an action in the user’s context (…