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Yuanzhe Liu

4 accepted papers

2026

PALM: Progress-Aware Policy Learning via Affordance Reasoning for Long-Horizon Robotic Manipulation

CVPR 2026

Recent advancements in vision-language-action (VLA) models have shown promise in robotic manipulation, yet they continue to struggle with long-horizon, multi-step tasks. Existing methods lack internal reasoning mechanisms that can identify task-relevant interaction cues or track progress within a su

Cited by 0SourceScholar
2025

Fine-Grained Preference Optimization Improves Spatial Reasoning in VLMs

NeurIPS 2025poster

Current Vision-Language Models (VLMs) struggle with fine-grained spatial reasoning, particularly when multi-step logic and precise spatial alignment are required. In this work, we introduce SpatialReasoner-R1, a vision-language reasoning model designed to address these limitations. To construct high…

Cited by 0SourceScholar
2025

Lessons Learned: A Multi-Agent Framework for Code LLMs to Learn and Improve

NeurIPS 2025poster

Recent studies show that LLMs possess different skills and specialize in different tasks. In fact, we observe that their varied performance occur in several levels of granularity. For example, in the code optimization task, code LLMs excel at different optimization categories and no one dominates ot…

Cited by 0SourceScholar
2024

Symbolic Music Generation with Non-Differentiable Rule Guided Diffusion

ICML 2024oral

We study the problem of symbolic music generation (e.g., generating piano rolls), with a technical focus on non-differentiable rule guidance. Musical rules are often expressed in symbolic form on note characteristics, such as note density or chord progression, many of which are non-differentiable wh…