PartLLM: A Unified Multimodal Foundation for 3D Part Segmentation

arXiv:2609.25832 · cs.CV, cs.GR · Submitted 2026-09-22 · Read on arXiv

cs.CV, cs.GR

Submitted: 2026-09-22

Updated: 2026-09-22

Project page: https://czvvd.github.io/PartLLMPage

Terminology

• Benchmark — 13× in this paper · explained in 2 episodes
• Ablation — 7× in this paper · explained in 1 episode
• Transformer — 7× in this paper · explained in 2 episodes
• Generative Model — 6× in this paper · explained in 2 episodes
• Grounding — 6× in this paper · explained in 3 episodes
• Point Clouds — 5× in this paper · explained in 2 episodes
• Robustness — 4× in this paper · explained in 5 episodes
• Adam — 3× in this paper · explained in 2 episodes
• Clustering — 3× in this paper · explained in 2 episodes
• Generative Models — 3× in this paper · explained in 2 episodes
• Ablation study — 2× in this paper · explained in 1 episode
• Aggregation — 2× in this paper · explained in 1 episode
• Alignment — 2× in this paper · explained in 1 episode
• Foundation Model — 2× in this paper · explained in 3 episodes
• Unified Framework — 2× in this paper · explained in 5 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Core — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Foundation Models — 1× in this paper · explained in 7 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Geometric Mismatch — 1× in this paper · explained in 2 episodes
• Hypernetwork — 1× in this paper · explained in 3 episodes
• Instance Segmentation — 1× in this paper · explained in 3 episodes
• Instruction Tuning — 1× in this paper · explained in 2 episodes
• Mask Generation — 1× in this paper · explained in 2 episodes
• Segmentation Masks — 1× in this paper · explained in 2 episodes
• Semantic Understanding — 1× in this paper · explained in 2 episodes
• Tokenization — 1× in this paper · explained in 2 episodes

Sources

• Qwen-VL: A Versatile Vision-Language Model for Understanding, Localization, Text Reading, and Beyond
• Qwen3-VL Technical Report
• Shikra: Unleashing Multimodal LLM's Referential Dialogue Magic
• PatchAlign3D: Local Feature Alignment for Dense 3D Shape Understanding
• Chat-Scene: Bridging 3D Scene and Large Language Models with Object Identifiers
• HY3D-Bench: Generation of 3D Assets
• GPT-4o System Card
• Detect Anything via Next Point Prediction
• CoSMo3D: Open-World Promptable 3D Semantic Part Segmentation through LLM-Guided Canonical Spatial Modeling
• Hunyuan3D 2.5: Towards High-Fidelity 3D Assets Generation with Ultimate Details
• P3-SAM: Native 3D Part Segmentation
• Find Any Part in 3D
• S2AM3D: Scale-controllable Part Segmentation of 3D Point Clouds
• Segment Any Mesh
• Native and Compact Structured Latents for 3D Generation
• SAMPart3D: Segment Any Part in 3D Objects
• Utonia: Toward One Encoder for All Point Clouds
• PartSLIP++: Enhancing Low-Shot 3D Part Segmentation via Multi-View Instance Segmentation and Maximum Likelihood Estimation

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