DreamPartGen: Semantically Grounded Part-Level 3D Generation via Collaborative Latent Denoising

• URL: http://arxiv.org/abs/2603.19216v1
• Date: Thu, 19 Mar 2026 17:58:11 GMT
• Title: DreamPartGen: Semantically Grounded Part-Level 3D Generation via Collaborative Latent Denoising
• Abstract summary: We propose DreamPartGen, a framework for semantically grounded, part-aware text-to-3D generation.<n>A co-denoising process enforces mutual geometric consistency, enabling coherent, interpretable text-aligned 3 synthesis.
• Score: 12.282331512159473
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Understanding and generating 3D objects as compositions of meaningful parts is fundamental to human perception and reasoning. However, most text-to-3D methods overlook the semantic and functional structure of parts. While recent part-aware approaches introduce decomposition, they remain largely geometry-focused, lacking semantic grounding and failing to model how parts align with textual descriptions or their inter-part relations. We propose DreamPartGen, a framework for semantically grounded, part-aware text-to-3D generation. DreamPartGen introduces Duplex Part Latents (DPLs) that jointly model each part's geometry and appearance, and Relational Semantic Latents (RSLs) that capture inter-part dependencies derived from language. A synchronized co-denoising process enforces mutual geometric and semantic consistency, enabling coherent, interpretable, and text-aligned 3D synthesis. Across multiple benchmarks, DreamPartGen delivers state-of-the-art performance in geometric fidelity and text-shape alignment.

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