ParSEL: Parameterized Shape Editing with Language

• URL: http://arxiv.org/abs/2405.20319v2
• Date: Fri, 31 May 2024 04:09:41 GMT
• Title: ParSEL: Parameterized Shape Editing with Language
• Authors: Aditya Ganeshan, Ryan Y. Huang, Xianghao Xu, R. Kenny Jones, Daniel Ritchie,
• Abstract summary: ParSEL is a system that enables controllable editing of high-quality 3D assets from natural language. adjusting the program parameters allows users to explore shape variations with a precise control over the magnitudes of edits.
• Score: 17.312928067096543
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The ability to edit 3D assets from natural language presents a compelling paradigm to aid in the democratization of 3D content creation. However, while natural language is often effective at communicating general intent, it is poorly suited for specifying precise manipulation. To address this gap, we introduce ParSEL, a system that enables controllable editing of high-quality 3D assets from natural language. Given a segmented 3D mesh and an editing request, ParSEL produces a parameterized editing program. Adjusting the program parameters allows users to explore shape variations with a precise control over the magnitudes of edits. To infer editing programs which align with an input edit request, we leverage the abilities of large-language models (LLMs). However, while we find that LLMs excel at identifying initial edit operations, they often fail to infer complete editing programs, and produce outputs that violate shape semantics. To overcome this issue, we introduce Analytical Edit Propagation (AEP), an algorithm which extends a seed edit with additional operations until a complete editing program has been formed. Unlike prior methods, AEP searches for analytical editing operations compatible with a range of possible user edits through the integration of computer algebra systems for geometric analysis. Experimentally we demonstrate ParSEL's effectiveness in enabling controllable editing of 3D objects through natural language requests over alternative system designs.

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