Coin3D: Controllable and Interactive 3D Assets Generation with Proxy-Guided Conditioning

• URL: http://arxiv.org/abs/2405.08054v1
• Date: Mon, 13 May 2024 17:56:13 GMT
• Title: Coin3D: Controllable and Interactive 3D Assets Generation with Proxy-Guided Conditioning
• Authors: Wenqi Dong, Bangbang Yang, Lin Ma, Xiao Liu, Liyuan Cui, Hujun Bao, Yuewen Ma, Zhaopeng Cui,
• Abstract summary: Coin3D allows users to control the 3D generation using a coarse geometry proxy assembled from basic shapes. Our method achieves superior controllability and flexibility in the 3D assets generation task.
• Score: 52.81032340916171
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: As humans, we aspire to create media content that is both freely willed and readily controlled. Thanks to the prominent development of generative techniques, we now can easily utilize 2D diffusion methods to synthesize images controlled by raw sketch or designated human poses, and even progressively edit/regenerate local regions with masked inpainting. However, similar workflows in 3D modeling tasks are still unavailable due to the lack of controllability and efficiency in 3D generation. In this paper, we present a novel controllable and interactive 3D assets modeling framework, named Coin3D. Coin3D allows users to control the 3D generation using a coarse geometry proxy assembled from basic shapes, and introduces an interactive generation workflow to support seamless local part editing while delivering responsive 3D object previewing within a few seconds. To this end, we develop several techniques, including the 3D adapter that applies volumetric coarse shape control to the diffusion model, proxy-bounded editing strategy for precise part editing, progressive volume cache to support responsive preview, and volume-SDS to ensure consistent mesh reconstruction. Extensive experiments of interactive generation and editing on diverse shape proxies demonstrate that our method achieves superior controllability and flexibility in the 3D assets generation task.

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