Art3D: Training-Free 3D Generation from Flat-Colored Illustration

• URL: http://arxiv.org/abs/2504.10466v1
• Date: Mon, 14 Apr 2025 17:53:10 GMT
• Title: Art3D: Training-Free 3D Generation from Flat-Colored Illustration
• Authors: Xiaoyan Cong, Jiayi Shen, Zekun Li, Rao Fu, Tao Lu, Srinath Sridhar,
• Abstract summary: Art3D is a training-free method that can lift flat-colored 2D designs into 3D.<n>We benchmark the generalization performance of existing image-to-3D models on flat-colored images without 3D feeling.
• Score: 22.358983277403233
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Large-scale pre-trained image-to-3D generative models have exhibited remarkable capabilities in diverse shape generations. However, most of them struggle to synthesize plausible 3D assets when the reference image is flat-colored like hand drawings due to the lack of 3D illusion, which are often the most user-friendly input modalities in art content creation. To this end, we propose Art3D, a training-free method that can lift flat-colored 2D designs into 3D. By leveraging structural and semantic features with pre- trained 2D image generation models and a VLM-based realism evaluation, Art3D successfully enhances the three-dimensional illusion in reference images, thus simplifying the process of generating 3D from 2D, and proves adaptable to a wide range of painting styles. To benchmark the generalization performance of existing image-to-3D models on flat-colored images without 3D feeling, we collect a new dataset, Flat-2D, with over 100 samples. Experimental results demonstrate the performance and robustness of Art3D, exhibiting superior generalizable capacity and promising practical applicability. Our source code and dataset will be publicly available on our project page: https://joy-jy11.github.io/ .

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