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Carve3D: Improving Multi-view Reconstruction Consistency for Diffusion Models with RL Finetuning
April 10, 2024, 4:46 a.m. | Desai Xie, Jiahao Li, Hao Tan, Xin Sun, Zhixin Shu, Yi Zhou, Sai Bi, S\"oren Pirk, Arie E. Kaufman
cs.CV updates on arXiv.org arxiv.org
Abstract: Multi-view diffusion models, obtained by applying Supervised Finetuning (SFT) to text-to-image diffusion models, have driven recent breakthroughs in text-to-3D research. However, due to the limited size and quality of existing 3D datasets, they still suffer from multi-view inconsistencies and Neural Radiance Field (NeRF) reconstruction artifacts. We argue that multi-view diffusion models can benefit from further Reinforcement Learning Finetuning (RLFT), which allows models to learn from the data generated by themselves and improve beyond their dataset …
arxiv cs.cv diffusion diffusion models finetuning improving type view
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