Jiahao Li

avatar I am a PhD student at TTIC advised by Greg Shakhnarovich in the PALS Lab. I primarily work on 3D computer vision and generative modeling. Before coming to TTIC, I received my Master of Computer Science from Washington University in St. Louis, advised by Ayan Chakrabarti. I got my Bachelor of Mathematics from Sun Yat-sen University. I have interned at Adobe Resarch, Meta Reality Labs and Megvii.
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Research

For ease of maintenance, only the most representative works are shown here. See my Google Scholar page for a full list of publications.

Instant3D: Fast Text-to-3D with Sparse-View Generation and Large Reconstruction Model

Jiahao Li, Hao Tan, Kai Zhang, Zexiang Xu, Fujun Luan, Yinghao Xu, Yicong Hong, Kalyan Sunkavalli, Greg Shakhnarovich, Sai Bi
project page | arXiv
ICLR 2024
High quality, diverse and Janus-free Text-to-3D in 20 SECONDS.

Score Jacobian Chaining: Lifting Pretrained 2D Diffusion Models for 3D Generation

Haochen Wang*, Xiaodan Du*, Jiahao Li*, Raymond A. Yeh, Greg Shakhnarovich
project page | arXiv | code
CVPR 2023
Generating 3D objects from 2D diffusion models by chaining scores with NeRF gradients.
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