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Jiahao Li
I am a PhD student at TTIC advised
by Greg Shakhnarovich in
the PALS
Lab. I primarily work on 3D computer vision and generative models.
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 Eigen AI,
Adobe Resarch and
Meta
Reality Labs.
Jiahao Li
I am a PhD student at TTIC advised
by Greg Shakhnarovich in
the PALS
Lab. I primarily work on 3D computer vision and generative models.
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 Eigen AI,
Adobe Resarch and
Meta
Reality Labs.
Representative Works
FastMap: Revisiting Structure from Motion through First-Order Optimization
Jiahao Li*,
Haochen Wang*,
Muhammad Zubair Irshad,
Igor Vasiljevic,
Matthew R. Walter,
Vitor Campagnolo Guizilini,
Greg Shakhnarovich
3DV 2026 (Oral)
A fast structure from motion pipeline written in PyTorch.
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
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
CVPR 2023
Generating 3D objects from 2D diffusion models by chaining scores with NeRF gradients.
Jiahao Li © 2025