Zian Wang

I'm a PhD student at University of Toronto, affiliated at Vector Institute. My advisor is Sanja Fidler. I'm also a research scientist at NVIDIA.

I did my bachelor at Tsinghua University, advised by Yebin Liu. I started my adventure in research at Intelligent Vision Group, advised by Jiwen Lu and Jie Zhou.

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Adaptive Shells for Efficient Neural Radiance Field Rendering
Zian Wang*, Tianchang Shen*, Merlin Nimier-David*, Nicholas Sharp, Jun Gao, Alexander Keller, Sanja Fidler, Thomas Müller, Zan Gojcic
ACM Transactions on Graphics (SIGGRAPH Asia), 2023   (Best Paper Award)
project page / arxiv / pdf / supp / twitter thread / bibtex

Neural LiDAR Fields for Novel View Synthesis
Shengyu Huang, Zan Gojcic, Zian Wang, Francis Williams, Yoni Kasten, Sanja Fidler, Konrad Schindler, Or Litany
ICCV, 2023
project page / pdf / bibtex / tech blog

Flexible Isosurface Extraction for Gradient-Based Mesh Optimization
Tianchang Shen, Jacob Munkberg, Jon Hasselgren, Kangxue Yin, Zian Wang, Wenzheng Chen, Zan Gojcic, Sanja Fidler, Nicholas Sharp*, Jun Gao*
ACM Transactions on Graphics (SIGGRAPH), 2023
project page / pdf / supp / acm / bibtex

Neural Fields meet Explicit Geometric Representations for Inverse Rendering of Urban Scenes
Zian Wang, Tianchang Shen, Jun Gao, Shengyu Huang, Jacob Munkberg, Jon Hasselgren, Zan Gojcic, Wenzheng Chen, Sanja Fidler
CVPR, 2023
project page / pdf / video / bibtex

Combined with other NVIDIA technology, FEGR is one component of Neural Reconstruction Engine announced in GTC Sept 2022 Keynote.

GET3D: A Generative Model of High Quality 3D Textured Shapes Learned from Images
Jun Gao, Tianchang Shen, Zian Wang, Wenzheng Chen, Kangxue Yin, Daiqing Li, Or Litany, Zan Gojcic, Sanja Fidler
NeurIPS, 2022   (Spotlight)
project page / pdf / code / bibtex / two-minute papers

Neural Light Field Estimation for Street Scenes with Differentiable Virtual Object Insertion
Zian Wang, Wenzheng Chen, David Acuna, Jan Kautz, Sanja Fidler
ECCV, 2022
project page / pdf / video / bibtex
DIB-R++: Learning to Predict Lighting and Material with a Hybrid Differentiable Renderer
Wenzheng Chen, Joey Litalien, Jun Gao, Zian Wang, Clement Fuji Tsang, Sameh Khamis, Or Litany, Sanja Fidler
NeurIPS, 2021
project page / pdf / bibtex
Learning Indoor Inverse Rendering with 3D Spatially-Varying Lighting
Zian Wang, Jonah Philion, Sanja Fidler, Jan Kautz
ICCV, 2021   (Oral)
project page / pdf / video / bibtex
Beyond Fixed Grid: Learning Geometric Image Representation with a Deformable Grid
Jun Gao, Zian Wang, Jinchen Xuan, Sanja Fidler
ECCV, 2020
project page / pdf / presentation video (short, long) / bibtex
Object Instance Annotation with Deep Extreme Level Set Evolution
Zian Wang, David Acuna*, Huan Ling*, Amlan Kar, Sanja Fidler
CVPR, 2019
project page / pdf / code / poster / bibtex

Please visit this page for code. For research purpose signed up with an academic email, the code is automatically sent within minutes. Feel free to contact me if any issue occurs.

Learning Semantics-Preserving Attention and Contextual Interaction for Group Activity Recognition
Yansong Tang, Jiwen Lu, Zian Wang, Ming Yang, Jie Zhou
IEEE Transaction on Image Processing (TIP), 2019
pdf / supp

Mining Semantics-Preserving Attention for Group Activity Recognition
Yansong Tang, Zian Wang, Peiyang Li, Jiwen Lu, Ming Yang, Jie Zhou
ACM Multimedia, 2018   (Oral)
pdf / slides

Multi-stream Deep Neural Networks for RGB-D Egocentric Action Recognition
Yansong Tang, Zian Wang, Jiwen Lu, Jianjiang Feng, Jie Zhou
IEEE Transactions on Circuits and Systems for Video Technology (TCSVT), 2018
pdf / supp / dataset

Academic Services
Conference Reviewer: ICCV, CVPR, ECCV, NeurIPS

Teaching Assistant, CSC 420: Introduction to Image Understanding 19 Fall, 20 Summer, 20 Fall

Teaching Assistant, CSC 320: Introduction to Visual Computing 19-20 Winter

Best Paper Award, SIGGRAPH Asia 2023

SenseTime Undergraduate Scholarship

National Scholarship

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