Siyuan Bian
Student at Shanghai Jiao Tong University MVIG-SJTU
Shanghai, China
Summary
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RockstarSiyuan Bian is a master's student at Shanghai Jiao Tong University with five years of hands-on engineering experience focused on machine learning and 3D human pose estimation. He contributed as an ML engineer to the official HybrIK repository (CVPR 2021), improving rotation/quaternion handling, data preprocessing, and integrating camera parameters to boost model reliability. Comfortable debugging complex geometry and transformation pipelines, Siyuan combines research-aware rigor with practical code fixes that materially raise model performance. Based in Shanghai, he brings a pragmatic blend of academic study and open-source impact, favoring precise numerical fixes over sweeping rewrites. Notably, his contributions reveal attention to subtle implementation details—like flip-twist corrections—that often determine real-world success in pose estimation systems.
5 years of coding experience
Github Skills (4)
computer-vision10
pytorch10
pose-estimation9
python9
Programming languages (2)
Github contributions (5)
jeffffffli/HybrIK
Nov 2021 - Aug 2022
Official code of "HybrIK: A Hybrid Analytical-Neural Inverse Kinematics Solution for 3D Human Pose and Shape Estimation", CVPR 2021
Role in this project:
ML Engineer
ML EngineerContributions:7 commits, 7 PRs, 4 pushes in 9 months
Contributions summary:Siyuan focused on debugging and improving the HybrIK model's performance. Their contributions include fixing issues related to the rotation matrix calculation and quaternion conversions. They also made modifications to the data preprocessing and transformation pipelines by adding new functionalities and fixing the flip twist. The user implemented changes to integrate camera parameters into the training process.
inverse-kinematicscvpr213d-human-pose3d-pose-estimationhuman-pose
jeffffffli/NIKI
May 2023 - Jul 2024
Code of "NIKI: Neural Inverse Kinematics with Invertible Neural Networks for 3D Human Pose and Shape Estimation", CVPR 2023
Contributions:6 PRs, 1 push, 11 comments in 1 year 1 month
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