Education


Purdue University, West Lafayette, Indiana, USA. 2013/08 - 2018/05

Zhejiang University, Hangzhou, China.2009/08 - 2013/06

  • B.S. in Information Science and Electronic Engineering. GPA 3.90/4.
  • Advisor: Dr. Haoji Hu
  • Thesis: Blind Watermarking Scheme of 3D Triangular Meshes Resilient to Cropping Attacks.


Work Experience


Senior deep learning research and development engineer. Nvidia Corporation.2018/08 - present

  • Apply state-of-the-art deep learning research and advanced computing hardware to create the next generation of autonomous vehicles.
  • Develop perception models and algorithms for detecting objects, predicting driving paths, planning, etc.
  • Build and maintain the AI infrastructure for research and development engineering.
  • Active learning for sampling diverse and effective data to improve models over time.
  • Reseaerch on world model and learn driving policy from human-drive data using reinforcement learning for L5 autonomy.
  • Research on self-supervised learning to reduce the labeling cost and improve the robustness and generalization of DNNs.

Research assistant. Purdue University. 2013/08 - 2018/05

  • Led a group that aimed to develop brain-inspired deep-learning models not only for artificial intelligence but also for studying the brain.
  • Mapped human brain networks using functional MRI and electrophysiology.


Ph.D. Work Summary


Neural encoding and decoding with deep learning for natural vision

  • Developed new encoding models to predict brain activities given visual stimuli by using deep neural networks (e.g. CNN, RNN, VAE).
  • Developed a new decoding scheme that directly reconstructed and categorized the visual stimuli for mind-reading.
  • Proposed an efficient learning method for transferring deep-learning-based encoding models across human brains, and developed artificial brains that can simulate brain activities by using deep neural networks.
  • Provided systematic evaluation of the similarity between the deep neural networks and the human brain.

Brain-inspired artificial neural networks

  • Developed a bidirectional and recurrent neural network, as inspired by a neuroscience theory called predictive coding. The network supports recurrent computation via feedforward, feedback, and recurrent connections.
  • Demonstrated that the brain-inspired network enabled a shallow network to perform similarly or better than very deep feedforward-only neural network in object recognition.

Multimodal neuroimaging on mapping functional networks in the brain

  • Developed an algorithm to separate oscillatory and fractal components of neural signals and it has been an increasingly used tool for neural signal processing.
  • Mapped the organization of functional networks in the brain (using ICA, k-means, Restricted Boltzmann Machine, sparse coding).