Hi, I am Si, Lei (斯磊)

Ph.D. candidate,

Department of Computer Science,

University of Houston,

Houston, TX, USA

Résumé

About

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I am a fourth year Ph.D. candidate at the Department of Computer Science, University of Houston, advised by Guoning Chen.


  • Ph.D. in Computer Science, University of Houston, 2020 - Now.
  • M.Sc. in Computer Science, University of Illinois at Springfield, 2019 - 2020.
  • B.S. in Cyber Security, North China University of Technology, 2013 - 2018.

  • Geometric modeling and geometry processing.
  • Hexahedron mesh quality evaluation and generation.
  • Hexahedron dominant mesh simplification and re-meshing.

Experience

ABB Corporate Research Center

Ladenburg, Germany | 06/2023 - 09/2023

Research Intern

  • Created of a benchmark simulation of a lid-driven cavity problem based on the finite element method for the coupled system of Navier-Stokes equations and heat equation.
  • Developed a physics-informed neural network for the prediction of the physical fields in the benchmark problem.
  • Numerically validated the improvement of the performance of existing sensors based on physically informed neural networks.
  • INTERN CERTIFICATE
State Key Laboratory of Information Security, Chinese Academy of Sciences

Beijing, China | 07/2016 - 07/2018

Research Intern

  • Attended Chinese Academy of Sciences Students Innovation Practice Training Program for digital watermark technology.
  • Developed a GIF-based file concealed storage system. This system mapping any data into a set of GIF images with precomputed encoding rules.
  • Designed a library to manage, distribute, and storage 4 TB GIF Images and them property to multiple physical nodes by using Hadoop Distributed File System and SQL. This library uses RAID 5 as its disk redundant configuration.
  • Designed a algorithm using Apache Spark to calculate the encoding rules for the 4 TB GIF image data set on 6 physical nodes and 250 GB DRAM.
  • Programming Language is Java and Scala.

Award

2023 RISE Professional , German Academic Exchange Service

Ladenburg, Germany | 06/2023 - 09/2023

Scholarship Participants

  • RISE Professional is funded by the German Federal Foreign Office.
National Undergraduate Electronics Design Contest

Beijing, China | 07/2015 - 07/2015

Team Leader

  • Designed a visual navigation and autopilot algorithm on STM32 and KL25 microcontroller to control a quadcopter to delivery an item.
  • Applied proportional-integral-derivative method to control height, speed, attitude and moving based on sensor data in real time.
  • Developed a object detection algorithm using first derivative operator.
  • Won the second prize in the Beijing Division.
  • Programming Language is C.
National University Students Intelligent Car Race

Beijing, China | 07/2014 - 07/2015

Team Leader, Director

  • Designed a visual navigation and autopilot algorithm based on MT9V034 CMOS camera and KL25 microcontroller. The algorithm running in real time at 16 KB RAM.
  • Applied proportional-integral-derivative method to control car speed and steering range.
  • Adopted Kalman filtering algorithm to correct path direction.
  • Won the second prize, and third prize in the Beijing Division.
  • Programming Language is C.

Publications

  • Lei Si, Haowei Cao, Guoning Chen. Hybrid Base Complex: Extract and Visualize Structure of Hex-dominant Meshes, In IEEE Transactions on Visualization and Computer Graphics, Accepted, 2024

  • Giulia Toti, Lei Si, David Daniels et al. Students and Instructors Reflections on the Impact of COVID-19 on Computer Science Education after One Year of Remote Teaching, 28 December 2023, PREPRINT (Version 1) available at Research Square

  • Lei Si and Guoning Chen, A Visualization System for Hexahedral Mesh Quality Study. IEEE Visualization 2023 Short Papers, 5 pages, Melbourne, Australia, October 2023

  • Muhammad Naeem Akram, Si, Lei, and Guoning Chen. An embedded polygon strategy for quality improvement of 2d quadrilateral meshes with boundaries. In VISIGRAPP (1: GRAPP), pages 177–184, 2021

  • Yanhui Guo, Thomas A Rothfus, Amira S Ashour, Si, Lei, Chunlai Du, and Tih-Fen Ting. Varied channels region proposal and classification network for wildlife image classification under complex environment. IET Image Process., 14(4):585–591, 2020

  • Chunlai Du, Shenghui Liu, Si, Lei, Yanhui Guo, and Tong Jin. Using object detection network for malware detection and identification in network traffic packets. CMC-COMPUTERS MATERIALS & CONTINUA,64(3):1785–1796, 2020

  • Chunlai Du, Shenghui Liu, Yanhui Guo, Si, Lei, and Tong Jin. Detection and information extraction of similar basic blocks used for directed greybox fuzzing. In International Conference on Artificial Intelligence and Security, pages 353–364. Springer, 2020

  • Yanhui Guo, Amira S Ashour, Si, Lei, and Deep P Mandalaywala. Multiple convolutional neural network for skin dermoscopic image classification. In 2018 IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), pages 365–369. IEEE, 2018


Projects


Academic

Reviwer of Frontiers of Information Technology & Electronic Engineering

Reviwer of COMPUTER GRAPHICS INTERNATIONAL, Geneva 2024


Latest Post

Apr 3, 2023

Building a Mars Landscape with Blender

Today, I created a Mars landscape using Blender. The result was stunning, and I am thrilled with how beautiful the final product turned out to be. I incorporated a rover into the scene, which I downloaded from NASA, to add a sense of realism to the environment. Using Blender allowed me to unleash my creativity and develop my skills in 3D modeling and visualization.
All Posts

Contact

My current local time is .

lsi-at-uh-dot-edu