Li Xi

Computer Scientist at Anomalee Inc.
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Location
State College-DuBois Area

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Experience

    • United States
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Computer Scientist
      • Apr 2022 - Present

      Designed and developed an automatic quality control system to detect defects from high-resolution images for industrial pipes. Designed and developed an automatic quality control system to detect defects from high-resolution images for industrial pipes.

    • United States
    • Higher Education
    • 700 & Above Employee
    • Research Assistant
      • Jan 2022 - Present

      Backdoor Attacks and Defenses:- Planted backdoor attacks in deep neural networks (DNN) trained for 2D image classification, 3D point clouds classification, and regression tasks.- Devised post-training and in-flight detection systems against variable backdoor attack settings, benchmark datasets, and DNN architectures.- Proposed an efficient and effective method that achieves post-training backdoor mitigation by correcting the distribution alteration using reverse-engineered triggers.Defense Against Data Poisoning Attacks:- Applied Bayesian information criterion to address the embedded data poisoning (DP) scenario wherein, if DP is present, the poisoned samples are an a priori unknown subset of the training set. Show less

    • Teaching Assistant
      • Aug 2018 - Dec 2021

      - CMPSC465 Data Structures and Algorithms- CMPSC/MATH 451 Numerical Computations- CMPEN/EE 455 Digital Image Processing I

Education

  • Penn State University
    Doctor of Philosophy - PhD, Computer Science
    2018 - 2023
  • Penn State University
    Master of Science - MS, Computer Science
    2016 - 2018
  • Southeast University
    Bachelor of Engineering - BE, School of Information Science and Engineering
    2012 - 2016

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