Work Experience

Apple Inc.

Vision Scientist Intern, May 2024 - Aug 2024


Northeastern University

Ph.D., Vision Science, Advisor: Prof. Rhea Eskew, 2020 - 2025 (expected)

Brandeis University

Master of Arts, Vision Science, Advisor: Prof. Robert Sekuler, 2018 - 2020

Chongqing University

Bachelor of Engineering, Computer Science, 2014 - 2018

Research Experience

Perceptual Scaling and Discrimination
  • Designed and conducted many psychophysical experiments with MATLAB PsychToolBox. Analyzed results in MATLAB and R
  • Used Maximum Likelihood Difference Scaling (MLDS), and Two Alternative Forced Choice (2AFC) as main research methods
  • Developed mathematical models relating perceptual scales and visual discrimination, near and above thresholds, along multiple color directions in cone contrast space (Achromatic, S-cone isolating, etc)
  • Developed optimized code to automatically calibrate visual displays (CRTs, LED displays) in terms of brightness, temporal frequency, and color, using multiple devices (oscilloscopes, photometers, and spectroradiometers)
  • Presented results in Vision Science Society (VSS), Fall Vision Meeting (FVM)
Blurry Alphabet Recognition with Deep Learning
  • Trained deep learning neural networks to simulate the perceptual differences of alphabets under different spatial frequency conditions with PyTorch
  • Used attention map analysis to investigate how life-long exposure to different degrading levels influences perception
Frequency and Duration Influence Auditory Discrimination
  • Quantified how pure tone frequency and duration affect pitch discrimination thresholds, revealing the importance of both temporal and spectral cues
  • Carried out statistical analysis with R (hypothesis testing, logistic regression, ANOVA, etc.)

Selected Publications

Shi, Eskew (2024)

Asymmetries between achromatic increments and decrements: Perceptual scales and discrimination thresholds

Selected Presentations

Poster, Vision Science Society, May 2023

The Asymmetry between Achromatic Increments and Decrements in Perceptual Scaling and Discrimination

Poster, Fall Vision Meeting, Oct 2022

Achromatic Increments and Decrements are Different: the Relationship between Scaling and Discrimination

Talk, Vision Science Society, May 2022

Perceptual Scaling of Suprathreshold Chromatic Increments and Decrements Using Maximum Likelihood Difference Scaling


Computer Science

  • Algorithms and Data Structures
  • Deep Learning
  • Computer System
  • Computer Graphics
  • Operating System

Programming Languages

  • Python
  • C++
  • R

Vision Science

  • Psychophysics
  • Monitor Calibration
  • Color Space
  • Statistical analysis
  • Linear Algebra

Operating Systems

  • Linux
  • Windows
  • Mac OS