Case Studies

Deep dives into research, design, and engineering -- from neural attention models to brain-computer interfaces.

Interpretable Neural Attention for Medical Imaging

ML/AI Research Explainable AI Medical Imaging

Developed a Grad-CAM++ based explainability pipeline for chest X-ray classification. Trained a ResNet-50 model on 112k CheXpert images and built saliency alignment metrics that clinicians used to validate model predictions against radiologist annotations.

Key Deliverables

  • Research Paper
  • Model Architecture
  • Saliency Dashboard
  • Clinical Validation Report
89% saliency alignment with radiologist annotations

Simulating Quantum Entanglement Visualization

Computational Physics GPU Computing Scientific Visualization

Built GPU-accelerated tensor network simulations for multi-qubit entanglement dynamics. Created a real-time 3D rendering engine in WebGL that visualizes quantum state evolution, Bell inequality violations, and decoherence pathways for up to 8-qubit systems.

Key Deliverables

  • Simulation Engine
  • WebGL Renderer
  • Interactive Parameter Controls
  • Research Documentation
Real-time visualization of 8-qubit entanglement dynamics at 60fps

EEG-Driven Adaptive Learning Interface

Neuroscience Brain-Computer Interfaces EdTech

Designed a brain-computer interface prototype that uses EEG cognitive load signals to dynamically adjust educational content difficulty. Conducted a 40-participant study showing significant retention improvements when content pacing adapts to theta/alpha band ratios.

Key Deliverables

  • BCI Prototype
  • EEG Signal Processing Pipeline
  • Adaptive Algorithm
  • User Study Report
27% improvement in knowledge retention vs. static pacing

Multimodal Accessibility Toolkit

HCI Research Accessibility Open Source

Created an open-source evaluation toolkit for measuring multimodal interaction patterns across ability spectrums. Includes automated WCAG 2.2 auditing, gesture-tracking heuristics, and voice-interaction quality metrics tested across 200+ participants with diverse abilities.

Key Deliverables

  • Open-Source Toolkit
  • Evaluation Framework
  • Accessibility Heuristics
  • Research Paper
63% reduction in accessibility violations in tested applications

Fintech Onboarding Redesign -- From Friction to First Deposit

UX Discovery Behavioral Economics Fintech

Led a discovery-driven redesign of a digital banking onboarding flow. Applied behavioral economics principles (loss aversion framing, progress endowment effect) to reduce drop-off, validated through A/B testing with 12,000 users over 6 weeks.

Key Deliverables

  • Discovery Research Deck
  • Behavioral Analysis
  • A/B Test Design
  • Hi-fi Prototypes
41% drop-off reduction, 35% increase in first-week deposits

Intelligent Learning System

EdTech Learning Sciences Inclusive Design

Created a multimodal learning platform designed with accessibility-first principles from the TIILT lab at Northwestern. Integrated adaptive quiz mechanisms, progress dashboards, and collaborative learning spaces informed by learning science research.

Key Deliverables

  • Research Synthesis
  • Persona Development
  • Prototype Iterations
  • Accessibility Audit
92% learner satisfaction score in pilot testing