AI-Powered COVID-19 Detection via Chest X-Rays by Dylan GuidryAI-Powered COVID-19 Detection via Chest X-Rays by Dylan Guidry

AI-Powered COVID-19 Detection via Chest X-Rays

Dylan Guidry

Dylan Guidry

🔹 Problem
During the COVID-19 pandemic, hospitals faced an overwhelming surge of patients needing diagnosis. Traditional testing methods such as PCR were accurate but often slow or limited in availability. Radiologists began exploring chest X-ray imaging as a rapid screening tool, but manual review was time-consuming and error-prone.
The client required an AI system that could quickly analyze chest X-rays to detect signs of COVID-19 infection and assist doctors in triaging patients faster.
🔹 Solution
I built a TensorFlow/Keras deep learning model with OpenCV preprocessing to classify chest X-rays as COVID-positive or negative.
Applied augmentation & normalization to improve accuracy on limited medical data.
Fine-tuned a pre-trained CNN (transfer learning).
Achieved ~92% accuracy, with 100% sensitivity (no positive cases missed).
🔹 Impact
✅ Rapid triage — results in seconds, not minutes. ✅ Supported doctors during peak pandemic workloads. ✅ Scalable framework for detecting other lung diseases.
🔹 Tech Stack
TensorFlow · Keras · OpenCV
👉 Result: Delivered an AI screening assistant that helped healthcare teams diagnose COVID-19 faster and more accurately.
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Posted Oct 1, 2025

Developed AI to analyze chest X-rays for COVID-19 detection, achieving 92% accuracy.