Executive Summary

We collaborated with a radiology department at a hospital to pilot an AI-powered system for chest X-ray analysis. The solution focused on detecting pneumonia and lung nodules using computer vision, improving diagnostic accuracy, reducing radiologist workload, and accelerating patient care. This project served as a proof of concept for integrating AI into medical imaging workflows with minimal disruption.

About the Client

The client is a hospital renowned for its high-quality patient care and advanced radiology services. The hospital's radiology department processes a significant volume of chest X-rays daily, playing a crucial role in diagnosing respiratory and pulmonary conditions.

Faced with increasing demands and a need for faster, more accurate diagnoses, the hospital sought an innovative solution to address inefficiencies in their imaging workflow. Their focus was on leveraging AI to enhance diagnostic accuracy, prioritize critical cases, and reduce the workload on radiologists. This project marked their first step toward integrating AI-powered tools into medical imaging workflows, with the goal of improving patient care and operational efficiency.

Problem Statement

The hospital faced challenges in managing an increasing volume of chest X-rays, leading to delayed diagnoses, occasional errors, and inefficiencies in prioritizing critical cases. The goal was to develop a scalable AI solution to address these issues and enhance workflow efficiency.

Solution Overview

We developed a deep learning-based solution using a fine-tuned CNN model (ResNet-50) to detect abnormalities in chest X-rays. The pipeline included image preprocessing, model training, and cloud deployment, seamlessly integrated with the hospital’s system. The system provided automated detection, severity scoring, and prioritized reporting to support radiologists.

Key Components

#1 Data Preprocessing

  • Used Databricks to clean, standardize, and augment datasets.
  • Applied OpenCV for noise reduction and image enhancement.

#2 AI Model

  • Fine-tuned ResNet-50 CNN trained on CheXpert and NIH Chest X-ray datasets.

  • Employed TensorFlow/Keras for training and augmentation to handle imbalances.

#3 Deployment

  • Hosted on Azure AI for real-time inference and scalability.

#4 Feedback Mechanism

  • Integrated a feedback loop to collect radiologist inputs and iteratively improve model accuracy.

#5 Reporting Dashboard

  • Built using Power BI to provide insights into system performance and pilot results.

Tech Stack & Tools

Databricks

  • Data preprocessing and transformation.

TensorFlow/Keras

  • Model training and augmentation.

OpenCV

  • Image enhancement.

Azure AI

  • Cloud deployment and scalability.

Power BI

  • Performance monitoring and reporting.

Results

Efficiency Gains

Reduced reporting time by 25%.

Accuracy Improvement

Increased abnormality detection accuracy by 18%.

Adoption

90% of radiologists reported ease of use and trust in AI insights.

Future Potential

System designed to scale for other imaging modalities.

Team Composition

  • Project Manager: 1
  • Computer Vision Engineer: 1
  • Data Engineer: 1
  • Cloud Engineer: 1
  • Clinical Consultant: 1

Clientele

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