System Documentation

Architecture, Privacy & Empirical Results

Project Overview

The Federated Leukemia Diagnostics System represents a paradigm shift in clinical AI by combining:

  • Multimodal AI (Late-Fusion): Dual-input networks processing visual and tabular data simultaneously.
  • Federated Learning: Institutions train independently, sharing only model weights to create a master global model.
  • Privacy-by-Design: Zero patient data leaves institutional premises, secured further by Differential Privacy.

The Problem We Solve

Traditional ML requires moving raw, sensitive patient data to central servers, risking HIPAA violations and data breaches.

Our solution brings the model to the data. Institutional autonomy is preserved while achieving a global accuracy of 99.2%.

End-to-End Data Flow & Prediction Pipeline

1

Data Ingestion

User uploads Smear Image & inputs 9 Blood Report values

2

Preprocessing

Image resized to 224x224. Tabular data standardized via Scaler.

3

Model Inference

Data passes through CNN + MLP branches & fuses for Sigmoid output

4

XAI & Results

Diagnosis rendered alongside Grad-CAM heatmaps & Feature impacts

Model Architecture Blocks

Image Input

(224, 224, 3)

Conv2D (8) + L2

MaxPool + Dropout(0.3)

Conv2D (16) + L2

MaxPool + Dropout(0.35)

Global Average Pooling

Image Features

Dense(32) Vector

Clinical Tabular Input

(9 features)

Dense (16) + L2

ReLU + Dropout(0.4)

Clinical Features

Dense(8) Vector

Late Fusion (Concatenate)

(32 + 8 = 40 dimensional vector)

Dense (16) + ReLU + Dropout(0.4)

Dense (1) + Sigmoid

Leukemia Probability Output [0,1]