Ali Hacks 2024

The Challenge
Create an innovative solution that leverages AI to solve real-world problems in healthcare accessibility. Our team developed a diagnostic system that uses computer vision and natural language processing to provide preliminary health assessments from symptom descriptions and medical imagery.
Interactive ML Training Demo
Neural Network Training Visualization
Model Accuracy0.00%
Solution Architecture
Image Input
Medical imagery processing
→
CNN Model
Feature extraction
→
Analysis
Pattern matching
→
Results
Diagnostic report
Code Implementation
diagnostic_model.py
import tensorflow as tf
from tensorflow.keras import layers, models
import numpy as np
class DiagnosticModel:
def __init__(self):
self.model = self._build_model()
self.confidence_threshold = 0.85
def _build_model(self):
"""Build CNN architecture for medical image analysis"""
model = models.Sequential([
layers.Conv2D(32, (3, 3), activation='relu',
input_shape=(224, 224, 3)),
layers.MaxPooling2D((2, 2)),
layers.Conv2D(64, (3, 3), activation='relu'),
layers.MaxPooling2D((2, 2)),
layers.Conv2D(128, (3, 3), activation='relu'),
layers.GlobalAveragePooling2D(),
layers.Dropout(0.5),
layers.Dense(256, activation='relu'),
layers.Dense(5, activation='softmax') # 5 diagnostic categories
])
model.compile(
optimizer='adam',
loss='categorical_crossentropy',
metrics=['accuracy', 'AUC']
)
return model
def predict_with_confidence(self, image):
"""Make prediction with confidence score"""
processed_img = self.preprocess_image(image)
predictions = self.model.predict(processed_img)
max_confidence = np.max(predictions)
diagnosis = np.argmax(predictions)
if max_confidence < self.confidence_threshold:
return {
'diagnosis': 'Inconclusive',
'confidence': max_confidence,
'recommend': 'Consult healthcare professional'
}
return {
'diagnosis': self.decode_diagnosis(diagnosis),
'confidence': max_confidence,
'severity': self.assess_severity(predictions)
}Hackathon Timeline
00:00
Kickoff
Problem statement revealed
04:00
Ideation Complete
Decided on healthcare AI solution
12:00
MVP Ready
Basic model training complete
20:00
Final Push
UI polish and testing
24:00
🏆 Victory!
Presentation and 1st place win
Impact & Results
92%
Diagnostic Accuracy
0.3s
Average Response Time
5
Conditions Detected
1st
Place Winner
Tech Stack
Python
TensorFlow
FastAPI
React
Docker
AWS