🧠 Alzora – Rebuilding Memories for Alzheimer's Patients

Alzora is an AI-powered mobile application that helps Alzheimer's patients reconnect with their memories by reconstructing them from photos, voice inputs, and conversational cues. It acts as a digital memory companion, providing emotional support and meaningful recall for patients and caregivers.

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📱 Demo

🔗 [Coming Soon – Video Walkthrough or Screenshots]

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🌟 Features

• 🖼️ Memory Reconstruction from Images
  Detect faces and generate memory-style descriptions from uploaded photos using AI.

• 🔊 Voice-to-Memory Conversion
  Converts audio recordings into meaningful textual memories.

• 💬 AI Chatbot
  A friendly companion chatbot that recalls and narrates reconstructed memories upon user request.

• 🧠 Structured Memory Timeline
  Stores memories grouped by people, events, places, and emotions.

• 🔐 Secure Auth System
  JWT-based authentication with token blacklisting on logout to ensure secure memory access.

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🧩 Tech Stack

Layer	Technology
Mobile App	React Native (Expo)
Backend API	Node.js, Express.js
Database	PostgreSQL + Prisma ORM
Auth	JWT with Token Blacklisting in Database
AI Services	Python (DeepFace, Whisper, BLIP, HuggingFace Transformers)
Memory Store	JSON-based storage or PostgreSQL

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🧠 AI Tools Used

Task	Tool / Model
Face Recognition	DeepFace
Image Captioning	BLIP / BLIP-2
Speech Transcription	Whisper
Memory Summarization	BART / T5 (Hugging Face)
Entity Extraction	spaCy
Chatbot (LLM)	GPT-3.5 / Mistral / Phi-2

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🛡️ Security

• All memory data is tied to authenticated users.
• Tokens are invalidated on logout via a BlacklistedToken table.
• Sensitive inputs (photos, audio) are securely processed and stored.

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📂 Project Structure

📦 Alzora ├── backend │ ├── prisma │ ├── controllers │ ├── routes │ ├── middleware │ ├── app.js ├── mobile │ ├── screens │ ├── components │ ├── services │ ├── App.js ├── ai-services │ ├── captioning.py │ ├── face_recognition.py │ ├── speech_to_text.py ├── README.md

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🚀 Getting Started

Prerequisites

• Node.js
• PostgreSQL
• Python 3.8+
• Prisma CLI
• React Native CLI (or Expo)
• Install Whisper & DeepFace

Backend Setup

cd backend
npm install
npx prisma migrate dev --name init
npx prisma generate
npm start

AI Services (Python)

cd ai-services
pip install -r requirements.txt
# Run microservices (e.g., Flask/FastAPI)

Mobile App (Expo)

cd mobile
npm install
npx expo start

License

This project is licensed under the MIT License - see the LICENSE file for details.