How It Works:

1. Camera looks at your face 📱
2. AI maps your face — Finds eyes, nose, mouth, shape 👤
3. AI remembers the map — Saves it in memory 💾
4. Next time you look at it, AI matches — "That's YOU!" ✅
5. UNLOCK! 🎉

Here's the Smart Part:

AI is smart enough to tell the difference between a REAL 3D FACE and a 2D PHOTO!

How? AI checks for depth! A photo is flat. Your face has depth — nose sticks out, eyes go in, etc.

How Filters Work:

1. AI finds your face 👤
2. AI locates key parts — Eyes, nose, mouth, head edges 📍
3. AI puts decorations — Dog ears stick to your head! 🐶
4. AI updates in REAL-TIME — Moves as you move! 🔄

Normal face:

AI finds: Eyes ✓ Nose ✓ Mouth ✓ → Filter works! 👤✨

What we learned about face recognition:

• AI finds faces — It maps key facial features
• AI learns patterns — Eyes, nose, mouth positions
• AI works in real-time — Fast enough for filters!
• AI can tell real from fake — 3D faces vs 2D photos
• AI handles changes — Silly faces, expressions, movements

Try These:

1. Open Snapchat or Instagram
2. Click the face/filter icon 📸
3. Try different filters — Which is your favorite?
4. Make silly faces — Does AI still recognize you?
5. Move around — Does the filter follow you?