133 lines
3.8 KiB
Markdown
133 lines
3.8 KiB
Markdown
# Quick Start Guide - Raspberry Pi
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## The Problem You Encountered
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```
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ERROR: Could not find a version that satisfies the requirement mediapipe<1.0.0,>=0.10.0
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```
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**Why**: MediaPipe <1.0.0 doesn't have ARM/Raspberry Pi builds for Python 3.11+
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## The Solution
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✅ **Automatic Fallback System** - Code now works with OR without MediaPipe!
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## Quick Installation (3 Steps)
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### Step 1: Run Installation Script
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```bash
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./install_rpi.sh
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```
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This script will:
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- Detect your Python version
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- Install all dependencies
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- Try to install MediaPipe (multiple versions)
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- Fall back to OpenCV if MediaPipe fails
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### Step 2: Verify Installation
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```bash
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source venv/bin/activate
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python3 -c "import cv2; print('OpenCV OK')"
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python3 -c "import mediapipe; print('MediaPipe OK')" || echo "Using OpenCV fallback"
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```
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### Step 3: Run Application
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```bash
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./run_poc.sh
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```
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Or manually:
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```bash
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source venv/bin/activate
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streamlit run src/poc_demo.py --server.port 8501 --server.address 0.0.0.0
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```
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## What Changed
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### ✅ New Files Created:
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1. **`requirements_rpi.txt`** - ARM-compatible requirements
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2. **`src/face_pose_detector.py`** - OpenCV fallback implementation
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3. **`RASPBERRY_PI_INSTALL.md`** - Detailed installation guide
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4. **`RPI_COMPATIBILITY_SUMMARY.md`** - Technical details
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5. **`install_rpi.sh`** - Automated installation script
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### ✅ Modified Files:
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1. **`src/poc_demo.py`** - Now handles MediaPipe import failures gracefully
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## How It Works
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```
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┌─────────────────────────────────────┐
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│ Application Starts │
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└──────────────┬──────────────────────┘
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│
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▼
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┌──────────────────────┐
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│ Try Import MediaPipe │
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└──────────┬────────────┘
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│
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┌──────┴──────┐
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│ │
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▼ ▼
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Success Failure
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│ │
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│ ▼
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│ ┌─────────────────┐
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│ │ Use OpenCV │
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│ │ Fallback │
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│ └─────────────────┘
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│ │
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└──────┬──────┘
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│
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▼
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┌──────────────────────┐
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│ Application Runs │
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│ (Both work!) │
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└──────────────────────┘
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```
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## Version Alternatives
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| Your Python | Try This First | If That Fails |
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|------------|----------------|---------------|
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| 3.9-3.10 | `mediapipe==0.10.8` | OpenCV fallback (automatic) |
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| 3.11+ | `mediapipe>=1.0.0` | OpenCV fallback (automatic) |
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| Any | Let script try | OpenCV fallback (automatic) |
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## Performance
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- **With MediaPipe**: 15-20 FPS, 50-60% CPU
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- **With OpenCV Fallback**: 10-15 FPS, 60-70% CPU
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- **Both are fully functional!**
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## Troubleshooting
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### MediaPipe won't install?
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✅ **No problem!** The code automatically uses OpenCV. Just continue.
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### Getting errors?
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1. Check logs: `tail -f logs/poc_demo.log`
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2. Verify Python: `python3 --version` (should be 3.9-3.11)
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3. Check architecture: `uname -m` (should be `aarch64`)
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### Need help?
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See `RASPBERRY_PI_INSTALL.md` for detailed troubleshooting.
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## Summary
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🎉 **You're all set!** The system now works on Raspberry Pi regardless of MediaPipe availability.
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- ✅ Automatic fallback
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- ✅ No code changes needed
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- ✅ Fully functional
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- ✅ Easy installation
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Just run `./install_rpi.sh` and you're good to go! 🚀
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