---
title: Crop Disease Detection API
emoji: 🌱
colorFrom: green
colorTo: blue
sdk: docker
app_port: 7860
pinned: false
license: mit
tags:
  - computer-vision
  - agriculture
  - disease-detection
  - fastapi
  - pytorch
  - resnet50
  - grad-cam
  - crop-monitoring
short_description: AI-powered crop disease detection for plants
---

# 🌱 Crop Disease Detection API

[![Python](https://img.shields.io/badge/Python-3.9%2B-blue.svg)](https://python.org)
[![PyTorch](https://img.shields.io/badge/PyTorch-2.1.0-red.svg)](https://pytorch.org)
[![FastAPI](https://img.shields.io/badge/FastAPI-0.104.0-green.svg)](https://fastapi.tiangolo.com)
[![Hugging Face Spaces](https://img.shields.io/badge/🤗%20Hugging%20Face-Spaces-blue)](https://huggingface.co/spaces)
[![License](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE)

A RESTful API for AI-powered crop disease detection using deep learning to identify diseases in pepper, potato, and tomato crops from leaf images. The API provides accurate disease classification, risk assessment, Grad-CAM visualizations, and treatment recommendations.

> **🚀 Production Ready**: FastAPI-based REST API optimized for Hugging Face Spaces deployment with Docker. All features preserved from the original Streamlit implementation.

## 🎯 API Overview

This FastAPI service provides a comprehensive crop disease detection pipeline that:
- **Detects 15 different diseases** across pepper, potato, and tomato crops
- **Provides visual explanations** using Grad-CAM heatmaps
- **Offers treatment recommendations** from an integrated knowledge base
- **Calculates risk levels** based on confidence and environmental factors
- **RESTful endpoints** for health checks, predictions, visualizations, and status tracking
- **🚀 Deployment Ready**: Optimized for Hugging Face Spaces with Docker support

### 🏆 Key Features

- **🤖 AI Model**: ResNet50-based transfer learning with 26.1M parameters (V3)
- **📊 Disease Classes**: 15 classes including healthy variants for each crop
- **🎨 Visual Explanations**: Grad-CAM heatmaps highlighting infected regions
- **📚 Knowledge Base**: Comprehensive disease information with symptoms and treatments
- **⚡ Real-time Processing**: Fast inference with GPU/CPU support and progress tracking
- **🌐 REST API**: FastAPI with automatic OpenAPI documentation
- **🖥️ CLI Tool**: Command-line interface for batch processing (preserved)
- **📓 Training Pipeline**: Complete model training and evaluation system (preserved)

## 📁 Project Structure

```
diseases_aicrop/
├── � app.py                   # FastAPI application (main API server)
├── 📄 requirements.txt         # Python dependencies (FastAPI + ML)
├── 📄 Dockerfile               # Docker container configuration
├── 📄 DEPLOYMENT_GUIDE.md      # Detailed deployment instructions
├── 📄 README.md                # This file
├── 📂 src/                     # Core modules
│   ├── model.py               # ResNet50 model definition
│   ├── explain.py             # Grad-CAM explainer
│   ├── risk_level.py          # Risk assessment calculator
│   ├── predict_cli.py         # CLI tool (preserved)
│   ├── train.py               # Model training (preserved)
│   └── evaluate.py            # Model evaluation (preserved)
├── 📂 models/                  # Trained model weights
│   ├── crop_disease_v3_model.pth      # Latest V3 model (preferred)
│   └── crop_disease_v2_model.pth      # V2 model (fallback)
├── 📂 knowledge_base/          # Disease information database
│   └── disease_info.json      # Symptoms, treatments, prevention
├── 📂 notebooks/               # Training and analysis (preserved)
│   └── train_resnet50.ipynb   # Model training notebook
├── 📂 data/                    # Dataset (preserved for retraining)
│   └── raw/                   # Original dataset
└── 📂 outputs/                 # Evaluation results (preserved)
├── 📂 notebooks/               # Jupyter notebooks
│   └── train_resnet50.ipynb   # Training notebook
├── 📂 outputs/                 # Results and visualizations
│   ├── heatmaps/              # Grad-CAM visualizations
│   └── *.json                 # Evaluation results
├── 📂 src/                     # Core source code
│   ├── dataset.py             # Data loading and preprocessing
│   ├── model.py               # ResNet50 architecture
│   ├── train.py               # Training pipeline
│   ├── evaluate.py            # Model evaluation
│   ├── explain.py             # Grad-CAM explanations
│   ├── risk_level.py          # Risk assessment logic
│   └── predict_cli.py         # CLI predictor
├── 📂 tests/                   # Unit tests
├── crop_disease_gui.py         # Tkinter GUI application
├── requirements.txt            # Main dependencies
└── TRAINING_REPORT.md          # Performance analysis
```

## 🛠️ Technology Stack

### Core Technologies
- **Deep Learning**: PyTorch 2.1.0, torchvision 0.16.0
- **Model Architecture**: ResNet50 with transfer learning
- **Web Framework**: Streamlit 1.28.0+
- **Computer Vision**: OpenCV, PIL/Pillow
- **Visualization**: Grad-CAM, matplotlib

### Dependencies
- **Core ML**: PyTorch, torchvision, numpy
- **Image Processing**: OpenCV-Python, Pillow
- **Web Interface**: Streamlit
- **Visualization**: matplotlib, grad-cam
- **Utilities**: requests, tqdm, pydantic

### Development Tools
- **Environment**: Python 3.9+ (Docker: python:3.9-slim)
- **Notebooks**: Jupyter/Google Colab support
- **Deployment**: Docker + Hugging Face Spaces
- **Version Control**: Git
- **Local Development**: Optimized for Windows PowerShell

## 🚀 Installation & Setup

### Prerequisites
- Python 3.8 or higher
- pip package manager
- (Optional) CUDA-compatible GPU for faster training

### 1. Clone Repository
```bash
git clone https://github.com/vivek12coder/AiCropDiseasesDetection.git
cd AiCropDiseasesDetection
```

### 2. Create Virtual Environment
```powershell
# Windows PowerShell (recommended)
python -m venv .venv
.\.venv\Scripts\Activate.ps1

# Alternative for Command Prompt
python -m venv .venv
.venv\Scripts\activate.bat

# macOS/Linux
python -m venv .venv
source .venv/bin/activate
```

### 3. Install Dependencies
```powershell
# Install main dependencies
pip install -r requirements.txt

# For API development (optional)
pip install -r api/requirements.txt
```

### 4. Pre-trained Model
The repository includes the latest pre-trained model:
- `models/crop_disease_v3_model.pth` - Latest V3 model (recommended)

> **Note**: Older model versions have been removed to keep the project clean. Only the latest, best-performing model is included.

### 5. Verify Installation
```bash
python -c "import torch; print(f'PyTorch: {torch.__version__}')"
python -c "import torchvision; print(f'TorchVision: {torchvision.__version__}')"
```

## 📖 API Usage Guide

### 🚀 Quick Start

Start the FastAPI server locally:

```powershell
# Run the FastAPI application
python app.py
```

The API will be available at:
- **API Base URL**: http://localhost:7860
- **Interactive Docs**: http://localhost:7860/docs
- **Alternative Docs**: http://localhost:7860/redoc

### 🌐 API Endpoints

#### 1. Health Check
Check API and model status:
```bash
curl -X GET "http://localhost:7860/health"
```

**Response:**
```json
{
  "status": "healthy",
  "model_loaded": true,
  "model_version": "crop_disease_v3_model.pth",
  "available_endpoints": ["/health", "/predict", "/gradcam/{task_id}", "/status/{task_id}"],
  "timestamp": "2024-01-01T12:00:00",
  "device": "cuda:0"
}
```

#### 2. Disease Prediction
Upload an image for disease detection:
```bash
curl -X POST "http://localhost:7860/predict" \
  -H "Content-Type: multipart/form-data" \
  -F "file=@test_leaf_sample.jpg" \
  -F "include_gradcam=true"
```

**Response:**
```json
{
  "success": true,
  "predicted_class": "Tomato_Late_blight",
  "crop": "Tomato",
  "disease": "Late_blight",
  "confidence": 0.95,
  "all_probabilities": {
    "Tomato_Late_blight": 0.95,
    "Tomato_Early_blight": 0.03,
    "Tomato_healthy": 0.02
  },
  "risk_level": "High",
  "processing_time": 2.3,
  "task_id": "550e8400-e29b-41d4-a716-446655440000"
}
```

#### 3. Grad-CAM Visualization
Get the heatmap for a prediction:
```bash
curl -X GET "http://localhost:7860/gradcam/550e8400-e29b-41d4-a716-446655440000"
```

**Response:**
```json
{
  "success": true,
  "heatmap_base64": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...",
  "explanation": "Grad-CAM heatmap showing areas the AI model focused on for prediction",
  "task_id": "550e8400-e29b-41d4-a716-446655440000",
  "processing_time": 1.2
}
```

#### 4. Processing Status
Track processing progress:
```bash
curl -X GET "http://localhost:7860/status/550e8400-e29b-41d4-a716-446655440000"
```

**Response:**
```json
{
  "task_id": "550e8400-e29b-41d4-a716-446655440000",
  "status": "completed",
  "progress": 100,
  "message": "Analysis completed successfully",
  "timestamp": "2024-01-01T12:00:30"
}
```

#### 5. Disease Information
Get detailed disease information:
```bash
curl -X GET "http://localhost:7860/disease-info?crop=Tomato&disease=Late_blight"
```

### � Python Client Example

```python
import requests
import json
from PIL import Image
import base64
import io

# API base URL
API_BASE = "http://localhost:7860"

# 1. Health check
response = requests.get(f"{API_BASE}/health")
print("Health Check:", response.json())

# 2. Predict disease
with open("test_leaf_sample.jpg", "rb") as f:
    files = {"file": f}
    data = {
        "weather_data": json.dumps({
            "humidity": 70.0,
            "temperature": 22.0,
            "rainfall": 5.0
        }),
        "include_gradcam": True
    }
    response = requests.post(f"{API_BASE}/predict", files=files, data=data)
    prediction = response.json()
    
print("Prediction:", prediction)
task_id = prediction["task_id"]

# 3. Get Grad-CAM visualization
import time
time.sleep(2)  # Wait for background processing
response = requests.get(f"{API_BASE}/gradcam/{task_id}")
if response.status_code == 200:
    gradcam = response.json()
    # Decode and display heatmap
    heatmap_data = base64.b64decode(gradcam["heatmap_base64"].split(",")[1])
    heatmap_image = Image.open(io.BytesIO(heatmap_data))
    heatmap_image.show()

# 4. Get disease information
crop = prediction["crop"]
disease = prediction["disease"]
response = requests.get(f"{API_BASE}/disease-info", params={"crop": crop, "disease": disease})
disease_info = response.json()
print("Disease Info:", disease_info)
```

### 🖥️ CLI Tool (Preserved)

For batch processing or scripting:

```powershell
# Single image prediction
python -m src.predict_cli -i test_leaf_sample.jpg -m models\crop_disease_v3_model.pth

# With custom settings
python -m src.predict_cli -i your_image.jpg --output-dir results/
```

### 📊 Model Training & Evaluation (Preserved)

Original training and evaluation capabilities remain intact:

```powershell
# Evaluate existing model
python -m src.evaluate

# Train new model
python -m src.train

# Generate visual explanations
python -m src.explain
```

### � Jupyter Notebooks (Preserved)

Explore the training process interactively:

```powershell
jupyter notebook notebooks/train_resnet50.ipynb
```
4. **View Results**: See detailed analysis in results panel

## 🎯 Model Performance

### Current Performance (V3 Model)
- **Model Architecture**: ResNet50 with custom classifier layers
- **Parameters**: 26.1M total parameters
- **Input Size**: 224x224 RGB images
- **Classes**: 15 disease classes across 3 crops
- **Inference Speed**: ~0.1 seconds per image on CPU

### Supported Disease Classes

**Pepper Diseases:**
- Bell Pepper Bacterial Spot
- Bell Pepper Healthy

**Potato Diseases:**
- Early Blight
- Late Blight
- Healthy

**Tomato Diseases:**
- Target Spot
- Tomato Mosaic Virus
- Tomato Yellow Leaf Curl Virus
- Bacterial Spot
- Early Blight
- Late Blight
- Leaf Mold
- Septoria Leaf Spot
- Spider Mites (Two-spotted)
- Healthy

> **Note**: The model has been trained on limited data. For production use, consider collecting more training samples per class.

## 🔧 Configuration

### Environment Variables
```powershell
# Optional: Set device preference
$env:TORCH_DEVICE="cuda"  # or 'cpu'

# Optional: Set model path
$env:MODEL_PATH="models/crop_disease_v3_model.pth"
```

### API Configuration
Edit `api/main.py` for production settings:
- CORS origins
- Authentication
- Rate limiting
- Logging levels

## 🚀 Deployment

### 🤗 Hugging Face Spaces (Recommended)

The project is ready for one-click deployment on Hugging Face Spaces:

1. **Fork/Clone** this repository
2. **Create a new Space** on [Hugging Face Spaces](https://huggingface.co/spaces)
3. **Select "Docker" SDK** when creating the Space
4. **Upload the project files** or connect your Git repository
5. **Wait for build** (5-10 minutes) and your app will be live!

**📖 Detailed Instructions**: See [DEPLOY_INSTRUCTIONS.md](DEPLOY_INSTRUCTIONS.md)

### 🖥️ Local Streamlit App

```powershell
# Install dependencies
pip install -r requirements.txt

# Run Streamlit app
streamlit run app.py

# Open browser to: http://localhost:8501
```

### 🐳 Docker Deployment

```powershell
# Build image
docker build -t crop-disease-ai .

# Run container
docker run -p 7860:7860 crop-disease-ai

# Open browser to: http://localhost:7860
```

### Local Development
```powershell
# GUI Application
python crop_disease_gui.py

# API Server
python -m api.main

# CLI Prediction
python -m src.predict_cli -i test_leaf_sample.jpg
```

### Local (Non-Docker) Quick Start

Use these steps on Windows PowerShell to run locally without Docker:

```powershell
python -m venv .venv
.\.venv\Scripts\Activate.ps1
pip install -r requirements.txt
# Optional: API extras
pip install -r api/requirements.txt

# Evaluate model
python -m src.evaluate

# Run API
python -m api.main

# Single-image CLI prediction
python -m src.predict_cli -i test_leaf_sample.jpg -m models\crop_disease_v3_model.pth
```

### Cloud Deployment
The API is ready for deployment on:
- **AWS**: EC2, Lambda, ECS
- **Google Cloud**: Cloud Run, Compute Engine
- **Azure**: Container Instances, App Service
- **Heroku**: Container deployment

## 🤝 Contributing

### Development Setup
1. Fork the repository
2. Create feature branch: `git checkout -b feature/new-feature`
3. Make changes and test thoroughly
4. Submit pull request with detailed description

### Contribution Guidelines
- Follow PEP 8 style guidelines
- Add unit tests for new features
- Update documentation for API changes
- Ensure backward compatibility

### Areas for Contribution
- **Data Collection**: Expand disease image dataset
- **Model Improvements**: Experiment with new architectures
- **Feature Enhancement**: Add new crops/diseases
- **Performance Optimization**: Speed and accuracy improvements
- **Documentation**: Tutorials and examples

## 📄 License

This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.

## 👥 Authors & Acknowledgments

**Project Team:**
- **Lead Developer**: [Your Name]
- **AI/ML Engineer**: [Team Member]
- **Data Scientist**: [Team Member]

**Acknowledgments:**
- PlantVillage dataset for training data
- PyTorch team for deep learning framework
- FastAPI team for web framework
- Open source community for various tools

## 📞 Support & Contact

### Getting Help
- **Documentation**: Check this README and code comments
- **Issues**: Create GitHub issue for bugs/feature requests
- **Discussions**: Use GitHub discussions for questions

### Contact Information
- **GitHub Repository**: https://github.com/vivek12coder/AiCropDiseasesDetection
- **Issues**: Create GitHub issue for bugs/feature requests
- **Project Owner**: @vivek12coder

## 🔮 Future Roadmap

### Phase 1: Data Enhancement (Weeks 1-2)
- [ ] Collect 1000+ images per disease class
- [ ] Implement advanced data augmentation
- [ ] Create balanced train/val/test splits

### Phase 2: Model Optimization (Weeks 3-4)
- [ ] Experiment with EfficientNet, MobileNet
- [ ] Implement ensemble methods
- [ ] Add uncertainty estimation

### Phase 3: Feature Expansion (Weeks 5-6)
- [ ] Add more crop types (rice, wheat, etc.)
- [ ] Implement real-time video processing
- [ ] Mobile app development

### Phase 4: Production Enhancement (Weeks 7-8)
- [ ] Cloud deployment with auto-scaling
- [ ] Monitoring and logging system
- [ ] User analytics and feedback system

---

## 📊 Quick Start Checklist

- [ ] Install Python 3.8+
- [ ] Clone repository
- [ ] Install dependencies: `pip install -r requirements.txt`
- [ ] Test GUI: `python crop_disease_gui.py`
- [ ] Test API: `python -m api.main`
- [ ] Test CLI: `python -m src.predict_cli -i test_leaf_sample.jpg`
- [ ] Upload test image and verify results
- [ ] Explore API documentation at http://127.0.0.1:8000/docs

**🎉 Ready to detect crop diseases with AI!**