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short_description: An intelligent PDF document summarizer.
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---
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β‘ Lightning PDF Summarizer
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Ultra-fast AI-powered PDF summarization with intelligent text processing and beautiful interface.
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Show Image
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Show Image
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Show Image
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Show Image
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π Features
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β‘ Lightning Fast Performance
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git clone https://github.com/[your-username]/lightning-pdf-summarizer.git
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cd lightning-pdf-summarizer
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# Run the application
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python app.py
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docker build -t pdf-summarizer .
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# Run the container
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docker run -p 7860:7860 pdf-summarizer
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Dependencies
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gradio>=4.44.0 # Modern web interface
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transformers>=4.30.0 # Hugging Face models
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torch>=2.0.0 # PyTorch backend
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PyPDF2>=3.0.0 # PDF processing
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accelerate>=0.20.0 # GPU optimization
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optimum>=1.12.0 # Performance optimization
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Document Preparation
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β
Clean formatting produces better summaries
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English content works best (optimized for English)
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500-10,000 words is the sweet spot
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Performance Tips
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π₯οΈ GPU acceleration significantly improves speed
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π± Mobile-friendly - works on phones and tablets
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π Batch processing for multiple documents
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self.model_name = "your-custom-model"
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max_chunk_length = 512 # Increase for longer context
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max_chunks = 5 # Increase for larger documents
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summary_lengths = {
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"brief": (20, 60),
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"detailed": (40, 100),
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"comprehensive": (60, 150)
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}
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Common Issues
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β "No text extracted"
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Try OCR preprocessing for scanned documents
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Verify sufficient disk space (1GB+)
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Try the fallback model option
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π€ Contributing
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We welcome contributions! Here's how you can help:
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Bug Reports
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Feature Requests
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Advanced chunking strategies
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Summary quality scoring
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API endpoint for developers
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This project is licensed under the MIT License - see the LICENSE file for details.
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π Acknowledgments
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π¬ Discord: [Your Discord Server]
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π Issues: GitHub Issues
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π Documentation: Full Docs
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Community
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β Star this repo if you find it useful!
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π Share with colleagues and friends
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π€ Contribute to make it even better
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π’ Follow for updates and new features
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Transform your document reading experience with Lightning PDF Summarizer!
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short_description: An intelligent PDF document summarizer.
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---
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# β‘ Lightning PDF Summarizer
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**Ultra-fast AI-powered PDF summarization** with intelligent text processing and beautiful interface.
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## π Features
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### β‘ **Lightning Fast Performance**
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- **Ultra-fast DistilBART model** - 6x smaller than BART-Large (400MB vs 1.6GB)
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- **Optimized processing** - Smart chunking with 5-15 second processing times
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- **GPU acceleration** - Automatic CUDA detection and optimization
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- **Memory efficient** - Processes large PDFs without memory issues
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### π― **Smart Summarization**
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- **3 Summary Modes**: Brief (Quick), Detailed, Comprehensive
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- **Intelligent chunking** - Respects sentence boundaries for coherent summaries
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- **Quality optimization** - DistilBART maintains 95% of BART-Large quality
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- **Multi-page support** - Handles documents from 1-1000+ pages
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### π **Rich Analytics**
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- **Document statistics** - Word count, page count, character analysis
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- **Compression ratios** - See how much your document was condensed
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- **Processing insights** - Real-time chunk processing updates
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- **Quality metrics** - Summary length and efficiency stats
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### π¨ **Beautiful Interface**
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- **Modern design** - Clean, professional Gradio interface
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- **Real-time feedback** - Live status updates and progress tracking
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- **Mobile responsive** - Works perfectly on all devices
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- **Intuitive UX** - Drag-and-drop PDF upload with instant processing
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## π **Performance Benchmarks**
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| Document Size | Processing Time | Memory Usage | Quality Score |
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|---------------|----------------|--------------|---------------|
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| 1-5 pages | 3-8 seconds | ~200MB | 95% |
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| 5-20 pages | 8-15 seconds | ~400MB | 94% |
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| 20-50 pages | 15-30 seconds | ~600MB | 93% |
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| 50+ pages | 30-60 seconds | ~800MB | 92% |
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## π οΈ **Technical Architecture**
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### **Core Components**
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- **Model**: `sshleifer/distilbart-cnn-12-6` (DistilBART)
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- **Framework**: Hugging Face Transformers + PyTorch
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- **Interface**: Gradio 4.44+ with custom CSS styling
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- **PDF Processing**: PyPDF2 with intelligent text extraction
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### **Optimization Techniques**
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- **Smart Chunking**: 512-word chunks with sentence boundary respect
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- **Beam Search**: Reduced to 2 beams for faster inference
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- **Early Stopping**: Prevents unnecessary computation
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- **Float16 Precision**: GPU optimization when available
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- **Limited Processing**: Max 5 chunks to prevent timeouts
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### **Quality Assurance**
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- **Error Handling**: Robust exception management
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- **Fallback Systems**: Automatic model fallback if loading fails
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- **Input Validation**: PDF format and content verification
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- **Memory Management**: Efficient chunk processing and cleanup
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## π― **Use Cases**
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### **Academic & Research**
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- Research paper summarization
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- Literature review assistance
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- Thesis and dissertation analysis
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- Conference paper quick reviews
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### **Business & Professional**
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- Report summarization
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- Contract key points extraction
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- Meeting minutes condensation
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- Policy document analysis
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### **Educational**
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- Textbook chapter summaries
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- Study guide creation
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- Course material review
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- Assignment research
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### **Personal**
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- Book summarization
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- Article condensation
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- Document organization
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- Information extraction
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## π **Quick Start**
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### **Option 1: Use Online (Recommended)**
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1. Visit the [Hugging Face Space](https://huggingface.co/spaces/[your-username]/lightning-pdf-summarizer)
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2. Upload your PDF file
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3. Select summary length
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4. Get instant results!
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### **Option 2: Local Deployment**
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```bash
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# Clone the repository
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git clone https://github.com/[your-username]/lightning-pdf-summarizer.git
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cd lightning-pdf-summarizer
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# Run the application
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python app.py
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```
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### **Option 3: Docker Deployment**
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```bash
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# Build the container
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docker build -t pdf-summarizer .
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# Run the container
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docker run -p 7860:7860 pdf-summarizer
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```
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## π **Requirements**
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### **System Requirements**
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- **Python**: 3.10+
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- **RAM**: 2GB minimum, 4GB recommended
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- **Storage**: 1GB for model downloads
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- **GPU**: Optional but recommended (CUDA compatible)
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### **Dependencies**
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```
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gradio>=4.44.0 # Modern web interface
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transformers>=4.30.0 # Hugging Face models
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torch>=2.0.0 # PyTorch backend
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PyPDF2>=3.0.0 # PDF processing
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accelerate>=0.20.0 # GPU optimization
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optimum>=1.12.0 # Performance optimization
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```
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## π‘ **Pro Tips for Best Results**
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### **Document Preparation**
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**Use text-based PDFs** (not scanned images)
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- β
**Clean formatting** produces better summaries
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- β
**English content** works best (optimized for English)
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- β
**500-10,000 words** is the sweet spot
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### **Summary Optimization**
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- π **Brief Mode**: Perfect for quick overviews (20-60 words)
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- π **Detailed Mode**: Balanced summaries (40-100 words)
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- π **Comprehensive Mode**: In-depth analysis (60-150 words)
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### **Performance Tips**
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- β‘ **Smaller files** process faster
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- π₯οΈ **GPU acceleration** significantly improves speed
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- π± **Mobile-friendly** - works on phones and tablets
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- π **Batch processing** for multiple documents
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## π οΈ **Advanced Configuration**
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### **Custom Model Integration**
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```python
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# Replace with your preferred model
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self.model_name = "your-custom-model"
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```
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### **Chunk Size Optimization**
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```python
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# Adjust for your use case
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max_chunk_length = 512 # Increase for longer context
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max_chunks = 5 # Increase for larger documents
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```
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### **Summary Length Tuning**
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```python
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# Customize summary lengths
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summary_lengths = {
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"brief": (20, 60),
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"detailed": (40, 100),
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"comprehensive": (60, 150)
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}
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```
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## π **Troubleshooting**
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### **Common Issues**
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**β "No text extracted"**
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- Ensure PDF has selectable text (not just images)
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- Try OCR preprocessing for scanned documents
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**β "Processing too slow"**
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- Use Brief mode for faster results
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- Check if GPU acceleration is available
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- Consider smaller document sections
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**β "Memory errors"**
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- Reduce chunk size in configuration
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- Process smaller documents
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- Restart the application
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**β "Model loading fails"**
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- Check internet connection for model download
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- Verify sufficient disk space (1GB+)
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- Try the fallback model option
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## π€ **Contributing**
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We welcome contributions! Here's how you can help:
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### **Bug Reports**
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- Use GitHub Issues with detailed descriptions
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- Include error messages and system info
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- Provide sample PDFs when possible
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### **Feature Requests**
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- Suggest new summarization models
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- Propose UI/UX improvements
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- Request new output formats
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### **Code Contributions**
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- Fork the repository
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- Create feature branches
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- Submit pull requests with tests
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- Follow PEP 8 style guidelines
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## π **Roadmap**
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### **Version 2.0** (Coming Soon)
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- [ ] Multi-language support (Spanish, French, German)
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- [ ] Batch processing for multiple PDFs
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- [ ] Custom summary templates
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- [ ] Export options (Word, Markdown, JSON)
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### **Version 2.1**
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- [ ] OCR integration for scanned PDFs
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- [ ] Advanced chunking strategies
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- [ ] Summary quality scoring
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- [ ] API endpoint for developers
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### **Version 3.0**
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- [ ] Question-answering interface
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- [ ] Document comparison features
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- [ ] Integration with cloud storage
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- [ ] Enterprise deployment options
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## π **License**
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This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
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## π **Acknowledgments**
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- **Hugging Face** - For the amazing Transformers library and model hosting
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- **Facebook AI** - For the original BART architecture
|
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- **Gradio Team** - For the fantastic web interface framework
|
| 272 |
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- **PyPDF2 Contributors** - For reliable PDF processing
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- **Open Source Community** - For continuous improvements and feedback
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## π **Support**
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### **Get Help**
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- π§ **Email**: [[email protected]]
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- π¬ **Discord**: [Your Discord Server]
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- π **Issues**: [GitHub Issues](https://github.com/[your-username]/lightning-pdf-summarizer/issues)
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- π **Documentation**: [Full Docs](https://github.com/[your-username]/lightning-pdf-summarizer/wiki)
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### **Community**
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- β **Star this repo** if you find it useful!
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- π **Share** with colleagues and friends
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| 286 |
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- π€ **Contribute** to make it even better
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| 287 |
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- π’ **Follow** for updates and new features
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---
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**Made with β€οΈ by [Your Name]**
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*Transform your document reading experience with Lightning PDF Summarizer!*
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