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# Magic Crop β¨πͺ
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A powerful AI-powered image cropping tool that intelligently crops images to preserve maximum pixels while removing unwanted elements like watermarks. Uses the Florence-2-large vision-language model for accurate object detection and smart cropping decisions.
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## π Features
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- **AI-Powered Detection**: Uses Florence-2-large model for accurate object detection
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- **Smart Cropping**: Automatically determines the best crop direction (above, below, left, or right)
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- **Object-Aware Cropping**: Optional feature to avoid cropping other important objects
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- **Batch Processing**: Process multiple images efficiently with configurable batch sizes
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- **Recursive Folder Processing**: Handle entire directory structures
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- **Customizable Prompts**: Detect any object type, not just watermarks
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- **Crop Threshold Protection**: Skip images that would require excessive cropping
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- **Error Handling**: Robust error handling with optional file organization
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- **GPU Acceleration**: Automatic CUDA detection for faster processing
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## π Requirements
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- Python 3.7+
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- PyTorch
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- Transformers
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- PIL (Pillow)
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- tqdm
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- Florence-2-large model (local model provided)
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## π οΈ Installation
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1. **Install Python dependencies**:
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```bash
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pip install requirements.txt
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```
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2. **Download Florence-2-large model**:
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- Place the Florence-2-large model files in a `./Florence-2-large/` directory relative to the script (automatically downloaded with huggingface-cli)
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- The script expects local model files (`local_files_only=True`)
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## π Usage
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### Basic Usage
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```bash
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python crop.py input_image.jpg --prompt "watermark"
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```
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### Process Multiple Images
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```bash
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python crop.py image1.jpg image2.jpg image3.jpg -o output_folder
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```
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### Process Folders Recursively
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```bash
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python crop.py /path/to/images/ -r -o /path/to/output/
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```
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### Advanced Usage with Object-Aware Cropping
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```bash
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python crop.py /path/to/images/ -r -o output/ --object-aware --crop-threshold 15 --prompt "logo"
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```
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## π Command-Line Arguments
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| Argument | Type | Default | Description |
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| :-- | :-- | :-- | :-- |
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| `input_paths` | str+ | Required | Paths to input images or folders |
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| `-r, --recursive` | flag | False | Process folders recursively |
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| `-o, --output_folder` | str | Input path | Output folder path |
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| `--bs` | int | 1 | Batch size for processing |
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| `--prompt` | str | "Watermark" | Object detection prompt |
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| `--object-aware` | flag | False | Enable object-aware cropping |
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| `--crop-threshold` | float | 20.0 | Max crop area percentage threshold |
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| `--move-skipped` | flag | False | Copy skipped files to '_Skipped_' folder |
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| `--move-errored` | flag | False | Copy errored files to '_Errored_' folder |
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| `--debug` | flag | False | Enable debug output |
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## π― How It Works
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### 1. Object Detection
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The script uses Florence-2-large to detect objects matching your prompt in the image.
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### 2. Smart Cropping Logic
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- **Corner Distance Priority**: Prefers objects closer to image corners
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- **Size Consideration**: Among corner objects, prefers smaller ones
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- **Crop Direction**: Calculates crop area for all four directions (above, below, left, right)
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- **Maximum Preservation**: Chooses the direction that preserves the most pixels
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### 3. Object-Aware Mode
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When enabled, the script:
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- Detects all objects in the image
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- Calculates how many object pixels would be lost with each crop direction
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- Chooses the crop that minimizes object pixel loss
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### 4. Safety Thresholds
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- Skips images where cropping would remove more than the threshold percentage
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- Default threshold: 20% of total image area
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## π Output Structure
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```
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output_folder/
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βββ original_image_crop_above.jpg
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βββ another_image_crop_left.jpg
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βββ _Skipped_/ # (if --move-skipped enabled)
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β βββ skipped_files...
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βββ _Errored_/ # (if --move-errored enabled)
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βββ errored_files...
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```
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## π‘ Examples
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### Remove Watermarks
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```bash
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python crop.py watermarked_images/ -r -o clean_images/ --prompt "watermark"
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```
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### Remove Logos with Object Protection
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```bash
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python crop.py branded_images/ -r --object-aware --prompt "logo" --crop-threshold 10
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```
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### Process with Error Organization
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```bash
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python crop.py images/ -r --move-skipped --move-errored --debug
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```
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### High-Performance Batch Processing
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```bash
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python crop.py large_dataset/ -r --bs 4 -o processed/ --crop-threshold 25
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```
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## β οΈ Important Notes
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- **Model Requirement**: Ensure Florence-2-large model is properly installed in `./Florence-2-large/`
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- **Memory Usage**: Larger batch sizes require more GPU/CPU memory
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- **Quality**: Output images are saved as JPEG with 98% quality
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- **File Formats**: Supports PNG, JPG, JPEG, GIF, BMP input formats
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- **GPU Recommended**: CUDA-capable GPU significantly speeds up processing
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## π Troubleshooting
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### Common Issues
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1. **Model Loading Error**: Ensure Florence-2-large is in the correct directory
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2. **CUDA Out of Memory**: Reduce batch size (`--bs 1`)
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3. **No Objects Detected**: Try different prompts or check image quality
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4. **Large Crop Areas**: Adjust `--crop-threshold` value
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### Debug Mode
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Use `--debug` flag to see:
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- Detailed object detection results
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- Crop calculations
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- Processing decisions
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## π Performance Tips
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- Use GPU for faster processing
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- Increase batch size for bulk processing (if memory allows)
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- Enable `--object-aware` only when necessary (slower but more accurate)
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- Use appropriate crop thresholds to avoid processing unsuitable images
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## π€ Contributing
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Feel free to submit issues, feature requests, or pull requests to improve this tool!
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## π License
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This project uses the Florence-2-large model. Please check the model's license terms for usage restrictions.
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<div style="text-align: center">β</div>
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