Qwen Dataset Manager

A web-based tool for managing and reviewing Qwen training datasets with image comparison features.

Features

• 📁 Folder Selection - Browse and select dataset folders
• 🖼️ Image Grid - View all images from the dataset in a responsive grid
• 🔍 Fullscreen Preview - Click any image to view in fullscreen
• 🎨 Overlay Comparison - Toggle between normal view and semi-transparent overlay to compare with Control1 images
• ⌨️ Keyboard Navigation - Navigate with arrow keys, toggle with space, delete with backspace
• 🗑️ Batch Deletion - Delete all related images (img, Control1, Control2) at once

Dataset Structure

Your dataset folder should have this structure:

DatasetFolder/
├── img/          # Source images
├── Control1/     # First control images  
└── Control2/     # Second control images

All three folders must contain images with matching filenames (e.g., image_00003_.png).

Installation

1. Install dependencies:

   pip install -r requirements.txt

2. Run the server:

   python app.py

3. Open your browser: Navigate to http://localhost:5000

Usage

1. Select a dataset folder from the dropdown menu
2. Browse images in the grid view
3. Click an image to open fullscreen preview
4. Toggle overlay to compare img with Control1 (img becomes semi-transparent)
5. Navigate using arrow keys or on-screen buttons
6. Delete mismatched sets by pressing Backspace/Delete

Keyboard Shortcuts

Key	Action
← / →	Navigate between images
Space	Toggle overlay
Backspace / Delete	Delete current image set (all 3 files)
Esc	Close preview

Technical Stack

• Backend: Python Flask
• Frontend: Vanilla JavaScript, HTML5, CSS3
• Design: Modern dark theme with glassmorphism and smooth animations

License

MIT