LabelImg Fork with Enhancements

This repository is a fork of the popular image annotation tool, LabelImg, originally created by Tzutalin. This fork includes several improvements and bug fixes contributed by various developers. Below is a summary of the changes and enhancements made in this version:

Enhancements and Fixes

• Dark Mode: Added dark mode support using the qdarkstyle library, contributed by mrzahaki.
• Issue 825 Fix: Resolved the issue where pressing Ctrl+D with no label caused labelImg.py to crash, fixed by aeeeeeep.
• Issue 465 Fix: Fixed the issue where saving YOLO labels corrupted classes.txt, resolved by POONAM2015.
• Popup Position: Changed the position of pop-up windows, improved by lsh0902.
• PyQt4 Deprecation: Gradual removal of PyQt4 in progress.
• Polygon Vertex Logic: Improved logic for finding polygon vertices to enhance clickability.
• Auto annotate: Added the function of automatic annotation of the image using the Ultralytics module.

Build from Source (Windows)

1. Install Python, PyQt5, and lxml.

2. Open cmd and navigate to the labelImg directory.

3. Run:

   pip install -r requirements.txt

4. Run:

   pyrcc5 -o libs/resources.py resources.qrc

5. Execute the application:

   python labelImg.py

Hotkeys

Key Combination	Action
Space	Auto annotate current image
Ctrl + u	Load all images from a directory
Ctrl + r	Change the default annotation target dir
Ctrl + s	Save
Ctrl + d	Copy the current label and rect box
Ctrl + Shift + d	Delete the current image
Ctrl + Space	Flag the current image as verified
w	Create a rect box
d	Next image
a	Previous image
del	Delete the selected rect box
Ctrl++	Zoom in
Ctrl--	Zoom out
↑→↓←	Move selected rect box with keyboard arrows