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Manual image annotation opens image where user can select polygon areas around the objects of interest.

After selecting region of interest user presses menu button and program cuts rectangular images from selected polygons with a scanning window.

Parameters of the scanning window are set in the configuration INI file config.ini, which is in the temp directory.

The output of the application is the set of rectangular images from the polygon areas in the temp directory.

Also it saves polygon areas for the image in TXT format. You could open saved areas, modify them and cut image again.

Tested on Windows and Ubuntu for Python 3.7.

External libraries:

• Pillow to open images of various formats.
• NumPy to use matrix stride tricks.

To start Manual Image Annotation with polygons:

# Install additional packages
pip install pillow numpy
# Run it
python runme.py

Software architecture: