zhangfanqie / labelme

Annotation Tool for Object Segmentation.

labelme: Image Annotation Tool with Python

Labelme is a graphical image annotation tool inspired by http://labelme.csail.mit.edu.

It is written in Python and uses Qt for its graphical interface.

Dependencies

• PyQt4

Installation

On Ubuntu:

$ sudo apt-get install python-qt4 pyqt4-dev-tools

$ sudo pip install labelme

On OS X:

$ brew install qt qt4

$ pip install labelme

On macOS Sierra:

$ brew install pyqt5

$ pip install git+https://github.com/wkentaro/labelme.git@pyqt5

Usage

Annotation

Run labelme --help for detail.

$ labelme  # Open GUI
$ labelme _static/IMG_6319.jpg  # Specify file
$ labelme _static/IMG_6319.jpg -O _static/IMG_6319.json  # Close window after the save

The annotations are saved as a JSON file. The file includes the image itself.

Visualization

To view the json file quickly, you can use utility script:

$ labelme_draw_json _static/IMG_6319.json

Convert to Dataset

To convert the json to set of image and label, you can run following:

$ labelme_json_to_dataset _static/IMG_6319.json

Sample

• Original Image
• Screenshot
• Generated Json File
• Visualized Json File

Screencast