learnopencv/Building-An-Automated-Image-Annotation-Tool-PyOpenAnnotate

Building An Automated Image Annotation Tool: PyOpenAnnotate

This respository contains code for the blog post Building An Automated Image Annotation Tool: PyOpenAnnotate.

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Installation

pip install pyOpenAnnotate

How To Use pyOpenAnnotate?

Annotating images using pyOpenAnnotate is pretty simple. Use the command annotate followed by the following flags as per the requirement.

1. Annotate Images

annotate --img <images_directory_path>

2. Annotate Video

annotate --vid <path_to_video_file>

3. Global Flags

-T : View mask window.
--resume <existing-annotations-dir>: Continue from where you left off.
--skip <int(Frames)> : Frames to skip while processing a video file.

4. Mouse Controls

Click and Drag: Draw bounding boxes.
Double Click: Remove existing annotation.

Display Annotations

Visualize your annotations using the showlbls command.

showlbls --img <single_image_or_a_directory> --ann <single_annotation_text_file_or_a_directory>

Keyboard Navigation

N or D : Save and go to next image
B or A : Save and go back
C : Toggle clear screen (during annotation)
T : Toggle mask window (during annotation)
Q : Quit

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