cvTagging

A realtime tagging tool for videos based on OpenCV

Config File

config.ini:

• InputVideo: video source
• LabelFile: classes to label (one class per line)
• OutputDir: where(directory) to store the info of tags(filename will be <video-filename>.tag), the output format is: label-name <tab> frame-number <tab> x <tab> y <tab> width <tab> height per line.

Build

In prompt: $ cd src && make

Usage

1. In prompt: $ ./e2tagging
2. Start video playing by pressing p.
3. Press p to enter tagging mode.
4. Press [, ] to switch label classes.
5. Use mouse(lift-button) to create bounding box of the tag.
6. Press p to continue video playing.
7. The tagging infos are automatically saved.

Key Mapping

• p: toggle tagging/playing mode. In tagging mode, use mouse(left-button) to define the bounding box of the tag.
• ,, .: switch between tags which are created.
• x: delete tag which is selected.
• [, ]: switch between labels(show at top-right corner).
• z: print debug messages.
• w, a, s, d: move the bounding box up/left/down/right-ward of the selected tag.
• -, +: enlarge/shrink the bounding box of the selected tag.
• q, ESC: quit

Dependencies

OpenCV, boost libraries

TODO

• Add OpenGL support