mbchang / video-annotation

Quickly annotate videos with bounding boxes for use in training object detectors and trackers.

Video Annotation

Quickly annotate videos with bounding boxes for use in training object detectors and trackers. Keyboard commands for ease of navigation.

Paths

• Make sure video-annotation is your root folder in MATLAB, and add all subfolders to path.
• Videos go in data/videos
• Bounding boxes will be saved in data/positive_examples

Setup

Use convert_to_MAT.m to convert your video file to a matfile. Make sure to configure the correct paths

Annotation

The main file is KeyboardAnnotationSimple.m, which contains usage instructions.

Navigation Commands

• g: move forward a frame in the video
• f: move backward a frame in the video
• q: quit
• t: Track: If the current frame has a bounding box, This command will track the bounding box for the next k frames. If there is no bounding box in the current frame, then this command erases all the subsequent frames contiguous to the current one. You can change k by typing:
  • 1: changes k to 10
  • 2: changes k to 20
  • 3: changes k to 30
  • 4: changes k to 40
  • 5: changes k to 50
  • 6: changes k to 60
  • 7: changes k to 70
  • 8: changes k to 80
  • 9: changes k to 90
• a: Annotate: Clicking onto the image counts as erasing the bounding box.