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Segment-Based Batch Tracking

Prerequisites

  • Annolid v1.2.2 or later with the Segment Tracker dialog available.
  • Videos imported into the Video Manager.
  • At least one polygon annotation saved (Ctrl+S) for each segment's starting frame.

1. Import Videos

  1. Click Import Videos, browse to the folder that contains your clips, and confirm. Each video now appears as a row in the table.

2. Load a Video

  1. In the Video Manager table, press Load on the first video.
  2. The main Annolid window switches to that clip and shows the playback controls in the status bar.

3. Open the Segment Editor

  1. Choose Video Tools → Define Video Segments… or press Ctrl+Alt+S.
  2. Verify the dialog title matches the current video and review the information displayed in the "Active Video Information" pane.

4. Define a Segment

  1. Scrub to the frame that contains your saved annotation.
  2. In the dialog, press Use Annolid Frame to capture that frame number.
  3. Pick an end condition (Duration, End Time, or End Frame) and adjust the inputs.
  4. Click Add Segment. The segment appears in the list below.

5. Add More Segments (Optional)

  • Repeat step 4 for each additional range you want to track.
  • Use Edit Selected or Delete Selected if you need to revise the list.
  • When finished, click OK. Annolid writes the segments to <video>.segments.json, so they are restored the next time you load the video.

6. Move to the Next Video

  1. Back in Video Manager, press Load on the next video.
  2. Define its segments by repeating steps 3–5.
  3. Continue until every video has the segments you need.

7. Run Track All

  1. In Video Manager, click Track All.

  2. Annolid automatically

  3. closes the current video,

  4. opens the next video in the queue, and

  5. processes each saved segment in order using the Cutie tracker.

  6. For videos without saved segments, Annolid falls back to whole-video tracking.

8. Review Results

  • Each video's output folder (same name as the source video) now contains:

  • Updated JSON annotations for every tracked frame.

  • CSV exports summarising the tracking run.
  • Optional overlay videos when enabled in tracking settings.

Tips

  • If the dialog reports a missing annotation, open that frame in the main window, save the polygon (Ctrl+S), then re-open the Segment Editor.
  • Use Stop Tracking in Video Manager to halt the batch job; completed segments remain on disk.
  • Reopen the Segment Editor at any time to adjust segments—they are saved as soon as you press OK.