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# Motion tracking

## Open tracking

Select a video layer and choose **Track Motion…**. Add a tracker, place its feature point on a high-contrast detail, then resize its inner tracking square and outer search rectangle. The search rectangle can't be smaller than the tracking square.

**Tracker settings**

| Name                | Type            | Description                                       |
| ------------------- | --------------- | ------------------------------------------------- |
| Track Size          | 10–200 px       | Template region around the feature.               |
| Search W / Search H | 20–600 px       | Region searched on the next frame.                |
| Confidence          | 0–100%          | Minimum accepted match score.                     |
| Quality             | Low/Medium/High | Low is fastest; High adds adaptive/subpixel work. |

Use track-one-frame or continuous forward/backward controls. Stop with the button or `Escape`. Progress shows frame count and ETA. Manually move a point on a frame to create an authoritative correction that re-anchors later analysis. **Smooth** applies one non-destructive smoothing pass; click repeatedly for more. **Clear Tracked Data** removes samples but keeps the tracker.

The preview supports Fit, Fit at most 100%, fixed zooms, pan, and a zoomed tracker detail. Show the selected tracker's motion path and set the ± frame window from 1–500.

## Stabilization

Once at least one tracker has analyzed frames, enable Stabilize. Choose Position, Position + Rotation, or Position + Rotation + Scale; Both, Horizontal, or Vertical translation axes; and tracker assignments. Rotation needs a second tracker distinct from Position. Scale can use a separate baseline. **Reference Frame** is the source frame the result holds still. **Strength** appears as an animatable built-in property.


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