You can delete features that have been tracked. You might want to do this when moving objects or features that don’t correspond to true 3D points (such as reflections) have been tracked.
1. | In the Viewer, select the track you want to remove. You can also marquee select points and select several tracks by holding down Shift while selecting points. |
2. | Right-click on the selected track(s) and select Tracks > Delete selected. |
If you’ve already solved the camera, created a scene and removed and edited points in it, you can just click Solve Camera again, and the scene automatically updates.
TIP: Sometimes sequences generate very long tracks. Long tracks are good, as this indicates a reliable 3D point. However, if tracks are too long, the pixels that are tracked in the image can end up drifting from the underlying 3D point. When this happens, the track is rejected in the solve as the error between the 3D point and the 2D track becomes large. To stop tracks getting too long, just increase the Track Threshold value.