RotoPaint node

sample paint

From the left toolbar, use brushes, shapes, and erasers for simple basic drawing.

paint premult

Use the cloning tool to rearrange the picture.

Separate paint out

Clear up

Replace Figure 1 with Figure 2：

1.With Rotopaint, clean up unwanted elements.

2.Create alpha of the area your cleaned and cut out the patch

3.framehold-Freeze the patch to the reference frame you cleaned the plate

There is only one frame of disappearing in the scene, which is fixed to all frames.

4. use Tracker node, Place the required number of track anchors on the features in the image, Use auto-tracking for simple tracks, or, for more accurate or difficult tracks, use keyframe tracking.

5. Regrain the patch

6.Use a process similar to the one described above. Re-clear the element.

7.Add your own elements

8.Use merge to adjust the relationship between the upper and lower levels.