1
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Open the street video and identify the person you want to keep clear.

2
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Turn Auto Blur off and find a frame where the person and both hands are
visible.

3
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This example starts the selection from the 2-second frame.

4
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In Magic Blur, choose Add and click inside the coat.

5
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Check that the purple selection follows the person’s outline.

6
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Add a point on the lowered hand to refine the selection around it.

7
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Add another point on the raised hand.

8
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Use Remove on the nearby pedestrian, then choose Done.

9
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Use the + before the start point to include the earlier 2 seconds in the
tracking range.

10
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Check that the tracking range covers the full 0–10 seconds.

11
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Choose Start tracking to open the confirmation dialog.

12
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Review both directions, 250 frames, and the maximum cost of 3 credits.

13
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After reviewing the range and cost, choose Start tracking.

14
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Tracking is calculated in both directions from the 2-second reference frame.

15
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Wait for the calculation to finish before changing the effect.

16
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Set Target 1 to Original in the right panel to keep the person clear.

17
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Open Background Effect in the left Effects panel.

18
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Choose Blur for the background effect.

19
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Open Fine-tune under Background Effect.

20
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Raise the Background Blur intensity to 10.

21
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At the first frame, check the separation between the person and the
background.

22
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Play all 10 seconds and watch the fingertips and coat edges.

23
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Compare small fingertips and sleeve edges with the original before
finishing.