Track a face in After Effects then brighten and pixelate

The Tracker panel is a powerful feature within After Effects that allows for the automatic tracking of many things including faces. In this example the face of a moving person is tracked and then a brighten effect followed by a pixelate effect is applied.

TIMELINE

0:00 – Introduction

  • Overview of video and plan to track, brighten and pixelate face

0:55 – Mask

1:13 – Tracker panel

3:09 – Mask options

  • Temporarily disable a mask
  • Mask Colour

3:41 – Brighten face

  • Effect > Lumetri colour
    – Exposure: 0.8
  • Compositing Options
  • Mask
    – Feather: 19px
    – Expansion: -12px

7:00 – Pixelate face

  • Effect > Mosaic
    – Horizontal Blocks: 200
    – Vertical Blocks: 100
  • Compositing Options
  • Mask
    – Feather: 30px
    – Expansion: 61px

ORIGINAL FILE

https://videos.pexels.com/videos/woman-reading-1122526 (Dhanus Samsen)

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