Chroma Keygreen screen removal

Milestones• The Thief of Bagdad (1940)

wins Oscar for Special Effects for Larry Butler's use of blue screen

• 1970sgreen replaces blue for chroma key

modern cameras more sensible to green

Set-up for photo shoot• matte green cloth, avoid

wrinkles• 2 lights on subjects to avoid

green light spill• 2 lights on cloth to avoid

shadows from model

Cut- outs from green screen in Photoshop• Select>Color Range• select green• tweak Fuzziness slider• use eye dropper to remove more

green• Alt-Click on layer mask icon

• Clean up mask• Refine Mask• Brush with black/white in mask for

big areas

• works best with • hard edged subjects• no green in subject

https://www.youtube.com/watch?v=wz7hbY8rYiM

Cleaning up Green Glow• try out different methods for best and quickest results

• Hue/Saturation Adj. Layer• desaturate greens, maybe yellows

greens

desaturate

Clipping Mask

Clean up Artifacts • gray outline• Select Mask

Filter>Other> Minimum ...

• jagged mask• Select Mask

Filter>Blur>Gaussian Blur

green glow in hair• Hue/Saturation• find settings to change green into hair color• invert mask, paint away fringe with black in mask

dodge and burn• non-destructive• fill layer with 50% gray• Blend mode Overlay• paint with Black and White