Canon PowerShot S80 User Guide Advanced Bedienungsanleitung PDF herunterladen (Seite 82)

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Greenscreen settings

To display the green screen settings in photobooth mode first connect a camera and then select full

screen photobooth mode. Then type Ctrl+G to display the green screen settings:

Adjust the sliders so that all of the green screen background is replaced with the background image

but the foreground subject is unaffected. The easiest way to do this is to move the "Green threshold"

slider to the left until most of the background is replaced and then fine tune the settings by moving the

"Red level" and "Blue level" sliders to the right. The best settings to use will depend on the lighting

conditions and the quality of the green background. If areas of the subject show the background the

settings are too strong and should be reduced by moving the red and blue sliders to the left of the

green slider to the right.

For best results the avoid green background should be evenly lit and the subject should be positioned

to minimize shadows falling on the background.

Select the "Save copy of greenscreened photos in photo booth mode" option to save a of the photo

downloaded from the camera with the green background replaced with the background image. The

greenscreened copies are saved the "greenscreen" subfolder of the folder where the images from the

camera are saved.

Green Screen Backgrounds and Overlays

In fullscreen photobooth mode the green screen background and overlay images are loaded from the

photobooth images folder. The background image should be named greenscreen_background.jpg and

the overlay image should be named greenscreen_overlay.png. Different overlays and backgrounds

can be used for each shot by appending the shot number to the filenames e.g.

Shot 1: background filename: greenscreen_background_1.jpg, overlay filename:

greenscreen_overlay_1.png

Shot 2: background filename: greenscreen_background_2.jpg, overlay filename:

greenscreen_overlay_2.png

Shot 3: background filename: greenscreen_background_3.jpg, overlay filename:

greenscreen_overlay_3.png

Shot 4: background filename: greenscreen_background_4.jpg, overlay filename:

greenscreen_overlay_4.png

Backgrounds and overlays can also be switched by saving a number of different profiles each using a

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Canon PowerShot S80 User Guide Advanced Bedienungsanleitung Seite 82