Contents | Home > Getting started > Keyer properties
This section describes the Keyer Properties you can adjust according to your needs.
You can access the following Properties:
| Property: | Function: |
|---|---|
| Foreground | The input Foreground green screen texture. |
| Result Texture | The Keyer resulting render texture. |
| Display | Use to visualize the intermediate results of the pipeline: • Result: Displays the resulting image with the Key applied to it.  • Core Matte: Result of the image with the Core Mask applied.  • Soft Matte: Displays the result of the image with the Soft Mask applied.  • Erode Matte: Displays the transparency from the edge of the Keyer inward.  • Blend Max: Blends the Core Mask and the Soft Mask together.  • Front: Displays the original input front image.  • Garbage Mask: Displays the applied Garbage Mask.  |
| Settings | Optionally drag and drop a Keyer profile from a saved asset to load its default settings. |
| Core Mask | Use this property for larger areas. You can choose between either the Color Distance or the Color Difference Keyer Algorithm. Adjust the rest of the parameters to suit your needs.  |
| Erode | Erode allows you to gradually increase transparency from the edge of the Keyer inward. |
| Soft Mask | Use this property for smaller or fine details. Refines and improves detailed edges. You can choose between either the Color Distance or the Color Difference Keyer Algorithm. Adjust the rest of the parameters to suit your needs.  |
| Keyer Algorithm | Switches the Keyer Segmentation algorithms between Color Distance (YUV) and the Color Difference Green Screen Keyer. |
| Color Distance | • Key Color: The color of the key representing the background. • Threshold Range: The range separating the foreground and the background. |
| Color Difference | • One scaling factor per color channel (Red, Green, and Blue). • Recommended range: 0-5. A value of 0.5 works for most cases. |
| Clip White | • Changes the white value in levels. • Recommended range: 1-0.7 |
| Clip Black | • Changes the black value in levels. • All values below this value become black. • Recommended range: 0-0.3 |
| Blend Core Mask | Blends the Core Mask. You can use the slider to increase or decrease the strength. |
| Despill Amount | Use this property to get rid of the green spill in the image: • 0 = no green spill removal. • 1 = full green spill removal. |
| Cropping | The crop option removes elements around the actor not needed in the final composition. You can crop the Mask by using the Top, Bottom, Right, and Left parameters. |
| Garbage Mask | The following parameters are available for Masking: • Enabled: Activate to use a Garbage Mask to mask out parts of your image from view. • Mask Texture: After a Garbage Mask is enabled, you can upload a Mask texture. • Polygon: After a Garbage Mask is enabled, you can draw a polygon shaped mask. • Invert: Select the Invert checkbox to reverse the masked and unmasked areas.  • Signed Distance Field: Dilate the Garbage Mask using the Signed Distance Field algorithm. • Sdf Quality: Set the quality of the Signed Distance Field algorithm from lowest to highest. • Sdf Distance: Set the distance of the dilation using the Signed Distance Field. • Threshold: Set the minimum threshold where to apply the Signed Distance Field. • Blend: Blend the edge of the Signed Distance Field from opaque to transparent. |