Grayscale
Color to Grayscale
Color to grayscale conversion, uses envelopes formed with the STRESS approach to perform local color-difference preserving grayscale generation.
Operation pads
This operation exposes the following data pads, defining how it receives, processes, and emits image data:
Input
Output
Operation properties
Radius
gint
Neighborhood taken into account, this is the radius in pixels taken into account when deciding which colors map to which gray values.
Default
Value range
Default
300Value range
2 • • 6000.Samples
gint
Number of samples to do per iteration looking for the range of colors.
Default
Value range
Default
4Value range
1 • • 1000.Iterations
gint
Number of iterations, a higher number of iterations provides less noisy results at a computational cost.
Default
Value range
Default
10Value range
1 • • 1000.Enhance Shadows
gboolean
When enabled details in shadows are boosted at the expense of noise.
Default
Default
false