Pencil Color Reduction
Color reduction using Pencil filters is used when you have detailed images. These filters try to identify and highlight the figures that make up the image. Depending on the filter chosen, the figures must have sufficient contrast and must not be too small.
There are three Pencil filters:
- Pencil Colors: analyzes the colors of the image and highlights the outlines according to their contrast.
- Pencil Brightness: analyzes the colors of the image and highlights the outlines according to their brightness contrast.
- Pencil Saturation: analyzes image colors and highlights outlines according to their saturation contrast.
Unlike Pencil filters, Pencil filters leave dark surfaces blank.
These filters have some parameters:
- Contrast: contrast value between the colors, brightness or saturation of adjacent points, in order to detect edges to be highlighted. A low contrast identifies more subtle variations, while a high contrast identifies more pronounced variations.