Şekil 17.167. Applying example of the Sobel filter

Original image

Filter “Sobel” applied

Sobel's filter detects horizontal and vertical edges separately on a scaled image. Color images are turned into RGB scaled images. As with the Laplace filter, the result is a transparent image with black lines and some rest of colors.

This filter is found in the main menu under Filters → Edge-Detect → Sobel….