图 17.163. Applying example for the Laplace filter
Original image
Filter “Laplace” applied
This filter detects edges in the image using Laplacian method, which produces thin, pixel wide borders.
This filter is found in the main menu under Filters → Edge-Detect → Laplace….
图 17.164. Laplace filter options
These options are described in 第 2 节 “Common Features”.