wbt_canny_edge_detection: Canny edge detection

View source: R/image_analysis_filters.R

wbt_canny_edge_detectionR Documentation

Canny edge detection

Description

This tool performs a Canny edge-detection filter on an input image.

Usage

wbt_canny_edge_detection(
  input,
  output,
  sigma = 0.5,
  low = 0.05,
  high = 0.15,
  add_back = FALSE,
  wd = NULL,
  verbose_mode = FALSE,
  compress_rasters = FALSE,
  command_only = FALSE
)

Arguments

input

Name of the input raster image file.

output

Name of the output raster image file.

sigma

Sigma value used in Gaussian filtering, default = 0.5.

low

Low threshold, default = 0.05.

high

High threshold, default = 0.15.

add_back

Add the edge cells back to the input image.

wd

Changes the working directory.

verbose_mode

Sets verbose mode. If verbose mode is FALSE, tools will not print output messages.

compress_rasters

Sets the flag used by WhiteboxTools to determine whether to use compression for output rasters.

command_only

Return command that would be executed by system() rather than running tool.

Value

Returns the tool text outputs.


whitebox documentation built on Oct. 29, 2022, 1:10 a.m.