Compute kmeans from random subset of pixels extracted from an image

init_kmeans(
  input_rast,
  output_dir,
  input_mask = NULL,
  selected_bands = NULL,
  nb_clusters = 50,
  nb_iter = 10,
  Kmeans_info_save = NULL,
  Kmeans_info_read = NULL,
  nb_samples_alpha = 1e+05,
  algorithm = "Hartigan-Wong",
  nbCPU = 1,
  verbose = TRUE,
  progressbar = TRUE
)

Arguments

input_rast: character. Path and name of the image to be processed.
output_dir: character. Path for output directory
input_mask: character. Path and name of the mask corresponding to the image
selected_bands: numeric. bands selected from input_rast
nb_clusters: numeric. number of clusters used in kmeans
nb_iter: numeric. nb of iterations averaged to compute diversity indices
Kmeans_info_save: character. path where to save Kmeans_info
Kmeans_info_read: character. path where to read Kmeans_info
nb_samples_alpha: numeric. max number of pixels to extract for kmeans
algorithm: character. algorithm used in the kmeans clustering
nbCPU: numeric. Number of CPUs available
verbose: boolean. set true for messages
progressbar: boolean. set true for progress bar during clustering

Value

Kmeans_info