subsample.rows {imageUtilities} | R Documentation |
subsample an array, averaging every dy rows.
subsample.rows(x, dy, ...)
x |
array to subsample |
dy |
how many rows to average over |
... |
passed into |
array of the same size as x
, except number of rows
is nrow(x)/dy
.
assumes nrow(x)
is exactly divisible by dy
Other subsample: imdownsample
,
imsubsample
, subsample.cols