crop: Cropping image

In tkatsuki/dipr: Digital Image Processing with R

Description

These functions interactively crop a part of an image displayed in the plot area using the mouse pointer. cropImage crops a rectangular area specified by a set of opposite vertices. cropROI crops a polygonal area specified by any desired number of vertices.

Usage

cropImage(img)
cropROI(img)

Arguments

img	An image of imagedata class.

Value

Returns a cropped image in imagedata class.

Author(s)

Yuichiro Hourai, [e-mail]

Takeo Katsuki, [e-mail]

Examples

  violet <- readTiff(system.file("samples/violet.tif", package="biOps"))
  violetroi <- cropROI(violet)
  violetcr <- cropImage(violet)
  plot(violetroi)
  plot(violetcr)

tkatsuki/dipr documentation built on April 19, 2021, 7:18 p.m.