Method: Vips::Image#erode

Defined in:

lib/vips8/image.rb

#erode(mask) ⇒ Image

Erode with a structuring element.

The structuring element must be an array with 0 for black, 255 for white and 128 for don't care.

Parameters:

• mask (Image, Array<Real>, Array<Array<Real>>) —

  structuring element

Returns:

• (Image) —

  eroded image

# File 'lib/vips8/image.rb', line 1179

def erode(mask)
    morph mask, :erode
end