Method: Vips::Image#stdif

Defined in:

lib/vips8/methods.rb

#stdif(width, height, opts = {}) ⇒ Vips::Image

Statistical difference.

Parameters:

• width (Integer) —

  Window width in pixels

• height (Integer) —

  Window height in pixels

• opts (Hash) (defaults to: {}) —

  Set of options

Options Hash (opts):

• :a (Float) —

  Weight of new mean

• :s0 (Float) —

  New deviation

• :b (Float) —

  Weight of new deviation

• :m0 (Float) —

  New mean

Returns:

• (Vips::Image) —

  Output image

# File 'lib/vips8/methods.rb', line 1486