ripa (version 2.0-1)

highpass: High pass filter for image

Description

Computes a high-pass filtered image with dimensions of the given input image. the hp pasing distance is given via radius.

Usage

highpass(img,radius)

Arguments

img

pixmap or image

radius

gives the blocking radius

Value

• an imagematrix

See Also

lowpass

Examples

data(logo)
  plot(normalize(highpass(logo)))