highpass {rimage}R Documentation

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)))

[Package rimage version 0.5-7 Index]