addnoise(6D)
addnoise - add noise to an image
As shipped in IRIX 6.5. First release of IRIX 6.5.
NAME addnoise - add noise to an image SYNOPSIS addnoise inmage outimage noiseimage mag DESCRIPTION addnoise adds noise from the noise image to the input image. The noise image tiles the input image. The magnitude of the noise is scaled by a floating point magnitude mag. It's range is [0.0 ... 1.0]. 0.0 adds no noise into outimage, while 1.0 add alot of noise. Typicaly randimg is used to create a noise pattern (histeq can also be used). SEE ALSO randimg(6D), histeq(6D)