RampBias

MacroModule

genre	Filters
author	MeVis Medical Solutions AG
package	MeVisLab/Standard
definition	Filters.def
see also	RampFilter, AddNoise
keywords	intensity, transformation, slope, phantom, inhomogeneity, correction, simulation, segmentation

Purpose

The module RampBias applies a multiplicative linear bias field to an image.

Usage

The module is used either to simulate or to correct lines bias fields.

Details

RampBias(Img): Img -> Img * (1 + a * (x / sizex))

Windows

Default Panel

Input Fields

inImage

name: inImage, type: Image, deprecated name: input,input,input

Output Fields

outImage

name: outImage, type: Image, deprecated name: output

Parameter Fields

Visible Fields

Slope (a)

name: slope, type: Float, default: -1

Sets the factor a for the bias field.

Direction

name: direction, type: Enum, default: PositiveX

Defines the direction or the orthogonal of x.

Values:

Title	Name
​Positive X	​PositiveX
​Negative X	​NegativeX
​Positive Y	​PositiveY
​Negative Y	​NegativeY
​Positive Z	​PositiveZ
​Negative Z	​NegativeZ