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Gallery of New Features

Module Name


Module with parameter settings
Image 1
Image 2
Result of adding the images Image 1 and Image 2.

General Information

Module Type & Category

Type: CLI

Category: Base or (Filtering, Registration, etc.)

Authors, Collaborators & Contact

  • Author: Bill Lorensen
  • Contact: bill.lorensen at
  • Documentation: Harini Veeraraghavan
  • Contact: veerarag at

Module Description

Module performs pixel-wise addition of two images. The module automatically handles different resolution of the input images. The module supports input images of any data type.


Load the input volumes(images). The default setting of the parameter Interpolation Setting is 1. For input images of the same size, this setting will work correctly. In general, its best to use input images of the same size for the addition operation.

Examples, Use Cases & Tutorials

This module can be used for producing intermediate results that can then be as inputs to other modules.

Quick Tour of Features and Use

  • "Inputs/Outputs:" This module requires two input volumes(images), and the specification of an output volume(image). The module produces an output image of the same size as the first input image.
  • "Parameters:" The module uses one parameter Interpolation Order. The interpolation order sets the degree of B-spline interpolation to be performed on the second input image for re-sampling it to the same size as the first input image. The default setting is 1.



This module uses the ITK libraries.

Known bugs

Follow this link to the Slicer3 bug tracker.

Usability issues

Follow this link to the Slicer3 bug tracker. Please select the usability issue category when browsing or contributing.

Source code & documentation

Source Code:

Test Code:

More Information


This work is part of the National Alliance for Medical Image Computing (NAMIC), funded by the National Institutes of Health through the NIH Roadmap for Medical Research, Grant U54 EB005149. Information on the National Centers for Biomedical Computing can be obtained from National Centers for Biomedical Computing.