Images Concatenation

Concatenate a list of images of the same size into a single multi-channel one.

Detailed description

This application performs images channels concatenation. It will walk the input image list (single or multi-channel) and generates a single multi-channel image. The channel order is the one of the list.


This section describes in details the parameters available for this application. Table [1] presents a summary of these parameters and the parameters keys to be used in command-line and programming languages. Application key is ConcatenateImages .

[1]Table: Parameters table for Images Concatenation.
Parameter Key Parameter Type Parameter Description
il Input image list Input image list
out Output image Output image
ram Int Int
inxml XML input parameters file XML input parameters file
outxml XML output parameters file XML output parameters file
  • Input images list: The list of images to concatenate.
  • Output Image: The concatenated output image.
  • Available RAM (Mb): Available memory for processing (in MB).
  • Load otb application from xml file: Load otb application from xml file.
  • Save otb application to xml file: Save otb application to xml file.


To run this example in command-line, use the following:

otbcli_ConcatenateImages -il GomaAvant.png GomaApres.png -out otbConcatenateImages.tif

To run this example from Python, use the following code snippet:


# Import the otb applications package
import otbApplication

# The following line creates an instance of the ConcatenateImages application
ConcatenateImages = otbApplication.Registry.CreateApplication("ConcatenateImages")

# The following lines set all the application parameters:
ConcatenateImages.SetParameterStringList("il", ['GomaAvant.png', 'GomaApres.png'])

ConcatenateImages.SetParameterString("out", "otbConcatenateImages.tif")

# The following line execute the application


All input images must have the same size.


This application has been written by OTB-Team.

See Also

These additional resources can be useful for further information:

Rescale application, Convert