GBDX

ENVI® Kuan Adaptive Filter

This task applies a Kuan filter to a raster, to reduce speckle while preserving edges in radar images.

GBDX Registered Name: ENVI_KuanAdaptiveFilter
Provider: Harris Geospatial Solutions

Inputs

The following table lists all ENVI_KuanAdaptiveFilter inputs.
Mandatory (optional) settings are listed as Required = True (Required = False).

Name Required Default Valid Values Description
file_types False N/A string GBDX Option. Comma seperated list of permitted file type extensions. Use this to filter input files -- Value Type: STRING[*]
input_raster True N/A See ENVIRASTER input type Specify a raster on which to perform Kuan adaptive filtering. -- Value Type: ENVIRASTER
input_raster_format False N/A See ENVIRASTER input type Provide the format of the image, for example: landsat-8. -- Value Type: STRING
input_raster_band_grouping False N/A See ENVIRASTER input type Provide the name of the band grouping to be used in the task, ie - panchromatic. -- Value Type: STRING
input_raster_filename False N/A See ENVIRASTER input type Provide the explicit relative raster filename that ENVI will open. This overrides any file lookup in the task runner. -- Value Type: STRING
window_size False 3 string Specify a square filtering window size. -- Value Type: UINT -- Default Value: 3
looks False 1 string Specify the effective number of looks. -- Value Type: UINT -- Default Value: 1
output_raster_uri_filename False N/A string Specify a string with the fully-qualified path and filename for OUTPUT_RASTER. -- Value Type: STRING

Outputs

The following table lists all ENVI_KuanAdaptiveFilter outputs.
Mandatory (optional) settings are listed as Required = True (Required = False).

Name Required Default Valid Values Description
task_meta_data False N/A directory GBDX Option. Output location for task meta data such as execution log and output JSON
output_raster_uri True N/A directory Output for OUTPUT_RASTER. -- Value Type: ENVIURI

Output structure

The output_raster_uri file will be written to the specified S3 Customer Account Location.

Background

For additional background information on this task please refer to the Harris Geospatial ENVI documentation and
ENVI® Kuan Adaptive Filter.

Contact

If you have any questions or issues with this task, please contact gbdx-support@digitalglobe.com.

ENVI® Kuan Adaptive Filter

This task applies a Kuan filter to a raster, to reduce speckle while preserving edges in radar images.

GBDX Registered Name: ENVI_KuanAdaptiveFilter
Provider: Harris Geospatial Solutions