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ISIS Application Documentation


mar10nonoise

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Noise removal from Mariner10 images

Overview Parameters Example 1

Description

This program will remove noise from Mariner10 images. The program works by running noisefilters for high noise and then low noise repeatedly. Any data that is determined to be noise is set to null. Some noise may be left over and it is possible that good data can be picked up, however, this should be a very small precentage. Further filtering can be achieved with the noisefilter application.

Mar10nonoise is meant for uncompressed Mariner10 images only and will not be effective in removing noise from previously compressed images. See mar10restore for more on these images.

Mar10nonoise is executed in the pipeline performed by mar10clean and shouldn't be necessary to be run when processing Mariner10 images if using mar10clean.


Categories


Related Objects and Documents

Applications


History

Mackenzie Boyd2009-08-06 Original version
Mackenzie Boyd2010-08-03 Added to documentation

Parameter Groups

Files

Name Description
FROM Input file to be cleaned
TO Output cube

Option

Name Description
REMOVE Remove intermediate files
X

Files: FROM


Description

The cube to be cleaned. The cube will be ran through a series of filters to remove pepper noise.

Type cube
File Mode input
Filter *.cub
Close Window
X

Files: TO


Description

The resultant cube containing the cleaned data.

Type cube
File Mode output
Filter *.cub
Close Window
X

Option: REMOVE


Description

Option to remove or leave intermediate cube files made by the application

Type boolean
Default TRUE
Close Window

Example 1

Input Mariner10 Image to have noise removed

Description

This example shows the application in action. It removes most noise. Noise is replaced with null data. The brightness difference visible is due to a difference in stretches between the two images due to the noise in the first.

Command Line

mar10nonoise from=MVE_030.227.cub to=nonoise.cub
An example of an uncleaned Mariner10 image for input and a noise removed output cube.

GUI Screenshot

mar10nonoise Gui

Example Gui

Screenshot of GUI with parameters filled in to with a Mariner10 cube with noise as input and a noise removed cube as output.

Input Image

Input Mariner10 Image

Mariner10 image to remove noise from

Parameter Name: FROM

This is the input Mariner10 image prior to the removal of noise.

Output Image

Output Mariner10 image after running the application

Output Image

Parameter Name: TO

This is the Mariner10 image after the application has been run. The red represents null pixels which could be removed using a lowpass filter or left as is.