Principal component analysis
From AWF-Wiki
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* Click on {{button|text=Run}} to execute the algorithm. | * Click on {{button|text=Run}} to execute the algorithm. | ||
− | [[File:pca_otb.png|400px]][[File: | + | [[File:pca_otb.png|400px]][[File:pca_result.png|400px]] |
[[category:QGIS Tutorial]] | [[category:QGIS Tutorial]] |
Revision as of 19:51, 16 November 2017
- In the search engine of the Processing Toolbox, type PCA and select DimensionalityReduction(pca) under Image Filtering of the Orfeo Toolbox.
- Under the Parameter tab, select Multispectral band file as the input layer.
- Select pca under the Algorithm tab.
- Enter 4 as the number of components.
- Specify the directory to save the output file.
- Untick output file after running algorithm (inverse output image) option.
- Click on Run to execute the algorithm.