This is the Windows app named IQM-Plugin-PPI whose latest release can be downloaded as PPI_v.01.jar. It can be run online in the free hosting provider OnWorks for workstations.
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IQM-Plugin-PPI
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DESCRIPTION
This is an IQM plugin to compute the PPI index for binary digital images. This index represents the compactness of an object.
PPI is computed with the FFI index and the Lacunarity using the ToW algorithm:
PPI = FFI^(Ltw)
For FFI, please see:
https://sourceforge.net/projects/iqm-plugin-ffi/
Andronache etal. Fractal analysis for studying the evolution of forests, Chaos, Solitons & Fractals, 2016, Vol 91, 310-318.
For Tug of War Lacunarity, please see:
Reiss, Lemmerer, Hanslmeier, Ahammer Tug-of-War Lacunarity-A Novel Approach for Estimating Lacunarity. Chaos, 201611. https://doi.org/10.1063/1.4966539.
Installation instruction:
Copy newest jar file to the "Plugins" directory which should be located in the directory of your local IQM main application.
IQM: https://sourceforge.net/projects/iqm/
Authors of this plugin:
Ion Andronache, University of Bukarest, Romania
Daniel Peptenatu, University of Bukarest, Romania
Helmut Ahammer, Medical University of Graz, Austria
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This is an application that can also be fetched from https://sourceforge.net/projects/iqm-plugin-ppi/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.
