Author: Rosa Leonardi (angirosa@tiscali.it) Advisor: Prof. Sebastiano Battiato (battiato@dmi.unict.it) History: This plugin was implemented in October 2006 Works with:
8-bit grayscale images ImageJ's version: 1.33u (used to develop this plugin) Source: Bandpass_Bandreject_Filter.java Installation: Download Bandpass_Bandreject_Filter.java to the plugins folder and compile it with the "Compile and Run" command. Restart ImageJ to add the "Bandpass Bandreject Filters" command to the Plugins menu.
Description: This plugin implements some Bandreject and Bandpass Filters in the Frequency Domain. It is based on Joachim Walter's FFT Filter plugin at http://rsb.info.nih.gov/ij/plugins/fft.html.
Usage: Here is a brief description:
1) Choose a filter (Bandreject and Bandpass) using the combo box;
2) Click on the button "Show FFT of the image" in order to visualize the FFT of the image to transform;
3) Click on the button "Show filter" in order to visualize the filter to apply to the image;
4) Insert the cut frequency and the order of the filter to apply;
5) Click on the button "Preview" to view as the image would be if it was processed according to the chosen filter;
6) Click on the button "Apply" to definitively apply the current filtering to the image.
Downloads:
Rosa Leonardi, Tecniche di Image Restoration spaziali e nel dominio della frequenza | ImageJ Plugins Page | ImageJ Home Page | IPLab@CT Home Page |