Author:	Tommaso Testa (tommypzl89@gmail.com), Salvatore Adriano Zappalà (salvozpp@yahoo.it), Salvatore Scalia (salvo.scalia88@gmail.com)
Advisor:	Prof. Sebastiano Battiato (battiato@dmi.unict.it)
History:	This plugin was implemented in July 2011
Works with:	8-bit grayscale images, RGB images
ImageJ's version:	1.44p (used to develop this plugin)
Source:	Sobel_Plugin.java
Installation:	Download Sobel_Plugin.java to the plugins folder; restart ImageJ to add the "Sobel Plugin" command to the Plugins menu.
Description:	This plugin find the edges of the image, convolving it with a sobel kernel. You can specify the direction of the borders to find and the dimension of the sobel kernel.
Usage:	Here is a brief description: 1) Click on “Sobel Plugin” from Plugins Menù; 2) Choose the direction of convolution (“Orizzontale”, “Verticale”); 3) Choose the dimension of kernel (“Apertura”); 3) Click on the “OK” button to apply the filter to the image; 4) Save the Report in a folder.
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