sobel-edge-detection

Finds the edges in a given image using the Sobel operator.

Demo

Download the SobelEdgeDetection.java file.
Put the java file and an input image of your choice together in a folder.
Navigate to the folder.
Run javac *.java to compile the code.
Run java SobelEdgeDetection filename where filename is the name of your input file.

For example: java SobelEdgeDetection flower.png.
Note that if no filename is given as an argument, it will use "flower.png" as a default.
Open the folder to find the output image called "sobel.png".