How do I do edge detection of an image?

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Index:Java 2 Standard Edition (J2SE):Java 2 JDK:AWT (java.awt.*):Graphics:2-D Graphics:Image Processing:Filters and Transformations

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How do I do edge detection of an image?

Apply an edge detection filter using the class ConvolveOp.

Main.java:

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Image used:

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Author of answer: Joris Van den Bogaert

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