Edge Detection Example

[Brody Smith]

Hello,

I am trying to use the JFeatureLib but I am having trouble using the edgeDetector classes and can't find any examples of use.

File f = new File("someimage.jpg");

        final ColorProcessor image = new ColorProcessor(ImageIO.read(f));

        

        //Haralick descriptor = new Haralick();

        LaplaceFilter descriptor = new LaplaceFilter();

        descriptor.addPropertyChangeListener(new PropertyChangeListener(){

            @Override

            public void propertyChange(PropertyChangeEvent evt) {

                Progress progress = (Progress)evt.getNewValue();

                

                System.out.println(progress.getMessage() + " " + progress.getProgress());

                if(progress.getMessage().equals("finished")){

                    //What to do here?

                }

            }

        });

        

        descriptor.run(image);

I am not sure what to do when the image is done processing, how do I view and or interpret the results?

Thanks,

Brody Smith

[Franz Graf]

Hey Brody,

what exactly are you trying to do?

Just extracting features?
In this case: have you had a look at the examples?
https://github.com/locked-fg/JFeatureLib-Demo/blob/master/src/main/java/de/lmu/dbs/ifi/jfeaturelib/examples/HaralickDemo.java

Well if you listen for the events, you could just add
descriptor.getFeatures() to obtain the extracted values.

Does this help you?
Regards
Franz

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