private ComboBoxModel createFilterList() {
DefaultComboBoxModel model = new DefaultComboBoxModel();
model.addElement(new DisplayInfo<BufferedImageOp>("- none - ", null));
model.addElement(new DisplayInfo<BufferedImageOp>(new AverageFilter()));
model.addElement(new DisplayInfo<BufferedImageOp>(new BlockFilter()));
model.addElement(new DisplayInfo<BufferedImageOp>(new BlurFilter()));
model.addElement(new DisplayInfo<BufferedImageOp>(new BorderFilter()));
model.addElement(new DisplayInfo<BufferedImageOp>(new BoxBlurFilter()));
model.addElement(new DisplayInfo<BufferedImageOp>(new BumpFilter()));
model.addElement(new DisplayInfo<BufferedImageOp>(new ChromeFilter()));
model.addElement(new DisplayInfo<BufferedImageOp>(new ContrastFilter()));