public void process(BufferedImage input) {
setInputImage(input);
image.reshape(input.getWidth(), input.getHeight());
transform.reshape(input.getWidth(), input.getHeight());
magnitude.reshape(input.getWidth(), input.getHeight());
phase.reshape(input.getWidth(), input.getHeight());
ConvertBufferedImage.convertFrom(input, image, true);
fft.forward(image, transform);
GDiscreteFourierTransformOps.shiftZeroFrequency(transform, true);
GDiscreteFourierTransformOps.magnitude(transform, magnitude);
GDiscreteFourierTransformOps.phase(transform, phase);
// Convert it to a log scale for visibility
GPixelMath.log(magnitude, magnitude);
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
setPreferredSize(new Dimension(image.width + 50, image.height + 20));
processedImage = true;
}
});
doRefreshAll();
}
public FourierVisualizeApp(ImageDataType imageType) {
this.imageType = imageType;
image = GeneralizedImageOps.createSingleBand(imageType, 1, 1);
transform = GeneralizedImageOps.createInterleaved(imageType, 1, 1, 2);
magnitude = GeneralizedImageOps.createSingleBand(imageType, 1, 1);
phase = GeneralizedImageOps.createSingleBand(imageType, 1, 1);
fft = GDiscreteFourierTransformOps.createTransform(imageType);
setMainGUI(panel);
}
