public static BufferedImage transform(BufferedImage image) {
AffineTransform transform
= new AffineTransform(1,0,0,-1,0,image.getHeight()-1);
BufferedImageOp op=new AffineTransformOp(
transform, AffineTransformOp.TYPE_BILINEAR);
BufferedImage filteredImage=new BufferedImage(
(int)(image.getWidth()),
(int)(image.getHeight()),
image.getType());
op.filter(image, filteredImage);
return filteredImage;
}
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