Java - Brightness (See related posts)

public BufferedImage brightness(BufferedImage bi, float value)
	{
		BufferedImage buff = new BufferedImage(bi.getWidth(), bi.getHeight(), bi.getType());
		
		Kernel kernel = new Kernel(1, 1, new float[] {value});
		
		ConvolveOp op = new ConvolveOp(kernel);
		op.filter(bi, buff);
		
		return buff;
	}