Java-ImageFilter简单

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  1. public BufferedImage Embrossing(BufferedImage bi)
  2. 	{
  3. 		BufferedImage buff = new BufferedImage(bi.getWidth(), bi.getHeight(), bi.getType());
  4.  
  5. 		Kernel kernel = new Kernel(3, 3, new float[] {
  6. 														-2f, 0f, 0f, 
  7. 														 0f, 1f, 0f, 
  8. 														 0f, 0f, 2f
  9. 													 });
  10.  
  11. 		ConvolveOp op = new ConvolveOp(kernel);
  12. 		op.filter(bi, buff);
  13.  
  14. 		return buff;
  15. 	}
  16.  
  17.  
  18. 	public BufferedImage Blurring(BufferedImage bi)
  19. 	{
  20. 		BufferedImage buff = new BufferedImage(bi.getWidth(), bi.getHeight(), bi.getType());
  21.  
  22. 		Kernel kernel = new Kernel(3, 3, new float[] {
  23. 														1f/9f, 1f/9f, 1f/9f, 
  24. 														1f/9f, 1f/9f, 1f/9f, 
  25. 														1f/9f, 1f/9f, 1f/9f
  26. 													 });
  27.  
  28. 		ConvolveOp op = new ConvolveOp(kernel);
  29. 		op.filter(bi, buff);
  30.  
  31. 		return buff;
  32. 	}
  33.  
  34.  
  35. 	public BufferedImage Sharpening(BufferedImage bi)
  36. 	{
  37. 		BufferedImage buff = new BufferedImage(bi.getWidth(), bi.getHeight(), bi.getType());
  38.  
  39. 		Kernel kernel = new Kernel(3, 3, new float[] {
  40. 														-1f, -1f, -1f, 
  41. 														-1f,  9f, -1f, 
  42. 														-1f, -1f, -1f
  43. 													 });
  44.  
  45. 		ConvolveOp op = new ConvolveOp(kernel);
  46. 		op.filter(bi, buff);
  47.  
  48. 		return buff;
  49. 	}

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