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Digital Image processing Homework 4

Digital Image processing Homework 4. Jheng-Ping Lin Visual Communications Lab Department of Communication Engineering National Central University Jhongli,Taiwan December 11, 2008. Image Restoration for Image Blurring. Deblurring Filter. Restoration. Blurred Image.

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Digital Image processing Homework 4

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  1. Digital Image processing Homework 4 Jheng-Ping Lin Visual Communications Lab Department of Communication Engineering National Central University Jhongli,Taiwan December 11, 2008

  2. Image Restoration for Image Blurring Deblurring Filter Restoration Blurred Image

  3. Degradation Function (1/2)

  4. Degradation Function (1/2) K=0.01 K=0.008 K=0.005 K=0.001

  5. Image Blurringdue to Different K K=0.01 K=0.008 Original Image K=0.005 K=0.001

  6. Deblurring for Image Blurring K DFT (FFT) Blurred Image IDFT (IFFT) Restoration

  7. Problems on Implement (1/2) Close to zero Blurred Image Error Image H (u, v)

  8. Problems on Implement (2/2) K DFT (FFT) Blurred Image IDFT (IFFT) Restoration

  9. Homework Assignment • Part 1 (80%): • Image restoration for K=0.0025. • Part 2 (20%): • Image restoration for unknown K. • Blurred image download link: • http://140.115.156.251/vclab/html/DIP2008.html

  10. Deadline • Demo : • 2008/12/24,8:00~9:00 pm • Report : • 2008/12/24, 6:00 pm • Email: • 965203025@cc.ncu.edu.tw

  11. References • Rafael C. Gonzalez, Richard E. Woods, “Digital Image Processing 3rd”, pp. 346-351, August, 2008.

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