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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 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
Degradation Function (1/2) K=0.01 K=0.008 K=0.005 K=0.001
Image Blurringdue to Different K K=0.01 K=0.008 Original Image K=0.005 K=0.001
Deblurring for Image Blurring K DFT (FFT) Blurred Image IDFT (IFFT) Restoration
Problems on Implement (1/2) Close to zero Blurred Image Error Image H (u, v)
Problems on Implement (2/2) K DFT (FFT) Blurred Image IDFT (IFFT) Restoration
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
Deadline • Demo : • 2008/12/24,8:00~9:00 pm • Report : • 2008/12/24, 6:00 pm • Email: • 965203025@cc.ncu.edu.tw
References • Rafael C. Gonzalez, Richard E. Woods, “Digital Image Processing 3rd”, pp. 346-351, August, 2008.