Page 112 - Introduction to Information Optics
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2.5. Image Processing with Optics









                                                original



                                                amplitude filter




                                                phase filter



                                                combination of
                                                amplitude and
                                                phase filters














                        Fig. 2.24. Restoration by various types of filters.












                                                         (b)
                       Fig. 2.25. (a) Blurred image, (b) Deblurred image.
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