By Peter W. Hawkes (Ed.)

ISBN-10: 0120146630

ISBN-13: 9780120146635

This quantity includes overview articles masking a huge variety of issues in picture processing and research. the themes lined comprise photo research - which has united and harmonized a number of heterogeneous fabric; modern methods to the Fourier remodel; quantity theoretic transforms, that are quite appealing for discrete, finite indications; using the Wigner distribution - which encodes either spatial and spectral details, for snapshot filtering; and purposes of the concept that of data strength. those up to date surveys are meant to supply the reader with entry to the newest leads to the super lively box of photo technology.

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**Extra resources for Advances in Electronics and Electron Physics, Vol. 63**

**Sample text**

12. Figures 13d and e were taken on the second lobe of the visibility reappearance, which corresponds to points d and e in Fig. 12. 15, respectively. 52 mm. Figure 13f was taken on the third-lobe visibility at point f. 88 mm. , slid width), as plotted in Fig. 14. Again, we see that the degree of coherence decreases as d increases. Further increase in d also causes side lobes to reappear. In this figure, we also see that the degree of coherence increases as object size D decreases. Finally, Fig.

A white-light image subtraction processor: T(x),phase grating; L,, image lens; L,, collimated lens; L , and L,, achromatic transform lenses; ~ ( y )source , encoding mask; G, fanshaped diffraction grating. through the Fourier transform of Eq. (65) as Unfortunately Eq. (72) is a bipolar function which is not physically realizable. To ensure a physically realizable source encoding function, we introduce a reduced spatial coherence function with the point-pair coherence requirement (31): with N >> 1 a positive integer and w << d.

We shall now provide a result of color image deblurring obtained with this white-light image processing technique. 24. A black-and-white picture of a blurred color image. 46 FRANCIS T. S. 25. A black-and-white picture of a deblurred color image. picture of a blurred color image of a building due to linear motion of camera as an input object. From this figure we see that the white window frames, the front doors, bushes, two white beams, trees, etc. are severely smeared. Figure 25 shows a black-and-white picture of the deblurring image that we have obtained with this white-light processing technique.

### Advances in Electronics and Electron Physics, Vol. 63 by Peter W. Hawkes (Ed.)

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