By Dr. Bernd Jähne (auth.)
From the stories of the 1st edition:
"I suggest this e-book to someone heavily engaged in photograph processing. it's going to essentially stretch the horizon of a few readers and be an exceptional reference for others. this isn't simply one other photograph processing booklet; it's a booklet worthy possessing and a e-book worthy interpreting numerous instances ..." #J. digital Imaging#
This sensible guidebook makes use of the ideas and arithmetic primary to scholars of the common sciences to supply them with a operating wisdom of contemporary innovations of electronic picture processing. It takes readers from uncomplicated innovations to present study subject matters and demonstrates how electronic photo processing can be utilized for info accumulating in learn. targeted examples of functions on PC-based platforms and ready-to-use algorithms increase the textual content, as do approximately 2 hundred illustrations (16 in color). The publication additionally comprises the main fascinating fresh advances comparable to reconstruction of three-D gadgets from projections and the research of stereo photographs and picture sequences.
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Additional info for Digital Image Processing: Concepts, Algorithms, and Scientific Applications
As a second step, we perform the missing one-dimensional Fourier transform in the z direction. 29) shows that h' ( q, z) is also a Bessel function in z. This time, however, the Fourier transform is one-dimensional. 32) Interpretation of the OTF A large part of the OTF is zero. This means that spatial structures with the corresponding directions and wavelengths completely disappear. This is particularly the case for all structures in the z direction, i. , perpendicularly to the image plane. Such structures get completely lost and cannot be reconstructed without additional knowledge.
In this way, the right eye observes only the green, and the left eye only the red image. This method - called the anaglyph method - has the disadvantage that no color images can be used. However, this method needs no special hardware, can be projected, shown on any RGB monitor, or be printed out with standard printers. The stereo image shown in plate 6 is presented in this way. , 1983]. The two component images are arranged one upon the other. When viewed with a prism spectacle, which refracts the image of the right eye to the upper, and the image of the left eye to the lower image, both images fuse into a 3-D image.
It is, for example, possible to resolve points or lines which lie above each other. We can explain this in the x space as well as in the k space. The PSF blurs the points and lines, but they can still be distinguished if they are not too close to each other. Points or lines are extended objects in Fourier space, i. , a constant or a plane. Such extended objects partly coincide with the non-zero parts of the OTF and thus will not vanish entirely. 2 Image formation corresponds to the opening angle of the lens, arenot eliminated by the OTF.