By Bernd Jahne
This original and well-received monograph bargains an fundamental view of photo processing - from photo acquisition to the extraction of the information of curiosity – written by way of a actual scientists for different scientists. supplementations dialogue of the final innovations is supplemented with examples from purposes on PC-based photo processing platforms and ready-to-use implementations of vital algorithms. thoroughly revised and prolonged, the main striking extensions being an in depth dialogue on random variables and fields, three-D imaging innovations and a unified method of regularized parameter estimation. entire textual content of the publication is now to be had at the accompanying CD-ROM. it really is hyperlinked in order that it may be utilized in a truly versatile manner. CD-ROM incorporates a complete set of routines to all themes lined via this publication and a runtime model of the picture processing software program heurisko. a wide selection of photos, snapshot sequences, and volumetric pictures is out there for perform workouts
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Extra resources for Digital Image Processing, 6th Revised and Extended Edition
This is already very helpful. Image processing algorithms become predictable and accurate, and in some cases optimal results are known. New mathematical methods often result in novel approaches that can solve previously intractable problems or that are much faster or more accurate than previous approaches. Often the speed up that can be gained by a fast algorithm is considerable. In some cases it can reach up to several orders of magnitude. Thus fast algorithms make many image processing techniques applicable and reduce the hardware costs considerably.
Depending on the PCI bus controller on the frame grabber and the chipset on the motherboard of the computer, sustained transfer rates between 15 and 80 MB/s have been reported. This is suﬃcient to transfer image sequences in real time to the main memory, even for color images and fast frame rate images. The second generation 64-bit, 66 MHz PCI bus quadruples the data transfer rates to a peak transfer rate of 512 MB/s. Digital cameras that transfer image data directly to the PC via standardized digital interfaces such as Firewire (IEEE 1394), Camera link, or even fast Ethernet will further simplify the image input to computers.
This is equivalent to shifting the symmetry center from the origin to the point [M/2, N/2]T . The study of symmetries is important for practical purposes. Careful consideration of symmetry allows storage space to be saved and algorithms to speed up. Such a case is real-valued images. Real-valued images can be stored in half of the space as complex-valued images. From the symmetry relation Eq. 46) we can conclude that real-valued functions exhibit a Hermitian DFT: ∗ gn = gn ∗ gmn = gmn ◦ ◦ • • ˆN−v = g ˆv∗ , g ∗ ˆM−u,N−v = g ˆuv g .