By William K. Pratt
A newly up to date and revised variation of the vintage creation to electronic photo processing
The Fourth version of Digital photograph Processing presents an entire advent to the sector and contains new details that updates the cutting-edge. The textual content deals assurance of latest issues and contains interactive computing device reveal imaging examples and desktop programming workouts that illustrate the theoretical content material of the e-book. those routines will be carried out utilizing the Programmer's Imaging Kernel process (PIKS) software software interface integrated at the accompanying CD.
Suitable as a textbook for college kids or as a reference for practitioners, this new version offers a accomplished therapy of those very important topics:
- Characterization of continuing images
- Image sampling and quantization techniques
- Two-dimensional sign processing techniques
- Image enhancement and recovery techniques
- Image research techniques
- Software implementation of picture processing applications
In addition, the bundled CD includes:
- A Solaris working process executable model of the PIKS clinical API
- A home windows working method executable model of PIKS Scientific
- A home windows executable model of PIKSTool, a graphical person interface approach to executing the various PIKS Scientic operators with no software compilation
- A PDF dossier structure model of the PIKS medical C programmer's reference manual
- C application resource demonstration programs
- A electronic photograph database of many of the resource pictures utilized in the ebook plus many others normal within the literature
Note: CD-ROM/DVD and different supplementary fabrics aren't incorporated as a part of publication file.
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Extra info for Pratt - Digital image processing
Society of America, 54, 9, September 1964, 1152–1160. E. M. Lowry and J. J. DePalma, “Sine Wave Response of the Visual System, I. The Mach Phenomenon,” J. Optical Society of America, 51, 7, July 1961, 740–746. E. M. Lowry and J. J. DePalma, “Sine Wave Response of the Visual System, II. Sine Wave and Square Wave Contrast Sensitivity,” J. Optical Society of America, 52, 3, March 1962, 328–335. M. B. Sachs, J. Nachmias, and J. G. Robson, “Spatial Frequency Channels in Human Vision,” J. Optical Society of America, 61, 9, September 1971, 1176–1186.
In a subtractive color system, which is the basis of most color photography and color printing, a white light sequentially passes through cyan, magenta, and yellow filters to reproduce a colored light. 1. 2-1. 2-2a, is assumed to be imaged onto the surface of an ideal diffuse reflector (a surface that reflects uniformly over all directions and all wavelengths). 2-2c to e. The three primary lights are first overlapped and their intensities are adjusted until the overlapping region of the three primary lights perceptually matches the reference white in terms of brightness, hue, and saturation.
There are also important operational distinctions. The rods are more sensitive than the cones to light. At low levels of illumination, the rods provide a visual response called scotopic vision. Cones respond to higher levels of illumination; their response is called photopic vision. 2-2 illustrates the relative sensitivities of rods and cones as a function of illumination wavelength (7,8). 5 million cones and 100 million cones distributed over the retina (4). 2-3 shows the distribution of rods and cones over a horizontal line on the retina (4).