By Smeds B.
A brand new plotter for challenging replica color show of electronic machine outputs hasbeen constructed. The plotter makes use of 3 depth modulated ink jets with thecolours pink, yellow and blue, which plot the data on a regular A four paper(210 × 297 mm) fixed to a rotating drum. The ink jets are separately controlledfrom a magnetic tape unit that is loaded with a tape ready via thecomputer. the whole plotting time is eighty five seconds self sustaining of the complexityof the image t~ be plotted. the full details contents plotted in a single 85second run is bits.
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Extra resources for A 3-Colour Ink Jet Plotter for Computer Ggaphics
Explain aliasing artifacts in spectra of rotated images. 4-14 Advanced Digital Imaging Laboratory Using MATLAB® 7. What is your interpretation of test image spectra in the exercise ‘Image iterative zoom-in/zoom-out’? 8. What are signal degradations in numerical differentiation and integration and why are these degradations absent for DFT/DCT-based algorithms? 9. What conclusions regarding practical applications of different numerical differentiators and integrators can be made from comparison of their frequency responses?
Image and noise statistical characterization and diagnostics: main menu. dimensions of the rectangular window for computing local histograms are user-selected parameters. These pixel-wise deviations are displayed as images homomorphic with the selected test image along with their numerical measures: maximal mean square and maximum of maximal deviations over the entire image. One can use these numerical measures for evaluation of the variability of local histograms in different test images. Also plotted are the image global histogram and the histogram of the selected reference image fragment.
After completion of the computation of projections of the selected test image, image reconstruction by means of ﬁltered back projection is initiated. 6), (ii) projecting the differentiation result at the corresponding angle by means of column-wise replication of its pixels arranged as an image row, (iii) rotation of the obtained 2D array by the given angle and (iv) accumulating the rotated back-projected projection derivatives for the whole angle range. The entire process is visualized on the computer display.
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