Scanned-display computer graphics
@article{Noll1971ScanneddisplayCG, title={Scanned-display computer graphics}, author={A. Michael Noll}, journal={Commun. ACM}, year={1971}, volume={14}, pages={143-150} }
A television-like scanned-display system has been successfully implemented on a Honeywell DDP-224 computer installation. [] Key Method The scanned image is stored in the core memory of the computer, and software scan conversion is used to convert the rectangular coordinates of a point to the appropriate word and bit in an output display array in core storage. Results thus far indicate that flicker-free displays of large amounts of data are possible with reasonably fast graphical interaction. A scanned imageā¦
36 Citations
Scan conversion algorithms for a cell organized raster display
- Computer ScienceCACM
- 1974
Two fundamentally different scan conversion algorithms which have been developed to support this display are presented and show that the noninteractive algorithms can significantly reduce display file storage requirements at little cost in execution time over that of a conventional raster display.
VISION II: a dynamic raster-scan display
- Computer Science, ArtAFIPS '81
- 1981
This paper describes a digital video display system architecture with dynamic graphics capabilities and the hardware design and implementation derives from the author's thesis work at the University of Illinois.
A cell organized raster display for line drawings
- Computer ScienceCACM
- 1974
A display is described which extends the capabilities of this organization to include general graphics, and the feasibility of such a display is shown by deriving the minimum number of patterns required in the read only memory of the character generator to synthesize an arbitrary line.
Digital video display systems and dynamic graphics
- Computer ScienceSIGGRAPH '79
- 1979
It is shown how dynamic graphics capabilities can be provided if systems adhere to one or the other of two possible architectures, and examples of such systems are presented.
Computer generation of colored planar patterns on TV-like rasters
- Computer Science, ArtProceedings of the IEEE
- 1980
Two different and complete schemes of colored pattern generation (CRPG) are given as examples and solutions are derived from using known algorithms embedded in a frame especially designed to meet the constraints.
Computer-generated spectrogram displays for on-line speech research
- Computer Science, Physics
- 1971
A program to generate and display spectrograms on a computer-controlled scanned-display television monitor is described. The program features computation of power spectra for selected time segmentsā¦
Architectures and algorithms for parallel updates of raster scan displays
- Computer Science
- 1982
The symmetric square organization which allows the access of square regions of the display is advocated which is shown to be indeed better than the scan-line organization.
Computer-Generated Spectrogram Displays n-Line Speech Research
- Computer Science, Physics
- 1971
Spectrograms suffer from intensity and spatial resolution limitations relative to conventional spectrograms, but their rapid generation and flicker-free display makes their use appropriate in a man-computer interactive environment to complement aural evaluation of digitally synthesized or processed speech signals.
An interactive system for page layout design
- ArtACM '74
- 1974
A prototype interactive page layout system is described in which textual and pictorial information can be manipulated under computer control on a scanned color display, suitable for designing both the individual advertisements and complete pages of directories or newspapers.
Computer displays optically superimposed on input devices
- Art, Computer ScienceThe Bell System Technical Journal
- 1977
A set of pushbuttons on a console may appear to have computer-generated labels temporarily inscribed on them if the button set and computed display are optically combined, for example, by means of aā¦
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